/[volute]/trunk/projects/vocabularies/src/IVOAT/IVOAT.txt
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Annotation of /trunk/projects/vocabularies/src/IVOAT/IVOAT.txt

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Revision 6 - (hide annotations)
Tue Dec 4 22:22:28 2007 UTC (13 years, 1 month ago) by norman.x.gray
File MIME type: text/plain
File size: 453787 byte(s)
Add Rick Hessman's IVOAT vocabulary to the tree, as a minimally
  adjusted edit of the files in
  http://www.astro.physik.uni-goettingen.de/~hessman/rdf/IVOAT/IVOAT.tar
Improved instructions in vocabularies/README for adding a vocabulary.

1 norman.x.gray 6 ## 21-cm_line
2     21-cm_line
3     ALT
4     "21 cm line"
5     D
6     "21 centimeter line of hydrogen"
7     BT
8     radio_recombination_line
9     RT
10     H_I
11     H_I_absorption
12     H_I_cloud
13     H_I_content
14     H_I_emission
15     H_I_region
16     hydrogen
17     radio_frequency
18     ## 53_Persei_star
19     53_Persei_star
20     D
21     "53 Persei star"
22     BT
23     B_star
24     pulsating_variable_star
25     ## Abell_cluster
26     Abell_cluster
27     D
28     "Abell cluster"
29     BT
30     galaxy_cluster
31     ## aberration
32     aberration
33     D
34     "aberration of light"
35     RT
36     astrometry
37     coordinate_system
38     ## ablation
39     ablation
40     D
41     "ablation"
42     RT
43     meteorite
44     ## abnormal_spectrum
45     abnormal_spectrum
46     D
47     "abnormal spectrum"
48     BT
49     spectrum
50     RT
51     peculiar_star
52     ## absolute_magnitude
53     absolute_magnitude
54     D
55     "absolute magnitude"
56     BT
57     magnitude
58     RT
59     Hertzsprung-Russell_diagram
60     Wilson-Bappu_effect
61     distance
62     distance_modulus
63     luminosity
64     ## absolute_temperature_scale
65     absolute_temperature_scale
66     D
67     "absolute temperature scale"
68     BT
69     temperature_scale
70     NT
71     Kelvin
72     RT
73     celsius_temperature_scale
74     temperature
75     N
76     "ES: moved Kelvin from RT to NT (2007-OCT-8)"
77     ## absorption
78     absorption
79     D
80     "absorption"
81     NT
82     atmospheric_extinction
83     intergalactic_absorption
84     interstellar_absorption
85     light_absorption
86     RT
87     Rosseland_opacity
88     atmospheric_scattering
89     atmospheric_window
90     capture
91     equivalent_width
92     interstellar_gas
93     opacity
94     photodissociation
95     photoionization
96     radiation
97     radiative_equilibrium
98     reddened_star
99     reddening
100     transmission
101     N
102     "combine with other terms"
103     ## absorption_coefficient
104     absorption_coefficient
105     ALT
106     "absorptivity"
107     D
108     "absorption coefficient"
109     RT
110     Einstein_coefficient
111     atmospheric_extinction
112     intergalactic_absorption
113     interstellar_absorption
114     optical_depth
115     transparency
116     ## absorption_line
117     absorption_line
118     D
119     "absorption line"
120     BT
121     spectral_line
122     NT
123     absorption_line_system
124     RT
125     Lyman_alpha_forest
126     Voigt_profile
127     atomic_process
128     bound-free_transition
129     calcium_line
130     cyanogen_line
131     line_formation
132     line_identification
133     line_profile
134     line_ratio
135     metal_line
136     microturbulence
137     residual_intensity
138     spectrum
139     spectroscopic_analysis
140     ## absorption_line_system
141     absorption_line_system
142     D
143     "absorption line system"
144     BT
145     absorption_line
146     system
147     RT
148     quasar
149     HN
150     "ES: new (2007-OCT-8)"
151     ## absorption_spectrum
152     absorption_spectrum
153     D
154     "absorption spectrum"
155     BT
156     line_spectrum
157     spectrum
158     NT
159     atomic_spectrum
160     RT
161     Balmer_series
162     D_line
163     Fraunhofer_line
164     Raman_effect
165     bound-free_transition
166     energy_spectrum
167     ## absorption_spectroscopy
168     absorption_spectroscopy
169     D
170     "absorption spectroscopy"
171     BT
172     spectroscopy
173     ## abundance
174     abundance
175     ALT
176     "chemical abundance"
177     "element abundance"
178     "stellar abundance"
179     D
180     "abundance"
181     NT
182     cosmic_abundance
183     isotopic_abundance
184     metal_abundance
185     overabundance
186     underabundance
187     RT
188     CNO_anomaly
189     abundance_ratio
190     chemical_composition
191     chemical_element
192     chemical_evolution
193     curve_of_growth
194     element_formation
195     enrichment
196     heavy_element
197     helium-poor_star
198     helium-rich_star
199     peculiar_star
200     rare_earth
201     N
202     "may be combined with element, e.g. helium abundance"
203     ## abundance_ratio
204     abundance_ratio
205     D
206     "abundance ratio"
207     RT
208     CNO_anomaly
209     abundance
210     ## acceleration
211     acceleration
212     D
213     "acceleration"
214     BT
215     kinematics
216     RT
217     deceleration
218     gravimetry
219     orbital_element
220     orbit
221     ## accretion
222     accretion
223     D
224     "accretion"
225     RT
226     Alfven_surface
227     accretion_disk
228     binary_star
229     mass-transfer
230     particle_accretion
231     ## accretion_disk
232     accretion_disk
233     D
234     "accretion discs" UK
235     "accretion disk"
236     BT
237     disk
238     RT
239     accretion
240     black_hole
241     circumstellar_disk
242     close_binary_star
243     cooling_flow
244     dwarf_nova
245     low-mass_X-ray_binary_star
246     stellar_wind
247     superhump
248     ## achondrite
249     achondrite
250     D
251     "achondrite"
252     BT
253     chondrite
254     meteorite
255     ## acoustics
256     acoustics
257     D
258     "acoustics"
259     RT
260     acoustic_wave
261     ## acoustic_wave
262     acoustic_wave
263     ALT
264     "sound"
265     "sound wave"
266     D
267     "acoustic wave"
268     BT
269     wave
270     RT
271     acoustics
272     gravity_wave
273     sound_speed
274     wavelength
275     ## actinium
276     actinium
277     ALT
278     "Ac"
279     D
280     "actinium (atomic number 89)"
281     BT
282     fundamental_chemical_element
283     HN
284     "FVH: new (2007-OCT-25)"
285     ## active_galactic_nucleus
286     active_galactic_nucleus
287     ALT
288     "AGN"
289     D
290     "active galactic nucleus"
291     BT
292     X-ray_source
293     galactic_nucleus
294     variable_source
295     NT
296     Seyfert_nucleus
297     blazar
298     RT
299     BL_Lacertae_object
300     active_galaxy
301     compact_nucleus
302     emission_line_galaxy
303     galaxy
304     quasar
305     radio_galaxy
306     ## active_galaxy
307     active_galaxy
308     ALT
309     "eruptive galaxy"
310     D
311     "active galaxy"
312     BT
313     X-ray_source
314     galaxy
315     RT
316     X-ray_flare
317     active_galactic_nucleus
318     compact_galaxy
319     emission_line_galaxy
320     ## active_optics
321     active_optics
322     D
323     "active optics"
324     BT
325     optics
326     RT
327     adaptive_optics
328     atmospheric_refraction
329     multiple_mirror_telescope
330     seeing
331     tip-tilt_mirror
332     ## active_prominence
333     active_prominence
334     D
335     "active prominence"
336     BT
337     active_region
338     prominence
339     RT
340     Sun
341     ## active_region
342     active_region
343     D
344     "solar active region"
345     NT
346     active_prominence
347     RT
348     Sun
349     HN
350     "FVH: new (2007-OCT-29)"
351     ## active_star
352     active_star
353     D
354     "active star"
355     BT
356     star
357     NT
358     X-ray_star
359     emission_line_star
360     RT
361     X-ray_flare
362     ## active_Sun
363     active_Sun
364     D
365     "active Sun"
366     BT
367     Sun
368     RT
369     flare
370     quiet_Sun
371     solar_activity
372     solar_cycle
373     sunspot
374     ## activity_index
375     activity_index
376     D
377     "activity index"
378     RT
379     solar_activity
380     ## adaption
381     adaption
382     D
383     "adaption"
384     N
385     "combine with other terms"
386     ## adaptive_optics
387     adaptive_optics
388     D
389     "adaptive optics"
390     BT
391     optics
392     RT
393     active_optics
394     atmospheric_refraction
395     seeing
396     segmented_optics
397     ## adiabatic_process
398     adiabatic_process
399     D
400     "adiabatic process"
401     RT
402     energy-transfer
403     thermodynamics
404     ## adjustment
405     adjustment
406     D
407     "adjustment"
408     RT
409     alignment_optics
410     collimation
411     correction
412     optics
413     orientation
414     N
415     "combine with other terms"
416     ## adsorption
417     adsorption
418     D
419     "adsorption"
420     RT
421     dust_grain
422     interplanetary_grain
423     interstellar_dust
424     N
425     "combine with other terms"
426     ## A_dwarf
427     A_dwarf
428     D
429     "A dwarf star"
430     BT
431     A_star
432     dwarf
433     RT
434     A_subdwarf
435     ## aerolite
436     aerolite
437     D
438     "aerolite"
439     BT
440     meteorite
441     ## aeronomy
442     aeronomy
443     D
444     "aeronomy"
445     BT
446     scientific_field
447     RT
448     Earth_atmosphere
449     atmosphere
450     planet
451     ## Ae_star
452     Ae_star
453     D
454     "Ae star"
455     BT
456     A_star
457     Herbig_AeBe_star
458     early-type_emission_star
459     NT
460     Herbig_AeBe_star
461     RT
462     Be_star
463     ## afterglow
464     afterglow
465     D
466     "afterglow"
467     BT
468     atmospheric_radiation
469     RT
470     light_scattering
471     luminescence
472     ## age
473     age
474     D
475     "age"
476     RT
477     Hubble_time
478     cosmochronology
479     relaxation_time
480     turnoff_point
481     N
482     "combine with other terms"
483     ## A_giant
484     A_giant
485     D
486     "A giant star"
487     BT
488     A_star
489     giant
490     ## air
491     air
492     D
493     "air"
494     BT
495     gas
496     RT
497     atmosphere
498     ## air_conditioning
499     air_conditioning
500     D
501     "air conditioning"
502     RT
503     temperature_control
504     ventilation
505     ## airglow
506     airglow
507     ALT
508     "dayglow"
509     "nightglow"
510     D
511     "airglow"
512     BT
513     atmospheric_radiation
514     RT
515     Rayleigh_scattering
516     ashen_light
517     aurora
518     night_sky_brightness
519     radiative_recombination
520     sky_brightness
521     ## airplane-borne_instrument
522     airplane-borne_instrument
523     ALT
524     "airplane borne instrument"
525     D
526     "airplane-borne instrument"
527     BT
528     instrument
529     RT
530     balloon-borne_instrument
531     ground-based_astronomy
532     infrared_observatory
533     rocket-borne_instrument
534     satellite-borne_instrument
535     ## air_pollution
536     air_pollution
537     D
538     "air pollution"
539     BT
540     pollution
541     RT
542     light_pollution
543     site_protection
544     ## Airy_disk
545     Airy_disk
546     D
547     "Airy discs" UK
548     "Airy disk"
549     RT
550     diffraction
551     ## albedo
552     albedo
553     ALT
554     "spherical albedo"
555     D
556     "albedo"
557     BT
558     optical_property
559     RT
