SIMPLE = T / Data conforms to FITS standard BITPIX = 8 / NAXIS = 0 / no primary array EXTEND = T / File may contain standard extensions NEXTEND = 2 / Number of standard extensions DATE = '2013-03-02' / Date this file was written (yyyy-mm-dd) DATA DESCRIPTION KEYWORDS TELESCOP= 'ASTRO-2 HUT' / Hopkins Ultraviolet Telescope INSTRUME= 'FUV ' / Instrument in use (FUV or TV) ROOTNAME= 'HUT206103' / Rootname of the observation set (HUTnseqnn) FILENAME= 'HUT206103cal.fits' / Filename FILETYPE= 'CALIBRATED EXTRACTED SPECTRUM' / File type PROPOSAL INFORMATION PRGRM_ID= 'W22 ' / Science program OBJCLASS= 4.2 / Reflection Nebulae TARGETID= 4211 / Target ID REVIS-ID= 13 / Revisit ID SEQ_NUM = 61 / HUT sequence number EXP_NUM = 3 / Exposure number PR_INV_L= 'Buss ' / Last name of principal investigator PR_INV_F= 'Richard ' / First name of principal investigator TARGET INFORMATION TARGNAME= 'NGC7023_OFFSET' / Target name ALT_NAME= 'HD200775' / Alternate name RA_TARG = 315.368719 / [deg] Right ascension of the target (J2000) DEC_TARG= 68.140438 / [deg] Declination of the target (J2000) EQUINOX = 2000. / Equinox of celestial coordinate system GLONG = 104.034811 / [deg] Galactic longitude GLAT = 14.188261 / [deg] Galactic latitude RA_1950 = 315.213624 / [deg] Observer-requested RA (B1950) DEC_1950= 67.942621 / [deg] Observer-requested DEC (B1950) APER_PA = 55. / [deg] Position angle of -Y axis (E of N) SP_TYPE = 'B3 V ' / Spectral type and luminosity class (or other) TARGVMAG= 7.35 / [mag] Target V magnitude COLOR_BV= 0.38 / [mag] Target B-V EBV = 0.45 / [mag] Color excess E(B-V) SOLAR_SY= 0 / Solar-system object, 1 = yes, 0 = no KEYWORDS= 'Reflection Nebula + star' COMMENT0= 'RT=5;3115-HD2' COMMENT1= 'flux nebula 5.e-14 at 1600 Ang. est ASTRO-1' COMMENT2= 'Observe star then Nebula, using star as guide' COMMENT3= '335 sec mirror motion' SUMMARY EXPOSURE INFORMATION DATEOBS = '1995-03-06' / [yyyy-mm-dd] UT date of exposure start UT_START= '065:09:19:24' / [ddd:hh:mm:ss] UT time of exposure start UT_END = '065:10:05:02' / [ddd:hh:mm:ss] UT time of exposure end METSTART= 98.6865469444444 / [hours] Exposure start time (AMET) EXPSTART= 49782.3884788079 / Exposure start time (Modified Julian Date) EXPEND = 49782.4201686227 / Exposure end time (Modified Julian Date) EXPTIME = 1408 / [s] Exposure time after screening EXPNIGHT= 1048 / [s] Exposure time during orbital night PLANTIME= 2924 / [s] Planned exposure time SUNANGLE= 76.95424 / [deg] Angle between sun and Z axis MOONANGL= 73.76063 / [deg] Angle between moon and Z axis GEO_LONG= 113.0471 / [deg] Geocentric longitude at EXPSTART GEO_LAT = -1.822345 / [deg] Geocentric latitude at EXPSTART MAG_LAT = -9.208718 / [deg] Geomagnetic latitude at EXPSTART MIN_LIMB= 12.57017 / [deg] Minimum angle above Earth limb SCIENCE INSTRUMENT CONFIGURATION INSTMODE= 'HG ' / Instrument mode (histogram) DOOR = 5 / Door configuration (5120 cm^2) DR_TIME = 0 / [s] Partial door opening time APERTURE= 6 / 10" x 56" SPMASK = 0 / SP mask (0 = all pass) DELTA_X = 1.59430589462021 / [microns] Mirror offset in X DELTA_Y = 85.9320503789609 / [arcsec] Mirror offset in Y DELTA_Z = 40.0133622288931 / [arcsec] Mirror offset in Z MCP_LVL = 7 / MCP HV level PHOS_LVL= 3 / PHOS HV level TTPERIOD= 2. / [s] Spectral time resolution SCIENCE DATA PROCESSING STEPS BF-FLAG = 'COMPLETE' / Correct for bit flips in raw data AP-FLAG = 'COMPLETE' / Flag target out of aperture JT-FLAG = 'SKIPPED ' / Jitter correction (of X array) DT-FLAG = 'COMPLETE' / Detector deadtime correction PP-FLAG = 'COMPLETE' / Phosphor persistence correction DK-FLAG = 