SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01219542000' / Observation ID TARG_ID = '1219542 ' / Target ID SEG_NUM = '0 ' / Segment number TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error TSTART = 731846413.00784 / Start time DATE-OBS= '2024-03-11T10:40:13.0' / Start Date TSTOP = 731846518.61882 / Stop time DATE-END= '2024-03-11T10:41:58.6' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number DATE = '2024-03-11T10:49:51' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -33.06628 / UTCF at TSTART CHECKSUM= 'dJeTeJbRdJbRdJbR' / HDU checksum updated 2024-03-11T10:49:51 DATASUM = ' 0' / data unit checksum updated 2024-03-11T10:49:51 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 18 / width of table in bytes NAXIS2 = 100 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 3 / number of fields in each row TTYPE1 = 'TIME ' / label for field 1 TFORM1 = '1D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'RATE ' / label for field 2 TFORM2 = '1D ' / data format of field: 8-byte DOUBLE TUNIT2 = 'count/s ' / physical unit of field TTYPE3 = 'XRTMODE ' / label for field 3 TFORM3 = '1I ' / data format of field: 2-byte INTEGER EXTNAME = 'RATE ' / name of this binary table extension MESGNAME= 'XRT_LIGHTCURVE' / Name of the message COMMENT XRTMODE values COMMENT 1=null 2=Short Image 3=Long Image 4=Pile-Up Photodiode COMMENT 5=Low Rate Photodiode 6=Windowed Timing 7= Photon-Counting COMMENT 8=RAW data 9=Bias map 10=Stop TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01219542000' / Observation ID TARG_ID = '1219542 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2024-03-11T10:49:51' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 731846413.00784 / Start time DATE-OBS= '2024-03-11T10:40:13.0' / Start Date TSTOP = 731846518.61882 / Stop time DATE-END= '2024-03-11T10:41:58.6' / Stop Date UTCFINIT= -33.06628 / UTCF at TSTART TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'LIGHTCURVE' / Time ordered data HDUCLAS2= 'TOTAL ' / Source + background HDUCLAS3= 'RATE ' / Data provided as rate NUMBINS = 100 / Number of valid bins in the lightcurve TRIGGER = 1219542 / Trigger Number XRA_OBJ = 244.886032104492 / [deg] XRT RA location GRB or Object XDEC_OBJ= -15.8019132614136 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.610979914665 / TSTOP - TSTART ONTIME = 107.359703063965 / Time on target LIVETIME= 107.359703063965 / Ontime multiplied by DEADC EXPOSURE= 107.359703063965 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -33.06628 / [s] UTC Correction TIME UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 46686 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 731846518.74154 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 731846518 / ccsds PacKeT SEConds PKTSUBS = 37077 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'URe8URc8URc8URc8' / HDU checksum updated 2024-03-11T10:49:51 DATASUM = '622830647' / data unit checksum updated 2024-03-11T10:49:51 END AϋAϋAϋ Z@Aϋ@܀AϋS@@Aϋ@@Aϋ#p@Aϋ<@߃@Aϋ4@w@AϋV@AϋF%@ Aϋȴ@q@AϋWk<@`Aϋk@Z}Aϋh@ iAϋT"@ʠAϋyQ@Aϋ@H`Aϋ=@e@Aϋ7@vAϋ@IAϋ%%F@Aϋu@W`Aϋ6k@EAϋ,@ AϋG[@ AϋT@" AϋX@{`AϋA@y$Aϋj=q@UAϋ@Aϋ{'@Wk@Aϋ&W@"AϋɆ@Aϋl @Wk@Aϋ=@`Aϋ&l@k`AϋT@Aϋ7#@`AϋR@|AϋI=@Aϋ @n֠AϋZ8@o`Aϋ&@Aϋk@=`Aϋm@ 2@Aϋ}@I Aϋ@,AϋV@I Aϋ3@Aϋ@ Aϋ(>@#%Aϋ@4`Aϋ9@fAϋ'@]AϋJ@;Aϋm@7Aϋ\@J}Aϋ@`AϋmVm@Aϋ@Aϋ~@+Aϋ?S@rMAϋ@Aϋ@Aϋ(9@"5Aϋ)h@EAϋn@Y@Aϋ;@H@AϋôN@AϋLW~@n֠Aϋ@<@Aϋ]4@Aϋ@d@qAϋn@ Aϋs@ĠAϋ(@@Aϋ@AϋnY@=`Aϋ@fAϋ@6Aϋ+W?@@Aϋn@C Aϋ<@Aϋ@%@AϋMT@tuAϋֆ@Aϋ_) @Aϋ:@Aϋpoi@6Aϋ@iAϋ @_Aϋ XO@.Aϋ@cAϋ@pAϋA5@$`Aϋ,e@`Aϋ@JMAϋ>*@@AϋK@c