560     illumination
561     radiation
562     reflection
563     surface_property
564     ## Alfven_surface
565     Alfven_surface
566     D
567     "Alfven surface"
568     RT
569     accretion
570     neutron_star
571     ## Alfven_wave
572     Alfven_wave
573     ALT
574     "hydromagnetic wave"
575     D
576     "Alfven wave"
577     BT
578     magnetohydrodynamics
579     NT
580     coronal_wave
581     ## Algol_variable_star
582     Algol_variable_star
583     ALT
584     "beta Persei star"
585     D
586     "Algol variable star"
587     BT
588     binary_star
589     eclipsing_binary_star
590     RT
591     W_Ursae_Majoris_star
592     ## alignment_optics
593     alignment_optics
594     D
595     "alignment of optical image"
596     RT
597     adjustment
598     collimation
599     correction
600     orientation
601     ## all-sky_camera
602     all-sky_camera
603     ALT
604     "all sky camera"
605     D
606     "all-sky camera"
607     BT
608     camera
609     wide-field_telescope
610     NT
611     cloud_monitor
612     RT
613     all-sky_photography
614     wide-angle_lens
615     CN
616     "FVH: added NT CLOUD_MONITORS (2007-SEP-21)"
617     ## all-sky_photography
618     all-sky_photography
619     ALT
620     "all sky photography"
621     D
622     "all-sky photography"
623     BT
624     photography
625     RT
626     all-sky_camera
627     camera
628     wide-angle_lens
629     ## almanac
630     almanac
631     D
632     "almanac"
633     NT
634     nautical_almanac
635     RT
636     ephemeris
637     ## alpha2_Canum_Venaticorum_star
638     alpha2_Canum_Venaticorum_star
639     D
640     "alpha2 Canum Venaticorum star"
641     BT
642     eruptive_binary_star
643     magnetic_variable_star
644     RT
645     Ap_star
646     SX_Arietis_star
647     spectrum_variable_star
648     CN
649     "FVH: removed incorrect BT cataclysmic_variable_star (2007-OCT-2)"
650     ## alpha_particle
651     alpha_particle
652     D
653     "alpha particle"
654     BT
655     boson
656     composite_particle
657     nuclear_radiation
658     particle
659     RT
660     electron
661     neutron
662     proton
663     radioactivity
664     ## altazimuth_mounting
665     altazimuth_mounting
666     ALT
667     "alt-azimuth mounting"
668     "azimuth mounting"
669     D
670     "altazimuth mounting"
671     BT
672     telescope_mounting
673     RT
674     altitude_angle
675     azimuth
676     equatorial_mounting
677     horizon_coordinate_system
678     siderostat
679     vertical_circle
680     ## altimeter
681     altimeter
682     D
683     "altimeter"
684     BT
685     measuring_instrument
686     RT
687     weather_station
688     ## altimetry
689     altimetry
690     D
691     "altimetry"
692     ## altitude_angle
693     altitude_angle
694     ALT
695     "elevation angle"
696     D
697     "altitude [angle]"
698     RT
699     altazimuth_mounting
700     azimuth
701     horizon
702     horizon_coordinate_system
703     sextant
704     zenith_distance
705     N
706     "use for angle; see ALTITUDE_HEIGHT for height"
707     ## aluminizing
708     aluminizing
709     D
710     "aluminizing"
711     RT
712     aluminum_coating
713     mirror
714     vacuum_technique
715     ## aluminum
716     aluminum
717     ALT
718     "Al"
719     D
720     "aluminum (atomic number 13)"
721     BT
722     fundamental_chemical_element
723     NT
724     aluminum_coating
725     HN
726     "FVH: new (2007-OCT-25)"
727     ## aluminum_coating
728     aluminum_coating
729     D
730     "aluminium coating" UK
731     "aluminum coating"
732     BT
733     aluminum
734     coating
735     thin_film
736     RT
737     aluminizing
738     mirror
739     optical_surface
740     silver_coating
741     vacuum_technique
742     vapor_deposition
743     CN
744     "FVH: moved aluminium_coating to localized D (2007-SEP-24)"
745     ## amateur_astronomy
746     amateur_astronomy
747     D
748     "amateur astronomy"
749     BT
750     astronomy
751     RT
752     astronomer
753     astronomical_research
754     ## AM_Canum_Venaticorum_star
755     AM_Canum_Venaticorum_star
756     D
757     "AM Canum Venaticorum star"
758     BT
759     hydrogen_deficient_star
760     nova-like_variable
761     RT
762     UX_Ursae_Majoris_star
763     dwarf_nova
764     ## americium
765     americium
766     ALT
767     "Am"
768     D
769     "americium (atomic number 95)"
770     BT
771     fundamental_chemical_element
772     HN
773     "FVH: new (2007-OCT-25)"
774     ## AM_Herculis_star
775     AM_Herculis_star
776     ALT
777     "polars"
778     D
779     "AM Herculis star"
780     BT
781     cataclysmic_variable_star
782     ## ammonia
783     ammonia
784     D
785     "ammonia"
786     BT
787     interstellar_molecule
788     ## Amor_group
789     Amor_group
790     D
791     "Amor group"
792     BT
793     minor_planet_family
794     RT
795     Apollo_group
796     Trojan_group
797     ## amplifier
798     amplifier
799     D
800     "amplifier"
801     BT
802     instrument
803     NT
804     microchannel_plate
805     parametric_amplifier
806     preamplifier
807     RT
808     image_tube
809     photomultiplier_tube
810     pulse_counter
811     pulse_counting
812     ## amplitude
813     amplitude
814     D
815     "amplitude"
816     RT
817     decay_oscillation
818     magnitude
819     oscillation
820     pulsation
821     variable_star
822     vibration
823     ## Am_star
824     Am_star
825     D
826     "Am star"
827     BT
828     A_star
829     magnetic_star
830     magnetic_variable_star
831     metal-rich_star
832     NT
833     spectrum_variable_star
834     ## analog_recorder
835     analog_recorder
836     D
837     "analog recorder"
838     BT
839     data_storage
840     ## analysis
841     analysis
842     D
843     "analysis"
844     NT
845     data_analysis
846     fine_analysis
847     signal_analysis
848     signal_processing
849     RT
850     astronomical_technique
851     quantization
852     reduction_method
853     N
854     "combine with other terms"
855     ## anemometer
856     anemometer
857     D
858     "anemometer"
859     BT
860     measuring_instrument
861     RT
862     weather_station
863     wind_vane
864     HN
865     "FVH: new (2007-SEP-21)"
866     ## angular_diameter
867     angular_diameter
868     ALT
869     "apparent diameter"
870     D
871     "angular diameter"
872     BT
873     diameter
874     NT
875     isophotal_diameter
876     RT
877     interferometry
878     occultation
879     speckle_interferometry
880     ## angular_momentum
881     angular_momentum
882     D
883     "angular momentum"
884     RT
885     kinematics
886     momentum
887     rotation
888     ## angular_resolution
889     angular_resolution
890     D
891     "angular resolution"
892     BT
893     resolution
894     RT
895     angular_separation
896     beamwidth
897     optics
898     speckle_interferometry
899     ## angular_separation
900     angular_separation
901     ALT
902     "angular distance"
903     D
904     "angular separation"
905     RT
906     angular_resolution
907     optical_double_star
908     speckle_interferometry
909     ## angular_velocity
910     angular_velocity
911     D
912     "angular velocity"
913     BT
914     velocity
915     RT
916     celestial_mechanics
917     orbital_velocity
918     rotation
919     ## anisotropy
920     anisotropy
921     D
922     "anisotropy"
923     RT
924     background_radiation
925     isotropy
926     polarization_charge_separation
927     ## annual_equation
928     annual_equation
929     D
930     "annual equation"
931     RT
932     Earth-Moon_system
933     Earth_orbit
934     elliptical_orbit
935     ## annual_parallax
936     annual_parallax
937     ALT
938     "heliocentric parallax"
939     "parallax"
940     D
941     "annual parallax"
942     BT
943     parallax
944     RT
945     Astronomical_Unit
946     ## annular_eclipse
947     annular_eclipse
948     D
949     "annular eclipse"
950     BT
951     eclipse
952     RT
953     total_eclipse
954     ## anomaly
955     anomaly
956     D
957     "anomaly"
958     NT
959     CNO_anomaly
960     gravity_anomaly
961     magnetic_anomaly
962     CN
963     "FVH: generic non-orbital anomaly; old entry moved to orbital_anomaly (2007-OCT-29)"
964     ## anomalistic_month
965     anomalistic_month
966     D
967     "anomalistic month"
968     RT
969     Moon
970     orbital_anomaly
971     ## anomalistic_year
972     anomalistic_year
973     D
974     "anomalistic year"
975     BT
976     year
977     RT
978     orbital_anomaly
979     ## ansa
980     ansa
981     D
982     "ansa"
983     RT
984     lenticular_galaxy
985     planetary_nebula
986     ring
987     ## antapex
988     antapex
989     D
990     "antapex"
991     RT
992     apex
993     solar_motion
994     ## antarctic_observatory
995     antarctic_observatory
996     D
997     "antarctic observatory"
998     BT
999     observatory
1000     ## antenna_design
1001     antenna_design
1002     D
1003     "antenna design"
1004     RT
1005     polar_diagram
1006     radio_telescope
1007     ## antenna
1008     antenna
1009     ALT
1010     "aerials"
1011     "antennas"
1012     D
1013     "antenna"
1014     BT
1015     radar_equipment
1016     NT
1017     Cassegrain_antenna
1018     Mills_cross_antenna
1019     Yagi_antenna
1020     dipole_antenna
1021     directional_antenna
1022     horn_antenna
1023     lens_antenna
1024     microwave_antenna
1025     parabolic_antenna
1026     radio_antenna
1027     reflector_antenna
1028     RT
1029     array
1030     current_sheet
1031     current
1032     dish_antenna
1033     feed_horn
1034     interferometer
1035     radar
1036     radio_telescope
1037     telescope
1038     ## anthropic_principle
1039     anthropic_principle
1040     D
1041     "anthropic principle"
1042     RT
1043     cosmology
1044     life
1045     ## antimatter
1046     antimatter
1047     D
1048     "antimatter"
1049     BT
1050     matter
1051     NT
1052     antiparticle
1053     ## antimony
1054     antimony
1055     ALT
1056     "Sb"
1057     D
1058     "antimony (atomic number 51)"
1059     BT
1060     fundamental_chemical_element
1061     HN
1062     "FVH: new (2007-OCT-25)"
1063     ## antineutrino
1064     antineutrino
1065     D
1066     "antineutrino"
1067     BT
1068     antiparticle
1069     RT
1070     neutrino
1071     ## antinode
1072     antinode
1073     D
1074     "antinode"
1075     RT
1076     vibration
1077     ## antinucleon
1078     antinucleon
1079     D
1080     "antinucleon"
1081     BT
1082     antiparticle
1083     ## antiparticle
1084     antiparticle
1085     D
1086     "antiparticle"
1087     BT
1088     antimatter
1089     elementary_particle
1090     NT
1091     antineutrino
1092     antinucleon
1093     antiproton
1094     positron
1095     ## antiproton
1096     antiproton
1097     D
1098     "antiproton"
1099     BT
1100     antiparticle
1101     RT
1102     proton
1103     ## antireflection_coating
1104     antireflection_coating
1105     D
1106     "antireflection coating"
1107     BT
1108     coating
1109     optical_film
1110     thin_film
1111     RT
1112     lens
1113     optical_surface
1114     ## apastron
1115     apastron
1116     D
1117     "apastron"
1118     BT
1119     apsis
1120     RT
1121     periastron
1122     ## aperiodic_comet
1123     aperiodic_comet
1124     D
1125     "aperiodic comet"
1126     BT
1127     comet
1128     ## aperture
1129     aperture
1130     D
1131     "aperture"
1132     RT
1133     aperture_synthesis
1134     apodization
1135     optical_system