'COMPLETE' / Dark count subtraction FF-FLAG = 'COMPLETE' / Flat field correction SC-FLAG = 'COMPLETE' / Scattered light removal R2-FLAG = 'COMPLETE' / Second order removal WC-FLAG = 'COMPLETE' / Wavelength calibration FC-FLAG = 'COMPLETE' / Flux calibration PH-FLAG = 'COMPLETE' / Photometric correction SCIENCE DATA PROCESSING KEYWORDS HUT_CAL = 2013.1 / HUT_CAL pipeline version number DAYNIGHT= 'BOTH ' / Use only DAY, NIGHT, or BOTH BRITLIMB= 15. / [deg] Bright limb avoidance angle DARKLIMB= 15. / [deg] Dark limb avoidance angle MAX_BKGD= 10. / [cts/s] Max allowed (850-895 A) DET_DEAD= 1. / Mean detector deadtime correction factor PP_CORR = 0.95 / Pulse-persistence correction factor DARKRATE= 0.000411 / [cts/s/pixel] with aperture closed SC_WINDO= '840-885 ' / [A] Windows for scattered-light correction R2_WINDO= '905-932 ' / [A] Windows for second-order correction R2_RATIO= 0.21 / Relative efficiency in second order BPROOTNM= 'NGC7023_098' / Root name of HUT ballistic process file OLD_NAME= 'ngc7023_098' / Exposure name in original archive delivery FINAL PHOTOMETRIC CORRECTION PARAMETERS PHOTOCOR= 1.065139 / Photometric correction factor CORRTYPE= 'IMCS ' / Source of photometric correction MEANRATE= 13.18732 / [s-1] Mean source count rate (uncorrected) SIG_RATE= 3.169259 / [s-1] Standard deviation of source count rate TARGWIN1= '1004-1015,1050-1065,1087-1125,1140-1160' / [A] Target rate windows TARGWIN2= '1175-1185,1370-1485,1625-1650,1680-1740,1770-1810' / [A] Target rate BKGD_WIN= '850-895 ' / [A] Background rate windows PHOTOMETRIC CORRECTION FOR ORBITAL-NIGHT DATA IN SECOND EXTENSION (IF PRESENT) N_PHOTOC= 1.054779 / Photometric correction factor N_MEANRA= 13.31684 / [s-1] Mean source count rate (uncorrected) N_SIG_RA= 3.119103 / [s-1] Standard deviation of source count rate IMCS PHOTOMETRIC CORRECTION RESULTS IQUALITY= 15 / Quality flag (see key below) ICORRATE= 14.0463214917894 / [s-1] Best-fit corrected count rate INUMGOOD= 550 / Number of good frames used in analysis IGMTSTRT= '065:09:36:48' / [ddd:hh:mm:ss] Time of initial good frame IGMTSTOP= '065:10:04:52' / [ddd:hh:mm:ss] Time of final good frame YERR_AVG= -2.86630022836847 / [arcsec] Mean pointing error in yaw YERR_RMS= 0.973008356777068 / [arcsec] RMS pointing error in yaw ZERR_AVG= 0.0333400038460214 / [arcsec] Mean pointing error in pitch ZERR_RMS= 0.834056583374044 / [arcsec] RMS pointing error in pitch COMMENT IQUALITY is a binary integer. COMMENT Bit 1 is set: chi-squared < 10 COMMENT 2 is set: chi-squared < 3 COMMENT 3 is set: thermal drift corrections were applied COMMENT 4 is set: IMCS data exists for > 2/3 of the good frames POISSON STATISTICS PHOTOMETRIC CORRECTION RESULTS PQUALITY= 0 / Quality flag (1 if successful) PCORRATE= 14.0016523318015 / [s-1] Best-fit corrected count rate PCORRERR= 14.0016523318015 / [s-1] Uncertainty in count rate POISPROB= 0.0563895143568516 / Probability that count rate is Poisson PSTABLE = 0.450012713670731 / Probability that count rate is stable PGMTSTRT= '065:09:36:51' / [ddd:hh:mm:ss] Time of initial good frame PGMTSTOP= '065:10:04:55' / [ddd:hh:mm:ss] Time of final good frame ARCHIVE SEARCH KEYWORDS BANDWID = 1020 / [Angstroms] Bandwidth of the data CENTRWV = 1330 / [Angstroms] Central wavelength of the data WAVEMIN = 820 / [Angstroms] Minimum wavelength of the data WAVEMAX = 1840 / [Angstroms] Maximum wavelength of the data HISTORY KEYWORDS HISTORY More than 100 consecutive seconds with no jitter information. HISTORY X coordinate not corrected for jitter. HISTORY Source count rate is low. Dead-time correction set to unity. END