1136     ## aperture_synthesis
1137     aperture_synthesis
1138     ALT
1139     "synthetic aperture"
1140     D
1141     "aperture synthesis"
1142     RT
1143     aperture
1144     grading_function
1145     grating_ring
1146     interferometry
1147     visibility_function
1148     ## apex
1149     apex
1150     D
1151     "apex"
1152     RT
1153     antapex
1154     solar_motion
1155     ## aphelion
1156     aphelion
1157     D
1158     "aphelion"
1159     BT
1160     apsis
1161     RT
1162     Earth_orbit
1163     perihelion
1164     planet
1165     ## apocenter
1166     apocenter
1167     D
1168     "apocenter"
1169     RT
1170     binary_star
1171     ## apodization
1172     apodization
1173     ALT
1174     "apodisation UK"
1175     D
1176     "apodization"
1177     RT
1178     aperture
1179     radio_telescope
1180     ## apogee
1181     apogee
1182     D
1183     "apogee"
1184     BT
1185     apsis
1186     RT
1187     Moon
1188     perigee
1189     ## Apollo_group
1190     Apollo_group
1191     D
1192     "Apollo group"
1193     BT
1194     minor_planet_family
1195     RT
1196     Amor_group
1197     Hirayama_family
1198     Trojan_group
1199     ## apparent_intensity
1200     apparent_intensity
1201     D
1202     "apparent intensity"
1203     BT
1204     intensity
1205     ## apparent_magnitude
1206     apparent_magnitude
1207     D
1208     "apparent magnitude"
1209     BT
1210     magnitude
1211     NT
1212     B_magnitude
1213     H_magnitude
1214     I_magnitude
1215     J_magnitude
1216     K_magnitude
1217     L_magnitude
1218     M_magnitude
1219     N_magnitude
1220     O_magnitude
1221     P_magnitude
1222     Q_magnitude
1223     R_magnitude
1224     U_magnitude
1225     V_magnitude
1226     photoelectric_magnitude
1227     photographic_magnitude
1228     photovisual_magnitude
1229     RT
1230     photometric_system
1231     photometry
1232     ## apparent_position
1233     apparent_position
1234     ALT
1235     "apparent places"
1236     D
1237     "apparent position"
1238     BT
1239     position
1240     RT
1241     astrometry
1242     true_position
1243     ## apparent_superluminal_motion
1244     apparent_superluminal_motion
1245     ALT
1246     "superluminal motion"
1247     D
1248     "apparent superluminal motion"
1249     BT
1250     motion
1251     RT
1252     velocity_of_light
1253     ## apsidal_motion
1254     apsidal_motion
1255     D
1256     "apsidal motion"
1257     BT
1258     motion
1259     RT
1260     apsis
1261     orbit
1262     ## apsis
1263     apsis
1264     ALT
1265     "apse"
1266     D
1267     "apsis"
1268     BT
1269     orbital_element
1270     NT
1271     apastron
1272     aphelion
1273     apogee
1274     periastron
1275     perigee
1276     perihelion
1277     RT
1278     apsidal_motion
1279     orbit
1280     N
1281     "apse = apsis, apsides is plural"
1282     ## Ap_star
1283     Ap_star
1284     ALT
1285     "peculiar A star"
1286     D
1287     "Ap star"
1288     BT
1289     A_star
1290     peculiar_star
1291     NT
1292     holmium_star
1293     manganese_star
1294     silicon_star
1295     spectrum_variable_star
1296     RT
1297     alpha2_Canum_Venaticorum_star
1298     magnetic_star
1299     magnetic_variable_star
1300     oblique_rotator
1301     rapid_oscillation
1302     ## archaeoastronomy
1303     archaeoastronomy
1304     ALT
1305     "ancient astronomy"
1306     "astroarchaeology"
1307     D
1308     "archaeoastronomy"
1309     BT
1310     astronomy
1311     history_of_astronomy
1312     NT
1313     megalithic_astronomy
1314     RT
1315     armillary_sphere
1316     astrolabe
1317     astrology
1318     ## arc
1319     arc
1320     D
1321     "arc"
1322     NT
1323     auroral_arc
1324     luminous_arc
1325     CN
1326     "FVH: made general term (2007-OCT-1)"
1327     ## argon
1328     argon
1329     ALT
1330     "Ar"
1331     D
1332     "argon (atomic number 18)"
1333     BT
1334     fundamental_chemical_element
1335     HN
1336     "FVH: new (2007-OCT-25)"
1337     ## armillary_sphere
1338     armillary_sphere
1339     D
1340     "armillary sphere"
1341     BT
1342     instrument
1343     RT
1344     archaeoastronomy
1345     ## array_processor
1346     array_processor
1347     D
1348     "array processor"
1349     BT
1350     computer
1351     RT
1352     detector_array
1353     ## array
1354     array
1355     D
1356     "array"
1357     NT
1358     detector_array
1359     diode_array
1360     phased_array
1361     t_array
1362     telescope_array
1363     very_long_baseline_interferometer
1364     y_array
1365     RT
1366     antenna
1367     grating_response
1368     interferometer
1369     radio_interferometer
1370     radio_telescope
1371     ## arsenic
1372     arsenic
1373     ALT
1374     "As"
1375     D
1376     "arsenic (atomic number 33)"
1377     BT
1378     fundamental_chemical_element
1379     HN
1380     "FVH: new (2007-OCT-25)"
1381     ## artificial_satellite
1382     artificial_satellite
1383     D
1384     "artificial satellite"
1385     NT
1386     geostationary_satellite
1387     space_observatory
1388     RT
1389     polar_orbit
1390     satellite_laser_ranging
1391     space_astronomy
1392     space_telescope
1393     space_vehicle
1394     ## ascending_node
1395     ascending_node
1396     D
1397     "ascending node"
1398     BT
1399     node
1400     CN
1401     "FVH: moved NODES to BT (2007-OCT-1)"
1402     ## ashen_light
1403     ashen_light
1404     D
1405     "ashen light"
1406     BT
1407     atmospheric_radiation
1408     RT
1409     Venus
1410     airglow
1411     N
1412     "refers to Venus' atmosphere"
1413     ## A_star
1414     A_star
1415     D
1416     "A star"
1417     BT
1418     early-type_star
1419     NT
1420     A_dwarf
1421     A_giant
1422     A_subdwarf
1423     A_subgiant
1424     A_supergiant
1425     Ae_star
1426     Am_star
1427     Ap_star
1428     RT
1429     early-type_variable_star
1430     spectral_type
1431     ## astatine
1432     astatine
1433     ALT
1434     "At"
1435     D
1436     "astatine (atomic number 85)"
1437     BT
1438     fundamental_chemical_element
1439     HN
1440     "FVH: new (2007-OCT-25)"
1441     ## asteroid_belt
1442     asteroid_belt
1443     D
1444     "asteroid belt"
1445     RT
1446     asteroid
1447     ## asteroid_occultation
1448     asteroid_occultation
1449     D
1450     "occultation by asteroid"
1451     BT
1452     occultation
1453     RT
1454     asteroid
1455     HN
1456     "FVH: new (2007-OCT-8)"
1457     ## asteroid
1458     asteroid
1459     ALT
1460     "minor planet"
1461     "planetoid"
1462     D
1463     "asteroid"
1464     BT
1465     rotating_body
1466     NT
1467     near-Earth_asteroid
1468     RT
1469     Edgeworth-Kuiper_belt
1470     Kirkwood_gap
1471     Solar_System
1472     asteroid_belt
1473     asteroid_occultation
1474     interplanetary_matter
1475     meteor_stream
1476     meteorite
1477     meteoroid_dust_cloud
1478     meteoroid
1479     minor_planet_family
1480     planetesimal
1481     resonance_gap
1482     trans-Neptunian_object
1483     ## asteroseismology
1484     asteroseismology
1485     ALT
1486     "stellar seismology"
1487     D
1488     "asteroseismology"
1489     BT
1490     seismology
1491     NT
1492     helioseismology
1493     RT
1494     pulsating_variable_star
1495     pulsation
1496     rapid_oscillation
1497     solar_oscillation
1498     stellar_oscillation
1499     ## astigmatism
1500     astigmatism
1501     D
1502     "astigmatism"
1503     BT
1504     optical_aberration
1505     RT
1506     chromatic_aberration
1507     comatic_aberration
1508     distortion
1509     field_curvature
1510     spherical_aberration
1511     ## astrobiology
1512     astrobiology
1513     ALT
1514     "exobiology"
1515     D
1516     "astrobiology"
1517     BT
1518     astronomy
1519     biology
1520     scientific_field
1521     RT
1522     cosmochemistry
1523     extraterrestrial_life
1524     ## astrodynamics
1525     astrodynamics
1526     D
1527     "astrodynamics"
1528     RT
1529     celestial_mechanics
1530     ## astrographic_camera
1531     astrographic_camera
1532     D
1533     "astrographic camera"
1534     BT
1535     camera
1536     ## astrographic_catalog
1537     astrographic_catalog
1538     ALT
1539     "astrographic catalogues UK"
1540     D
1541     "astrographic catalog"
1542     BT
1543     catalog
1544     ## astrograph
1545     astrograph
1546     D
1547     "astrograph"
1548     BT
1549     astrometric_instrument
1550     ## astrolabe
1551     astrolabe
1552     D
1553     "astrolabe"
1554     BT
1555     astrometric_instrument
1556     instrument
1557     NT
1558     Danjon_astrolabe
1559     impersonal_astrolabe
1560     RT
1561     archaeoastronomy
1562     ## astrology
1563     astrology
1564     D
1565     "astrology"
1566     BT
1567     scientific_field
1568     RT
1569     archaeoastronomy
1570     astronomy
1571     constellation
1572     planet
1573     zodiac
1574     ## astrometric_binary_star
1575     astrometric_binary_star
1576     D
1577     "astrometric binary star"
1578     BT
1579     binary_star
1580     ## astrometric_instrument
1581     astrometric_instrument
1582     D
1583     "astrometric instrument"
1584     BT
1585     instrument
1586     NT
1587     astrograph
1588     astrolabe
1589     quadrant
1590     sextant
1591     transit_instrument
1592     RT
1593     astrometry
1594     time
1595     ## astrometry
1596     astrometry
1597     ALT
1598     "positional astronomy"
1599     D
1600     "astrometry"
1601     BT
1602     astronomical_technique
1603     astronomy
1604     observing_technique
1605     NT
1606     photographic_astrometry
1607     radio_astrometry
1608     space_astrometry
1609     RT
1610     Earth_rotation
1611     aberration
1612     apparent_position
1613     astrometric_instrument
1614     astronomical_geodesy
1615     celestial_mechanics
1616     coordinate_system
1617     equator_position
1618     fundamental_star
1619     latitude_determination
1620     meridian_circle
1621     optical_position
1622     parallax
1623     precession
1624     reference_system
1625     stellar_motion
1626     transit_instrument
1627     transit
1628     true_position
1629     ## astronomer
1630     astronomer
1631     D
1632     "astronomer"
1633     RT
1634     amateur_astronomy
1635     astronomical_research
1636     ## astronomical_constant
1637     astronomical_constant
1638     D
1639     "astronomical constant"
1640     BT
1641     constant
1642     NT
1643     Astronomical_Unit
1644     Oort_constant
1645     RT
1646     celestial_mechanics
1647     physical_constant
1648     ## astronomical_geodesy
1649     astronomical_geodesy
1650     D
1651     "astronomical geodesy"
1652     BT
1653     geodesy
1654     RT
1655     astrometry
1656     ## astronomical_optics
1657     astronomical_optics
1658     D
1659     "astronomical optics"
1660     BT
1661     optics
1662     ## astronomical_research
1663     astronomical_research
1664     D
1665     "astronomical research"
1666     NT
1667     space_research
1668     RT
1669     amateur_astronomy
1670     astronomer
1671     ## astronomical_technique
1672     astronomical_technique
1673     D
1674     "astronomical technique"
1675     NT
1676     astrometry
1677     interferometry
1678     photometry
1679     polarimetry
1680     spectrophotometry
1681     spectroscopy
1682     RT
1683     analysis
1684     observing_technique
1685     photography
1686     reduction_method
1687     N
1688     "most used in several wavelength region"
1689     ## Astronomical_Unit
1690     Astronomical_Unit
1691     ALT
1692     "A.U."
1693     "AU"
1694     D
1695     "Astronomical Unit"
1696     BT
1697     astronomical_constant
1698     RT
1699     annual_parallax
1700     distance_scale
1701     heliocentric_correction
1702     parallax
1703     parsec
1704     solar_parallax
1705     trigonometric_parallax
1706     CN
1707     "FVH: added ALT A.U. (2007-09-21)"
1708     ## astronomy
1709     astronomy
1710     D
1711     "astronomy"
1712     BT
1713     scientific_field
1714     NT
1715     amateur_astronomy
1716     archaeoastronomy
1717     astrobiology
1718     astrometry
1719     cosmic_ray_astronomy
1720     cosmogony
1721     cosmology
1722     ground-based_astronomy
1723     infrared_astronomy
1724     space_astronomy
1725     RT
1726     astrology
1727     ## astrophysics
1728     astrophysics
1729     D
1730     "astrophysics"
1731     BT
1732     scientific_field
1733     NT
1734     high-energy_astrophysics
1735     theoretical_astrophysics
1736     RT
1737     cosmology
1738     CN
1739     "FVH: moved theoretical_astrophysics to NT (2007-OCT-1)"
1740     N
1741     "combine with other terms"
1742     ## A_subdwarf
1743     A_subdwarf
1744     D
1745     "A subdwarf star"
1746     BT
1747     A_star
1748     subdwarf
1749     RT
1750     A_dwarf
1751     ## A_subgiant
1752     A_subgiant
1753     D
1754     "A subgiant star"
1755     BT
1756     A_star
1757     subgiant
1758     ## A_supergiant
1759     A_supergiant
1760     D
1761     "A supergiant star"
1762     BT
1763     A_star
1764     early-type_supergiant
1765     supergiant
1766     ## asymptotic_giant_branch
1767     asymptotic_giant_branch
1768     ALT
1769     "AGB"
1770     D
1771     "asymptotic giant branch"
1772     RT
1773     Hertzsprung-Russell_diagram
1774     late-type_giant
1775     post-asymptotic_giant_branch
1776     ## ataxite
1777     ataxite
1778     D
1779     "ataxite"
1780     BT
1781     meteorite
1782     ## atlas
1783     atlas
1784     ALT
1785     "chart"
1786     D
1787     "atlas"
1788     NT
1789     star_atlas
1790     RT
1791     catalog
1792     finding_chart
1793     map
1794     sky_survey
1795     survey
1796     ## atmosphere
1797     atmosphere
1798     D
1799     "atmosphere"
1800     NT
1801     Earth_atmosphere
1802     stellar_atmosphere
1803     RT
1804     aeronomy
1805     air
1806     boundary_layer
1807     greenhouse_effect
1808     limb_brightening
1809     limb_darkening
1810     macroturbulence
1811     microturbulence
1812     opacity
1813     planet
1814     radiation_belt
1815     refraction_angle
1816     scale_height
1817     scintillation
1818     temperature_zone
1819     water_vapor
1820     N
1821     "combine with other terms"
1822     ## atmospheric_density
1823     atmospheric_density
1824     D
1825     "atmospheric density"
1826     BT
1827     density
1828     RT
1829     scale_height
1830     ## atmospheric_extinction
1831     atmospheric_extinction
1832     ALT
1833     "extinction"
1834     D
1835     "atmospheric extinction"
1836     BT
1837     absorption
1838     scattering
1839     RT
1840     Earth_atmosphere
1841     absorption_coefficient
1842     atmospheric_window
1843     light_absorption
1844     light_scattering
1845     ultraviolet_extinction
1846     N
1847     "refers to Earth atmosphere"
1848     ## atmospheric_radiation
1849     atmospheric_radiation
1850     ALT
1851     "sky radiation"
1852     D
1853     "atmospheric radiation"
1854     NT
1855     afterglow
1856     airglow
1857     ashen_light
1858     aurora
1859     terrestrial_radiation
1860     RT
1861     sky_brightness
1862     N
1863     "ES: moved terrestrial_radiation from BT to NT (2007-OCT-8)"
1864     ## atmospheric_refraction
1865     atmospheric_refraction
1866     D
1867     "atmospheric refraction"
1868     RT
1869     active_optics
1870     adaptive_optics
1871     atmospheric_scintillation
1872     point_spread_function
1873     refractive_index
1874     scintillation
1875     seeing
1876     speckle
1877     ## atmospheric_scattering
1878     atmospheric_scattering
1879     D
1880     "atmospheric scattering"
1881     RT
1882     Earth_atmosphere
1883     absorption
1884     ## atmospheric_scintillation
1885     atmospheric_scintillation
1886     ALT
1887     "twinkling"
1888     D
1889     "atmospheric scintillation"
1890     BT
1891     scintillation
1892     RT
1893     Earth_atmosphere
1894     atmospheric_refraction
1895     seeing
1896     ## atmospheric_tide
1897     atmospheric_tide
1898     D
1899     "atmospheric tide"
1900     BT
1901     tide
1902     ## atmospheric_window
1903     atmospheric_window
1904     D
1905     "atmospheric window"
1906     BT
1907     window
1908     NT
1909     infrared_transmission_window
1910     optical_transmission_window
1911     radio_transmission_window
1912     RT
1913     Earth_atmosphere
1914     absorption
1915     atmospheric_extinction
1916     transparency
1917     N
1918     "spectral ranges transmitted by the Earth's atmosphere"
1919     ## atomic_clock
1920     atomic_clock
1921     ALT
1922     "caesium clock"
1923     "cesium clock"
1924     D
1925     "atomic clock"
1926     BT
1927     clock
1928     measuring_instrument
1929     RT
1930     atomic_time
1931     geodesy
1932     time
1933     time_standard
1934     time_synchronization
1935     very_long_baseline_interferometry
1936     ## atomic_line
1937     atomic_line
1938     D
1939     "atomic line"
1940     RT
1941     atomic_spectrum
1942     ## atomic_physics
1943     atomic_physics
1944     D
1945     "atomic physics"
1946     BT
1947     scientific_field
1948     ## atomic_process
1949     atomic_process
1950     D
1951     "atomic process"
1952     RT
1953     absorption_line
1954     emission_line
1955     equation_of_state
1956     excitation
1957     population_inversion
1958     ## atomic_spectrum
1959     atomic_spectrum
1960     D
1961     "atomic spectrum"
1962     BT
1963     absorption_spectrum
1964     spectrum
1965     RT
1966     atomic_line
1967     ## atomic_time
1968     atomic_time
1969     D
1970     "atomic time"
1971     RT
1972     atomic_clock
1973     ## atom
1974     atom
1975     D
1976     "atom"
1977     BT
1978     matter
1979     NT
1980     fundamental_chemical_element
1981     RT
1982     chemical_element
1983     ## attenuation
1984     attenuation
1985     D
1986     "attenuation"
1987     RT
1988     filter
1989     neutral_density_filter
1990     ## auroral_arc
1991     auroral_arc
1992     D
1993     "auroral arc"
1994     BT
1995     arc
1996     aurora
1997     ## auroral_jet
1998     auroral_jet
1999     D
2000     "auroral jet"
2001     BT
2002     aurora
2003     ## aurora
2004     aurora
2005     D
2006     "aurora"
2007     BT
2008     atmospheric_radiation
2009     NT
2010     auroral_arc
2011     auroral_jet
2012     RT
2013     Rayleigh
2014     airglow
2015     light_emission
2016     magnetic_disturbances
2017     magnetic_pole
2018     magnetic_storm
2019     night_sky_brightness
2020     photoionization
2021     sky_brightness
2022     solar_activity
2023     upper_atmosphere
2024     ## australite
2025     australite
2026     D
2027     "australite"
2028     BT
2029     meteorite
2030     tektite
2031     RT
2032     bediasite
2033     chondrite
2034     moldavite
2035     ## auto-correlation
2036     auto-correlation
2037     ALT
2038     "autocorrelation"
2039     D
2040     "auto-correlation"
2041     BT
2042     correlation
2043     RT
2044     cross-correlation
2045     data_processing
2046     HN
2047     "FVH: new (2007-NOV-1)"
2048     ## autoguider
2049     autoguider
2050     D
2051     "autoguider"
2052     BT
2053     control_system
2054     guide_system
2055     RT
2056     automatic_patrol_telescope
2057     quadrant_detector
2058     tracking
2059     ## automated_telescope
2060     automated_telescope
2061     ALT
2062     "robotic telescope"
2063     D
2064     "automated telescope"
2065     BT
2066     telescope
2067     NT
2068     automatic_patrol_telescope
2069     RT
2070     remote_control_system
2071     ## automatic_patrol_telescope
2072     automatic_patrol_telescope
2073     D
2074     "automatic patrol telescope"
2075     BT
2076     automated_telescope
2077     optical_telescope
2078     RT
2079     autoguider
2080     photometry
2081     remote_control_system
2082     ## autumnal_equinox
2083     autumnal_equinox
2084     D
2085     "autumnal equinox"
2086     BT
2087     equinox
2088     RT
2089     vernal_equinox
2090     ## auxiliary_instrument
2091     auxiliary_instrument
2092     D
2093     "auxiliary instrument"
2094     BT
2095     instrument
2096     ## avalanche_photodiode
2097     avalanche_photodiode
2098     D
2099     "avalanche photodiode"
2100     BT
2101     photodiode
2102     photoelectronic_device
2103     RT
2104     photometry
2105     ## axial_ratio
2106     axial_ratio
2107     D
2108     "axial ratio"
2109     BT
2110     ratio
2111     RT
2112     axis
2113     major_axis
2114     minor_axis
2115     HN
2116     "ES: new (2007-OCT-11)"
2117     ## axion
2118     axion
2119     D
2120     "axion"
2121     BT
2122     elementary_particle
2123     ## axis
2124     axis
2125     D
2126     "axis"
2127     RT
2128     axial_ratio
2129     N
2130     "combine with other terms"
2131     ## azimuth
2132     azimuth
2133     ALT
2134     "bearing"
2135     D
2136     "azimuth"
2137     RT
2138     altazimuth_mounting
2139     altitude_angle
2140     horizon
2141     horizon_coordinate_system
2142     ## Baade-Wesselink_method
2143     Baade-Wesselink_method
2144     D
2145     "Baade-Wesselink method"
2146     RT
2147     Cepheid
2148     diameter
2149     ## background
2150     background
2151     D
2152     "background"
2153     N
2154     "combine with other terms"
2155     ## background_noise
2156     background_noise
2157     D
2158     "background noise"
2159     BT
2160     noise
2161     RT
2162     cosmic_noise
2163     signal-to-noise_ratio
2164     sky_noise
2165     ## background_radiation
2166     background_radiation
2167     ALT
2168     "radiation background"
2169     D
2170     "background radiation"
2171     BT
2172     radiation
2173     NT
2174     X-ray_background
2175     cosmic_background_radiation
2176     cosmic_ray
2177     gamma-ray_background
2178     microwave_background
2179     radio_background
2180     ultraviolet_background
2181     RT
2182     Sunyaev-Zeldovich_effect
2183     anisotropy
2184     cosmic_noise
2185     sky_brightness
2186     ## Bailey_type
2187     Bailey_type
2188     ALT
2189     "AB variable star"
2190     D
2191     "Bailey type"
2192     BT
2193     RR_Lyrae_star
2194     ## bailys_bead
2195     bailys_bead
2196     D
2197     "Baily's bead"
2198     RT
2199     Sun
2200     diamond_ring_effect
2201     solar_eclipse
2202     ## Baker-Nunn_camera
2203     Baker-Nunn_camera
2204     D
2205     "Baker-Nunn camera"
2206     BT
2207     catadioptric_system
2208     meteor_camera
2209     reflecting_telescope
2210     wide-field_telescope
2211     RT
2212     Bouwers_telescope
2213     Schmidt_telescope
2214     ## balloon-borne_instrument
2215     balloon-borne_instrument
2216     ALT
2217     "balloon borne instrument"
2218     D
2219     "balloon-borne instrument"
2220     RT
2221     X-ray_astronomy
2222     airplane-borne_instrument
2223     cosmic_ray_astronomy
2224     gamma-ray_astronomy
2225     ground-based_astronomy
2226     rocket-borne_instrument
2227     satellite-borne_instrument
2228     space_probe_instrument
2229     space_telescope
2230     ultraviolet_astronomy
2231     ## Balmer_continuum
2232     Balmer_continuum
2233     D
2234     "Balmer continuum"
2235     BT
2236     hydrogen_spectrum
2237     RT
2238     Balmer_series
2239     ## Balmer_limit
2240     Balmer_limit
2241     D
2242     "Balmer limit"
2243     BT
2244     Balmer_series
2245     ## Balmer_series
2246     Balmer_series
2247     ALT
2248     "Balmer line"
2249     D
2250     "Balmer series"
2251     BT
2252     hydrogen_spectrum
2253     NT
2254     H_alpha
2255     H_beta
2256     H_delta
2257     H_epsilon
2258     H_gamma
2259     Balmer_limit
2260     RT
2261     absorption_spectrum
2262     Balmer_continuum
2263     Brackett_series
2264     Lyman_series
2265     Paschen_series
2266     Pfund_series
2267     ## barium
2268     barium
2269     ALT
2270     "Ba"
2271     D
2272     "barium (atomic number 56)"
2273     BT
2274     fundamental_chemical_element
2275     RT
2276     barium_star
2277     HN
2278     "FVH: new (2007-OCT-25)"
2279     ## barium_star
2280     barium_star
2281     ALT
2282     "Ba II star"
2283     D
2284     "barium star"
2285     BT
2286     star
2287     NT
2288     semi-barium_star
2289     RT
2290     S_star
2291     barium
2292     heavy_metal_star
2293     ## barometer
2294     barometer
2295     D
2296     "barometer"
2297     BT
2298     measuring_instrument
2299     RT
2300     pressure
2301     weather_station
2302     HN
2303     "FVH: new (2007-SEP-21)"
2304     ## barred_spiral_galaxy
2305     barred_spiral_galaxy
2306     D
2307     "barred spiral galaxy"
2308     BT
2309     galaxy
2310     spiral_galaxy
2311     NT
2312     B_galaxy
2313     ## baryonic_Dark_Matter
2314     baryonic_Dark_Matter
2315     D
2316     "baryonic Dark Matter"
2317     BT
2318     Dark_Matter
2319     RT
2320     cold_Dark_Matter
2321     ## baryon
2322     baryon
2323     D
2324     "baryon"
2325     BT
2326     elementary_particle
2327     RT
2328     Omega_baryon
2329     quark
2330     ## basin
2331     basin
2332     D
2333     "basin"
2334     RT
2335     crater
2336     ## B_band
2337     B_band
2338     D
2339     "B band"
2340     BT
2341     Fraunhofer_line
2342     molecular_band
2343     RT
2344     molecular_spectrum
2345     ## B_dwarf
2346     B_dwarf
2347     D
2348     "B dwarf star"
2349     BT
2350     B_star
2351     dwarf
2352     NT
2353     gamma_Cassiopeiae_star
2354     ## beam_switching
2355     beam_switching
2356     D
2357     "beam switching"
2358     RT
2359     radio_telescope
2360     ## beam_waveguide
2361     beam_waveguide
2362     D
2363     "beam waveguide"
2364     RT
2365     collimator
2366     ## beamwidth
2367     beamwidth
2368     D
2369     "beamwidth"
2370     RT
2371     angular_resolution
2372     polar_diagram
2373     radio_telescope
2374     ## bediasite
2375     bediasite
2376     D
2377     "bediasite"
2378     BT
2379     meteorite
2380     tektite
2381     RT
2382     australite
2383     chondrite
2384     moldavite
2385     ## berkelium
2386     berkelium
2387     ALT
2388     "Bk"
2389     D
2390     "berkelium (atomic number 97)"
2391     BT
2392     fundamental_chemical_element
2393     HN
2394     "FVH: new (2007-OCT-25)"
2395     ## beryllium
2396     beryllium
2397     ALT
2398     "Be"
2399     D
2400     "beryllium (atomic number 4)"
2401     BT
2402     fundamental_chemical_element
2403     HN
2404     "FVH: new (2007-OCT-25)"
2405     ## Besselian_epoch
2406     Besselian_epoch
2407     D
2408     "Besselian epoch"
2409     BT
2410     epoch
2411     standard_epoch
2412     RT
2413     Julian_epoch
2414     time
2415     ## Bessel_photometry
2416     Bessel_photometry
2417     ALT
2418     "Bessel UBVRI photometry"
2419     D
2420     "Bessel photometry"
2421     BT
2422     broad_band_photometry
2423     photometric_system
2424     RT
2425     BV_photometry
2426     B_magnitude
2427     I_magnitude
2428     Johnson_photometry
2429     R_magnitude
2430     U_magnitude
2431     V_magnitude
2432     HN
2433     "FVH: new (2007-SEP-21)"
2434     ## Be_star
2435     Be_star
2436     ALT
2437     "Be dwarf star"
2438     D
2439     "Be star"
2440     BT
2441     B_star
2442     Herbig_AeBe_star
2443     early-type_emission_star
2444     NT
2445     Herbig_AeBe_star
2446     lambda_eridani_star
2447     RT
2448     Ae_star
2449     circumstellar_shell
2450     CN
2451     "FVH: moved Be_dwarf to ALT and U Herbig_star to BT HERBIG_AeBe_STARS (2007-OCT-1)"
2452     ## beta_Cephei_star
2453     beta_Cephei_star
2454     ALT
2455     "beta Canis Majoris star"
2456     D
2457     "beta Cephei star"
2458     BT
2459     early-type_variable_star
2460     multi-periodic_variable_star
2461     pulsating_variable_star
2462     short_period_variable_star
2463     RT
2464     non-radial_pulsation
2465     radial_pulsation
2466     ## beta_Lyrae_star
2467     beta_Lyrae_star
2468     D
2469     "beta Lyrae star"
2470     BT
2471     close_binary_star
2472     contact_binary_star
2473     eclipsing_binary_star
2474     ellipsoidal_variable_star
2475     ## B_galaxy
2476     B_galaxy
2477     D
2478     "barred galaxy (Yerkes classification scheme)"
2479     BT
2480     barred_spiral_galaxy
2481     RT
2482     Yerkes_classification
2483     HN
2484     "FVH+AG: new (2007-OCT-26)"
2485     ## B_giant
2486     B_giant
2487     D
2488     "B giant star"
2489     BT
2490     B_star
2491     giant
2492     ## Bianchi_cosmology
2493     Bianchi_cosmology
2494     D
2495     "Bianchi cosmology"
2496     BT
2497     cosmology
2498     ## bias_calibration
2499     bias_calibration
2500     D
2501     "bias calibration"
2502     BT
2503     calibration
2504     RT
2505     CCD_detector
2506     HN
2507     "FVH: new (2007-OCT-3)"
2508     ## Big_Bang_theory
2509     Big_Bang_theory
2510     D
2511     "Big Bang theory"
2512     BT
2513     cosmology
2514     RT
2515     Friedmann_universe
2516     Hubble_radius
2517     Hubble_time
2518     Lemaitre_universe
2519     closed_universe
2520     early_universe
2521     hadron_barrier
2522     open_universe
2523     primordial_fireball
2524     relativistic_velocity
2525     steady-state_theory
2526     ## binary_pulsar
2527     binary_pulsar
2528     D
2529     "binary pulsar"
2530     BT
2531     pulsar
2532     ## binary_star
2533     binary_star
2534     ALT
2535     "binaries"
2536     "double star"
2537     D
2538     "binary star"
2539     BT
2540     binary_system
2541     star
2542     NT
2543     Algol_variable_star
2544     RS_Canum_Venaticorum_star
2545     astrometric_binary_star
2546     close_binary_star
2547     contact_binary_star
2548     detached_binary_star
2549     eclipsing_binary_star
2550     ellipsoidal_variable_star
2551     eruptive_binary_star
2552     interacting_binary_star
2553     semi-detached_binary_star
2554     spectroscopic_binary_star
2555     visual_binary_star
2556     wide_binary_star
2557     RT
2558     accretion
2559     apocenter
2560     center_of_mass
2561     companion_star
2562     dynamical_parallax
2563     inclination
2564     mass-loss
2565     mass-ratio
2566     multiple_star
2567     occultation
2568     orbit_determination
2569     orbit
2570     period
2571     period_change
2572     period_determination
2573     phase_wave
2574     position_angle
2575     runaway_star
2576     semimajor_axis
2577     separation
2578     two-body_problem
2579     von_Zeipel_theorem
2580     N
2581     "only the broad classes are shown below; specific type will be found under these, or from the hierarchical list"
2582     ## binary_system
2583     binary_system
2584     D
2585     "binary system"
2586     NT
2587     binary_star
2588     double_galaxy
2589     ## biology
2590     biology
2591     D
2592     "biology"
2593     BT
2594     scientific_field
2595     NT
2596     astrobiology
2597     space_biology
2598     ## bipolar_galaxy
2599     bipolar_galaxy
2600     D
2601     "bipolar galaxy"
2602     BT
2603     galaxy
2604     ## bipolar_group
2605     bipolar_group
2606     D
2607     "bipolar group"
2608     BT
2609     sunspot_group
2610     RT
2611     sunspot
2612     ## bipolar_nebula
2613     bipolar_nebula
2614     D
2615     "bipolar nebula"
2616     BT
2617     nebula
2618     RT
2619     bipolar_outflow
2620     ## bipolar_outflow
2621     bipolar_outflow
2622     ALT
2623     "bipolar flow"
2624     D
2625     "bipolar outflow"
2626     BT
2627     mass-loss
2628     RT
2629     bipolar_nebula
2630     circumstellar_matter
2631     radio_source
2632     radio_structure
2633     ## birth_rate
2634     birth_rate
2635     D
2636     "birth rate"
2637     RT
2638     mass_function
2639     protostar
2640     star_formation
2641     stellar_evolution
2642     ## bismuth
2643     bismuth
2644     ALT
2645     "Bi"
2646     D
2647     "bismuth (atomic number 83)"
2648     BT
2649     fundamental_chemical_element
2650     HN
2651     "FVH: new (2007-OCT-25)"
2652     ## black_body_radiation
2653     black_body_radiation
2654     ALT
2655     "thermal black body radiation"
2656     D
2657     "black body radiation"
2658     BT
2659     electromagnetic_radiation
2660     RT
2661     brightness_temperature
2662     emissivity
2663     thermal_radiation
2664     ultraviolet_radiation
2665     ## black_dwarf
2666     black_dwarf
2667     D
2668     "black dwarf star"
2669     BT
2670     dwarf
2671     low-mass_star
2672     stellar_object
2673     RT
2674     white_dwarf
2675     ## black_hole
2676     black_hole
2677     D
2678     "black hole"
2679     BT
2680     collapsed_star
2681     compact_object
2682     degenerate_matter
2683     relativistic_star
2684     NT
2685     Kerr_black_hole
2686     stellar_black_hole
2687     RT
2688     Hawking_radiation
2689     Kruskal_diagram
2690     Penrose_process
2691     Schwarzschild_radius
2692     X-ray_binary_star
2693     accretion_disk
2694     ergosphere
2695     event_horizon
2696     galactic_nucleus
2697     gravitational_collapse
2698     gravitational_lensing
2699     massive_object
2700     naked_singularity
2701     relativistic_astrophysics
2702     space-time_singularity
2703     supernova_remnant
2704     white_hole
2705     ## blank_field
2706     blank_field
2707     D
2708     "blank field"
2709     RT
2710     galaxy_void
2711     ## blazar
2712     blazar
2713     D
2714     "blazar"
2715     BT
2716     active_galactic_nucleus
2717     RT
2718     BL_Lacertae_object
2719     quasar
2720     ## Blazhko_effect
2721     Blazhko_effect
2722     D
2723     "Blazhko effect"
2724     RT
2725     RR_Lyrae_star
2726     ## BL_Herculis_star
2727     BL_Herculis_star
2728     D
2729     "BL Herculis star"
2730     BT
2731     W_Virginis_star
2732     pulsating_variable_star
2733     RT
2734     Cepheid
2735     RR_Lyrae_star
2736     radial_pulsation
2737     ## blink_comparator
2738     blink_comparator
2739     D
2740     "blink comparator"
2741     BT
2742     instrument
2743     ## blinking
2744     blinking
2745     D
2746     "blinking"
2747     N
2748     "combine with other terms"
2749     ## BL_Lacertae_object
2750     BL_Lacertae_object
2751     ALT
2752     "BL Lac object"
2753     D
2754     "BL Lacertae object"
2755     BT
2756     compact_object
2757     extragalactic_radio_source
2758     galaxy
2759     variable_source
2760     RT
2761     Seyfert_galaxy
2762     active_galactic_nucleus
2763     blazar
2764     compact_galaxy
2765     quasar
2766     ## blue_galaxy
2767     blue_galaxy
2768     D
2769     "blue galaxy"
2770     BT
2771     blue_object
2772     galaxy
2773     ## blue_loop
2774     blue_loop
2775     D
2776     "blue loop"
2777     BT
2778     giant_branch
2779     HN
2780     "ES: new (2007-OCT-8)"
2781     ## blue_object
2782     blue_object
2783     D
2784     "blue object"
2785     NT
2786     blue_galaxy
2787     ## blueshift
2788     blueshift
2789     ALT
2790     "blue shift"
2791     "blue-shift"
2792     D
2793     "blueshift"
2794     BT
2795     Doppler_effect
2796     line_shift
2797     RT
2798     frequency_shift
2799     ## blue_straggler_star
2800     blue_straggler_star
2801     D
2802     "blue straggler star"
2803     BT
2804     main_sequence_star
2805     young_star
2806     RT
2807     open_star_cluster
2808     ## B_magnitude
2809     B_magnitude
2810     D
2811     "B magnitude"
2812     BT
2813     apparent_magnitude
2814     RT
2815     Bessel_photometry
2816     Johnson_photometry
2817     ## Bodes_law
2818     Bodes_law
2819     ALT
2820     "Titius-Bode law"
2821     D
2822     "Bode's law"
2823     RT
2824     Solar_System
2825     distance
2826     planet
2827     ## bohrium
2828     bohrium
2829     ALT
2830     "Bh"
2831     D
2832     "bohrium (atomic number 107)"
2833     BT
2834     fundamental_chemical_element
2835     HN
2836     "FVH: new (2007-OCT-25)"
2837     ## Bok_globule
2838     Bok_globule
2839     D
2840     "Bok globule"
2841     BT
2842     dark_nebula
2843     globule
2844     interstellar_matter
2845     RT
2846     H_II_region
2847     cometary_globule
2848     protostar
2849     star_formation
2850     ## bolide
2851     bolide
2852     D
2853     "bolide"
2854     BT
2855     meteor
2856     RT
2857     fireball
2858     ## bolometer
2859     bolometer
2860     D
2861     "bolometer"
2862     BT
2863     instrument
2864     RT
2865     bolometric_correction
2866     photometer
2867     radiation
2868     radiometer
2869     ## bolometric_correction
2870     bolometric_correction
2871     D
2872     "bolometric correction"
2873     RT
2874     bolometer
2875     ## boron
2876     boron
2877     ALT
2878     "B"
2879     D
2880     "boron (atomic number 5)"
2881     BT
2882     fundamental_chemical_element
2883     HN
2884     "FVH: new (2007-OCT-25)"
2885     ## Bose-Einstein_nucleus
2886     Bose-Einstein_nucleus
2887     D
2888     "Bose-Einstein nucleus"
2889     BT
2890     nucleus_atom
2891     RT
2892     Bose-Einstein_statistics
2893     Fermi-Dirac_nucleus
2894     ## Bose-Einstein_statistics
2895     Bose-Einstein_statistics
2896     D
2897     "Bose-Einstein statistics"
2898     RT
2899     Bose-Einstein_nucleus
2900     Fermi-Dirac_statistics
2901     boson
2902     ## boson
2903     boson
2904     D
2905     "boson"
2906     BT
2907     elementary_particle
2908     particle
2909     NT
2910     alpha_particle
2911     composite_particle
2912     meson
2913     photon
2914     pion
2915     RT
2916     Bose-Einstein_statistics
2917     fermion
2918     hadron
2919     lepton
2920     ## boundary_layer
2921     boundary_layer
2922     D
2923     "boundary layer"
2924     RT
2925     atmosphere
2926     planet
2927     ## bound-free_transition
2928     bound-free_transition
2929     ALT
2930     "bound free transition"
2931     D
2932     "bound-free transition"
2933     RT
2934     absorption_line
2935     absorption_spectrum
2936     ## Bouwers_telescope
2937     Bouwers_telescope
2938     D
2939     "Bouwers telescope"
2940     BT
2941     catadioptric_system
2942     reflecting_telescope
2943     RT
2944     Baker-Nunn_camera
2945     Maksutov_telescope
2946     wide-field_telescope
2947     ## bow_shock
2948     bow_shock
2949     D
2950     "bow-shock"
2951     BT
2952     shock_wave
2953     ## Bp_star
2954     Bp_star
2955     D
2956     "Bp star"
2957     BT
2958     B_star
2959     magnetic_star
2960     peculiar_star
2961     ## Brackett_series
2962     Brackett_series
2963     D
2964     "Brackett series"
2965     BT
2966     hydrogen_spectrum
2967     infrared_radiation
2968     RT
2969     Balmer_series
2970     Lyman_series
2971     Paschen_series
2972     Pfund_series
2973     ## bremsstrahlung
2974     bremsstrahlung
2975     ALT
2976     "free free transition"
2977     "free-free transition"
2978     D
2979     "bremsstrahlung"
2980     BT
2981     electromagnetic_radiation
2982     RT
2983     electron
2984     radiation_mechanism
2985     spectrum
2986     synchrotron_radiation
2987     ## bridge
2988     bridge
2989     D
2990     "bridge"
2991     N
2992     "between galaxy"
2993     ## bright_galaxy
2994     bright_galaxy
2995     D
2996     "bright galaxy"
2997     BT
2998     galaxy
2999     RT
3000     Local_Group
3001     nearby_galaxy
3002     ## bright_nebula
3003     bright_nebula
3004     D
3005     "bright nebula"
3006     BT
3007     nebula
3008     ## bright_point
3009     bright_point
3010     D
3011     "solar bright point"
3012     RT
3013     Sun
3014     HN
3015     "FVH: new (2007-OCT-29)"
3016     ## bright_star
3017     bright_star
3018     D
3019     "bright star"
3020     BT
3021     high-luminosity_star
3022     star
3023     RT
3024     brightness
3025     CN
3026     "FVH: correction from original IAU to reflect flux, not necessarily luminosity (2007-OCT-1)"
3027     ## brightness
3028     brightness
3029     D
3030     "brightness"
3031     BT
3032     optical_property
3033     NT
3034     surface_brightness
3035     RT
3036     bright_star
3037     illumination
3038     integration_time
3039     intensity
3040     luminosity
3041     magnitude
3042     ## brightness_distribution
3043     brightness_distribution
3044     D
3045     "brightness distribution"
3046     N
3047     "see luminosity distribution"
3048     ## brightness_temperature
3049     brightness_temperature
3050     D
3051     "brightness temperature"
3052     BT
3053     temperature
3054     RT
3055     black_body_radiation
3056     luminosity_distribution
3057     optical_property
3058     ## brillouin_scattering
3059     brillouin_scattering
3060     D
3061     "Brillouin scattering"
3062     RT
3063     Mie_scattering
3064     brillouin_spectrum
3065     ## brillouin_spectrum
3066     brillouin_spectrum
3067     D
3068     "Brillouin spectrum"
3069     BT
3070     spectrum
3071     RT
3072     brillouin_scattering
3073     light_scattering
3074     ## broad_band_photometry
3075     broad_band_photometry
3076     ALT
3077     "wide-band photometry"
3078     D
3079     "broad-band photometry"
3080     BT
3081     CCD_photometry
3082     photoelectric_photometry
3083     photographic_photometry
3084     NT
3085     Bessel_photometry
3086     BV_photometry
3087     Cape_photometry
3088     Cape_RI_photometry
3089     Gunn_photometry
3090     HST_photometry
3091     Johnson_photometry
3092     Kron-Cousins_photometry
3093     Sloan_photometry
3094     infrared_photometry
3095     rgb_photometry
3096     rgu_photometry
3097     two-color_photometry
3098     ultraviolet_photometry
3099     RT
3100     medium_band_photometry
3101     narrow_band_photometry
3102     CN
3103     "FVH: added BESSEL_PHOTOMETRY, GUNN_PHOTOMETRY, HST_PHOTOMETRY, KRON_COUSINS_PHOTOMETRY, SLOAN_PHOTOMETRY (2007-SEP-21)"
3104     ## bromine
3105     bromine
3106     ALT
3107     "Br"
3108     D
3109     "bromine (atomic number 35)"
3110     BT
3111     fundamental_chemical_element
3112     HN
3113     "FVH: new (2007-OCT-25)"
3114     ## brown_dwarf
3115     brown_dwarf
3116     D
3117     "brown dwarf"
3118     BT
3119     late-type_dwarf
3120     late-type_subdwarf
3121     stellar_object
3122     NT
3123     L_dwarf
3124     L_subdwarf
3125     T_dwarf
3126     T_subdwarf
3127     RT
3128     dwarf
3129     low-mass_star
3130     planetar
3131     ## B_star
3132     B_star
3133     D
3134     "B star"
3135     BT
3136     OB_star
3137     early-type_star
3138     young_star
3139     NT
3140     53_Persei_star
3141     B_dwarf
3142     B_giant
3143     B_subdwarf
3144     B_supergiant
3145     Be_star
3146     Bp_star
3147     Bw_star
3148     mercury_manganese_star
3149     RT
3150     O_cluster
3151     early-type_variable_star
3152     spectral_type
3153     ## B_subdwarf
3154     B_subdwarf
3155     D
3156     "B subdwarf star"
3157     BT
3158     B_star
3159     subdwarf
3160     ## B_supergiant
3161     B_supergiant
3162     D
3163     "B supergiant star"
3164     BT
3165     B_star
3166     OB_supergiant
3167     early-type_supergiant
3168     supergiant
3169     ## bubble
3170     bubble
3171     D
3172     "bubble"
3173     NT
3174     interstellar_bubble
3175     ## bulge
3176     bulge
3177     D
3178     "bulge"
3179     NT
3180     Galactic_bulge
3181     RT
3182     galaxy_structure
3183     N
3184     "combine with other terms"
3185     ## Burkert_profile
3186     Burkert_profile
3187     D
3188     "Burkert mass-profile"
3189     BT
3190     mass_distribution
3191     RT
3192     Navarro-Frenk-White_profile
3193     exponential_profile
3194     isothermal_sphere
3195     HN
3196     "FVH: new (2007-OCT-5)"
3197     ## burster
3198     burster
3199     D
3200     "burster"
3201     RT
3202     X-ray_burst
3203     burst
3204     gamma-ray_burst
3205     optical_burst
3206     radio_burst
3207     ## burst
3208     burst
3209     D
3210     "burst"
3211     NT
3212     X-ray_burst
3213     gamma-ray_burst
3214     optical_burst
3215     outburst
3216     radio_burst
3217     rapid_burst
3218     RT
3219     burster
3220     flare
3221     ## butterfly_diagram
3222     butterfly_diagram
3223     D
3224     "butterfly diagram"
3225     RT
3226     solar_activity
3227     solar_cycle
3228     sunspot_cycle
3229     sunspot_number
3230     sunspot
3231     ## BV_photometry
3232     BV_photometry
3233     D
3234     "BV photometry"
3235     BT
3236     broad_band_photometry
3237     two-color_photometry
3238     RT
3239     Bessel_photometry
3240     Johnson_photometry
3241     CN
3242     "FVH: added NT BESSEL_PHOTOMETRY, moved TWO-COLOR to BT and JOHNSON to NT (2007-SEP-21)"
3243     ## Bw_star
3244     Bw_star
3245     D
3246     "Bw star"
3247     BT
3248     B_star
3249     helium-poor_star
3250     ## BY_Draconis_star
3251     BY_Draconis_star
3252     D
3253     "BY Draconis star"
3254     BT
3255     flare_star
3256     RT
3257     starspot
3258     ## cadmium
3259     cadmium
3260     ALT
3261     "Cd"
3262     D
3263     "cadmium (atomic number 48)"
3264     BT
3265     fundamental_chemical_element
3266     HN
3267     "FVH: new (2007-OCT-25)"
3268     ## caesium
3269     caesium
3270     ALT
3271     "Cs"
3272     "cesium"
3273     D
3274     "caesium (atomic number 55)"
3275     BT
3276     fundamental_chemical_element
3277     HN
3278     "FVH: new (2007-OCT-25)"
3279     ## Ca_II_emission_line
3280     Ca_II_emission_line
3281     D
3282     "Ca II emission line"
3283     BT
3284     calcium_line
3285     emission_line
3286     metal_line
3287     RT
3288     Wilson-Bappu_effect
3289     ## calcium
3290     calcium
3291     ALT
3292     "Ca"
3293     D
3294     "calcium (atomic number 20)"
3295     BT
3296     fundamental_chemical_element
3297     RT
3298     calcium_line
3299     HN
3300     "FVH: new (2007-OCT-25)"
3301     ## calcium_line
3302     calcium_line
3303     D
3304     "calcium line"
3305     BT
3306     metal_line
3307     spectral_line
3308     NT
3309     Ca_II_emission_line
3310     H_and_K_line
3311     K_line
3312     RT
3313     absorption_line
3314     calcium
3315     ## calendar
3316     calendar
3317     D
3318     "calendar"
3319     NT
3320     Gregorian_calendar
3321     Julian_calendar
3322     RT
3323     ephemeris
3324     time
3325     ## calibration
3326     calibration
3327     D
3328     "calibration"
3329     NT
3330     bias_calibration
3331     dark-current_calibration
3332     dead-time_calibration
3333     linearity_calibration
3334     self-calibration_method
3335     RT
3336     comparison_lamp
3337     flat_field_lamp
3338     instrument
3339     lamp
3340     measuring_instrument
3341     reseaux
3342     N
3343     "combine with other terms"
3344     ## californium
3345     californium
3346     ALT
3347     "Cf"
3348     D
3349     "californium (atomic number 98)"
3350     BT
3351     fundamental_chemical_element
3352     HN
3353     "FVH: new (2007-OCT-25)"
3354     ## camera_lens
3355     camera_lens
3356     D
3357     "camera lens"
3358     BT
3359     lens
3360     RT
3361     camera
3362     ## camera
3363     camera
3364     D
3365     "camera"
3366     BT
3367     optical_instrument
3368     photographic_instrument
3369     NT
3370     Schmidt_camera
3371     all-sky_camera
3372     astrographic_camera
3373     ultraviolet_camera
3374     webcam
3375     RT
3376     all-sky_photography
3377     camera_lens
3378     coronagraph
3379     filter_wheel
3380     flat_field_lamp
3381     photograph
3382     photography
3383     shutter
3384     ultraviolet_photography
3385     wide-angle_lens
3386     N
3387     "photographic type only here"
3388     ## canyon
3389     canyon
3390     D
3391     "canyon"
3392     BT
3393     surface_of_celestial_body
3394     HN
3395     "FVH: new (2007-OCT-3)"
3396     ## Cape_photometry
3397     Cape_photometry
3398     ALT
3399     "UCBV photometry"
3400     D
3401     "Cape photometry"
3402     BT
3403     broad_band_photometry
3404     photometric_system
3405     RT
3406     Cape_RI_photometry
3407     Johnson_photometry
3408     Kapteyn_selected_area
3409     ## Cape_RI_photometry
3410     Cape_RI_photometry
3411     D
3412     "Cape RI photometry"
3413     BT
3414     broad_band_photometry
3415     RT
3416     Cape_photometry
3417     Johnson_photometry
3418     ## capture
3419     capture
3420     D
3421     "capture"
3422     RT
3423     absorption
3424     N
3425     "combine with other terms"
3426     ## carbonaceous_chondrite
3427     carbonaceous_chondrite
3428     D
3429     "carbonaceous chondrite"
3430     BT
3431     chondrite
3432     ## carbon_burning
3433     carbon_burning
3434     D
3435     "carbon burning"
3436     BT
3437     nuclear_fusion
3438     nucleosynthesis
3439     RT
3440     carbon
3441     carbon_flash
3442     giant
3443     helium_burning
3444     hydrogen_burning
3445     nuclear_reaction
3446     oxygen_burning
3447     shell_burning
3448     silicon_burning
3449     stellar_evolution
3450     stellar_interior
3451     ## carbon
3452     carbon
3453     ALT
3454     "C"
3455     D
3456     "carbon (atomic number 6)"
3457     BT
3458     fundamental_chemical_element
3459     RT
3460     carbon_burning
3461     carbon_compound
3462     carbon_nitrogen_cycle
3463     HN
3464     "FVH: new (2007-OCT-25)"
3465     ## carbon_compound
3466     carbon_compound
3467     D
3468     "carbon compound"
3469     BT
3470     interstellar_molecule
3471     NT
3472     CS
3473     carbon_dioxide
3474     carbon_disulfide
3475     carbon_monosulfide
3476     carbon_monoxide
3477     cyanoacetylene
3478     cyanodiacetylene
3479     cyanogen
3480     cyanopolyene
3481     hydrated_carbon
3482     RT
3483     carbon
3484     ## carbon_dioxide
3485     carbon_dioxide
3486     ALT
3487     "CO2"
3488     "CO_2"
3489     D
3490     "carbon dioxide"
3491     BT
3492     carbon_compound
3493     gas
3494     ## carbon_disulfide
3495     carbon_disulfide
3496     D
3497     "carbon disulfide"
3498     BT
3499     carbon_compound
3500     ## carbon_flash
3501     carbon_flash
3502     ALT
3503     "carbon detonation"
3504     D
3505     "carbon flash"
3506     RT
3507     carbon_burning
3508     helium_flash
3509     nuclear_fusion
3510     red_giant_tip
3511     ## carbon_line
3512     carbon_line
3513     D
3514     "carbon line"
3515     BT
3516     metal_line
3517     spectral_line
3518     NT
3519     C_I_emission
3520     ## carbon_monosulfide
3521     carbon_monosulfide
3522     ALT
3523     "CS"
3524     D
3525     "carbon monosulfide"
3526     BT
3527     carbon_compound
3528     ## carbon_monoxide
3529     carbon_monoxide
3530     ALT
3531     "CO"
3532     D
3533     "carbon monoxide"
3534     BT
3535     carbon_compound
3536     gas
3537     RT
3538     Swan_band
3539     ## carbon_nitrogen_cycle
3540     carbon_nitrogen_cycle
3541     ALT
3542     "CNO cycle"
3543     "carbon cycle"
3544     D
3545     "carbon nitrogen cycle"
3546     BT
3547     hydrogen_burning
3548     RT
3549     CNO_anomaly
3550     carbon
3551     nitrogen
3552     nuclear_fusion
3553     proton-proton_reaction
3554     stellar_interior
3555     ## carbon_star
3556     carbon_star
3557     ALT
3558     "C star"
3559     D
3560     "carbon star"
3561     BT
3562     late-type_giant
3563     RT
3564     CH_star
3565     CN_star
3566     R_star
3567     S_star
3568     Wolf-Rayet_star
3569     ## Cassegrain_antenna
3570     Cassegrain_antenna
3571     ALT
3572     "Cassegrain antennas"
3573     "two reflector antennas"
3574     "two-reflector antennas"
3575     D
3576     "Cassegrain antenna"
3577     BT
3578     antenna
3579     radio_telescope
3580     RT
3581     secondary_mirror
3582     subreflector
3583     ## Cassegrain_focus
3584     Cassegrain_focus
3585     D
3586     "Cassegrain focus"
3587     BT
3588     Cassegrain_telescope
3589     focus
3590     RT
3591     Coude_focus
3592     Nasmyth_focus
3593     Newtonian_focus
3594     parabolic_antenna
3595     prime_focus
3596     secondary_mirror
3597     subreflector
3598     ## Cassegrain_telescope
3599     Cassegrain_telescope
3600     D
3601     "Cassegrain telescope"
3602     BT
3603     telescope
3604     NT
3605     Cassegrain_focus
3606     ## cataclysmic_variable_star
3607     cataclysmic_variable_star
3608     ALT
3609     "CV"
3610     "cataclysmic binary star"
3611     "eruptive variable star"
3612     D
3613     "cataclysmic variable star"
3614     BT
3615     X-ray_binary_star
3616     close_binary_star
3617     eruptive_binary_star
3618     interacting_binary_star
3619     variable_star
3620     NT
3621     AM_Herculis_star
3622     SX_Arietis_star
3623     UV_Persei_star
3624     dwarf_nova
3625     nova-like_variable
3626     classical_nova
3627     RT
3628     eruption
3629     low-mass_X-ray_binary_star
3630     mass_exchange
3631     mass-loss
3632     optical_outburst
3633     supernova
3634     symbiotic_star
3635     white_dwarf
3636     ## catadioptric_system
3637     catadioptric_system
3638     D
3639     "catadioptric system"
3640     BT
3641     optical_system
3642     NT
3643     Baker-Nunn_camera
3644     Bouwers_telescope
3645     Maksutov_telescope
3646     Schmidt_telescope
3647     RT
3648     corrector_plate
3649     field_corrector
3650     lens
3651     mirror
3652     optical_telescope
3653     ## catalog
3654     catalog
3655     ALT
3656     "catalogues UK"
3657     D
3658     "catalog"
3659     NT
3660     Henry_Draper_catalog
3661     astrographic_catalog
3662     radio_source_catalog
3663     RT
3664     FK_catalog_system
3665     atlas
3666     ephemeris
3667     finding_list
3668     fundamental_star
3669     map
3670     nomenclature
3671     sky_survey
3672     survey
3673     ultraviolet_survey
3674     N
3675     "e.g. radio, star, x ray, etc.; combine with other terms"
3676     ## catastrophe_theory
3677     catastrophe_theory
3678     D
3679     "catastrophe theory"
3680     RT
3681     mathematical_analysis
3682     ## cathode
3683     cathode
3684     D
3685     "cathode"
3686     BT
3687     electrode
3688     NT
3689     photocathode
3690     RT
3691     photomultiplier_tube
3692     quantum_efficiency
3693     thermionic_emission
3694     ## catoptric_system
3695     catoptric_system
3696     D
3697     "catoptric system"
3698     BT
3699     optical_system
3700     RT
3701     mirror
3702     optical_telescope
3703     ## caustic_crossing
3704     caustic_crossing
3705     D
3706     "caustic crossing"
3707     RT
3708     caustic
3709     cusp_crossing
3710     cusp
3711     gravitational_lensing
3712     HN
3713     "FVH: new (2007-OCT-8)"
3714     ## caustic
3715     caustic
3716     D
3717     "caustic"
3718     RT
3719     caustic_crossing
3720     cusp_crossing
3721     gravitational_lensing
3722     HN
3723     "FVH: new (2007-OCT-8)"
3724     ## CCD_detector
3725     CCD_detector
3726     ALT
3727     "CCD camera"
3728     D
3729     "CCD detector"
3730     BT
3731     multi-channel_detector
3732     two-dimensional_detector
3733     RT
3734     CCD_observation
3735     CCD_photometry
3736     bias_calibration
3737     charge-coupled_device
3738     dark-current_calibration
3739     photometer
3740     television_detector
3741     ## CCD_observation
3742     CCD_observation
3743     D
3744     "CCD observation"
3745     BT
3746     observation
3747     RT
3748     CCD_detector
3749     CCD_photometry
3750     charge-coupled_device
3751     ## CCD_photometry
3752     CCD_photometry
3753     D
3754     "CCD photometry"
3755     BT
3756     photometry
3757     NT
3758     broad_band_photometry
3759     medium_band_photometry
3760     narrow_band_photometry
3761     RT
3762     CCD_detector
3763     CCD_observation
3764     charge-coupled_device
3765     photoelectric_photometry
3766     photographic_photometry
3767     ## cD_galaxy
3768     cD_galaxy
3769     D
3770     "cD galaxy (compact D galaxy in the Yerkes classification scheme)"
3771     BT
3772     D_galaxy
3773     elliptical_galaxy
3774     giant_galaxy
3775     massive_galaxy
3776     RT
3777     Yerkes_classification
3778     galaxy_cluster
3779     giant_radio_galaxy
3780     nucleus_celestial_object
3781     ## celestial_coordinate_system
3782     celestial_coordinate_system
3783     D
3784     "celestial coordinate system"
3785     BT
3786     coordinate_system
3787     NT
3788     Galactic_coordinate_system
3789     ecliptic_coordinate_system
3790     equatorial_coordinate_system
3791     supergalactic_coordinate_system
3792     HN
3793     "FVH: new (2007-NOV-2)"
3794     ## celestial_equator
3795     celestial_equator
3796     D
3797     "celestial equator"
3798     BT
3799     equatorial_coordinate_system
3800     RT
3801     Declination
3802     Right_Ascension
3803     celestial_pole
3804     celestial_sphere
3805     equator_correction
3806     equator_determination
3807     equator_position
3808     equinox
3809     obliquity_of_ecliptic
3810     ## celestial_mechanics
3811     celestial_mechanics
3812     D
3813     "celestial mechanics"
3814     BT
3815     scientific_field
3816     RT
3817     Keplerian_orbit
3818     Lagrangian_point
3819     N-body_problem
3820     angular_velocity
3821     astrodynamics
3822     astrometry
3823     astronomical_constant
3824     gravitation
3825     gravitational_wave
3826     lunar_theory
3827     orbital_element
3828     orbital_evolution
3829     orbital_motion
3830     orbital_theory
3831     orbit
3832     osculatory_element
3833     perturbation
3834     perturbation_theory
3835     planetary_alignment
3836     planetary_theory
3837     precession
3838     three-body_problem
3839     two-body_problem
3840     ## celestial_pole
3841     celestial_pole
3842     D
3843     "celestial pole"
3844     BT
3845     equatorial_coordinate_system
3846     pole
3847     NT
3848     North_Celestial_Pole
3849     South_Celestial_Pole
3850     RT
3851     celestial_equator
3852     celestial_sphere
3853     equator
3854     polar_axis
3855     ## celestial_sphere
3856     celestial_sphere
3857     D
3858     "celestial sphere"
3859     RT
3860     celestial_equator
3861     celestial_pole
3862     horizon
3863     meridian
3864     zenith
3865     ## celsius_temperature_scale
3866     celsius_temperature_scale
3867     D
3868     "Celsius temperature scale"
3869     BT
3870     temperature_scale
3871     RT
3872     Kelvin
3873     absolute_temperature_scale
3874     temperature
3875     ## center
3876     center
3877     D
3878     "center"
3879     N
3880     "combine with other terms"
3881     ## center_of_mass
3882     center_of_mass
3883     D
3884     "center of mass"
3885     BT
3886     orbital_element
3887     RT
3888     binary_star
3889     pericenter
3890     planet
3891     ## central_star
3892     central_star
3893     D
3894     "central star"
3895     BT
3896     star
3897     RT
3898     planetary_nebula
3899     ## centrifugal_force
3900     centrifugal_force
3901     D
3902     "centrifugal force"
3903     BT
3904     force
3905     RT
3906     centripetal_force
3907     ## centripetal_force
3908     centripetal_force
3909     D
3910     "centripetal force"
3911     BT
3912     force
3913     RT
3914     centrifugal_force
3915     ## Cepheid_distance
3916     Cepheid_distance
3917     D
3918     "Cepheid distance"
3919     BT
3920     distance_measurement
3921     RT
3922     Cepheid
3923     HN
3924     "ES: new (2007-OCT-8)"
3925     ## Cepheid
3926     Cepheid
3927     ALT
3928     "Cepheid variable star"
3929     "bump Cepheid"
3930     "classical Cepheid"
3931     "delta Cephei star"
3932     D
3933     "Cepheid"
3934     BT
3935     pulsating_variable_star
3936     NT
3937     double-mode_Cepheid
3938     young_disk_Cepheid
3939     RT
3940     Baade-Wesselink_method
3941     BL_Herculis_star
3942     Cepheid_distance
3943     He_II_ionization_zone
3944     RR_Lyrae_star
3945     W_Virginis_star
3946     dwarf_Cepheid
3947     instability_strip
3948     kappa_mechanism
3949     period-age_relation
3950     period-color_relation
3951     period-luminosity-color_relation
3952     period-luminosity_relation
3953     period-radius_relation
3954     period-spectrum_relation
3955     radial_pulsation
3956     radius-luminosity_relation
3957     N
3958     "most commonly used term"
3959     ## Cerenkov_counter
3960     Cerenkov_counter
3961     ALT
3962     "Cherenkov counter"
3963     D
3964     "Cerenkov counter"
3965     BT
3966     scintillation_counter
3967     RT
3968     Cerenkov_radiation
3969     cosmic_ray
3970     N
3971     "American spelling"
3972     ## Cerenkov_radiation
3973     Cerenkov_radiation
3974     ALT
3975     "Cerenkov effect"
3976     D
3977     "Cerenkov radiation"
3978     BT
3979     electromagnetic_radiation
3980     radiation
3981     RT
3982     Cerenkov_counter
3983     cosmic_ray
3984     gamma-ray_radiation
3985     nuclear_radiation
3986     radiation_mechanism
3987     ultraviolet_radiation
3988     N
3989     "American spelling"
3990     ## Ceres
3991     Ceres
3992     D
3993     "Ceres"
3994     BT
3995     dwarf_planet
3996     RT
3997     Solar_System
3998     HN
3999     "FVH: new (2007-OCT-2)"
4000     ## cerium
4001     cerium
4002     ALT
4003     "Ce"
4004     D
4005     "cerium (atomic number 58)"
4006     BT
4007     fundamental_chemical_element
4008     rare_earth
4009     HN
4010     "FVH: new (2007-OCT-25)"
4011     ## Chandler_wobble
4012     Chandler_wobble
4013     ALT
4014     "polar wandering"
4015     D
4016     "Chandler wobble"
4017     RT
4018     Earth_rotation
4019     latitude_determination
4020     latitude_variation
4021     polar_motion
4022     ## Chandrasekhar_mass
4023     Chandrasekhar_mass
4024     D
4025     "Chandrasekhar limit"
4026     "Chandrasekhar limit; the mass-limit for a degenerate stellar object"
4027     BT
4028     mass
4029     RT
4030     gravitational_collapse
4031     hydrogen_burning
4032     mass-radius_relation
4033     stellar_interior
4034     white_dwarf
4035     ## Chandrasekhar-Schoenberg_limit
4036     Chandrasekhar-Schoenberg_limit
4037     ALT
4038     "Chandrasekhar-Schonberg limit"
4039     "Schoenberg-Chandrasekhar limit"
4040     "Schonberg-Chandrasekhar limit"
4041     D
4042     "Chandrasekhar-Schoenberg limit; the mass-limit for an isothermal stellar core"
4043     BT
4044     mass
4045     RT
4046     gravitational_collapse
4047     hydrogen_burning
4048     mass-radius_relation
4049     stellar_interior
4050     ## charge-coupled_device
4051     charge-coupled_device
4052     ALT
4053     "CCD"
4054     "charge coupled device"
4055     D
4056     "charge-coupled device"