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 = '01248132000' / Observation ID TARG_ID = '1248132 ' / 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 = 745078187.60922 / Start time DATE-OBS= '2024-08-11T14:09:47.6' / Start Date TSTOP = 745078382.2424 / Stop time DATE-END= '2024-08-11T14:13:02.2' / 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 = '2024-08-11T14:13:56' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -33.97274 / UTCF at TSTART CHECKSUM= 'jJeNjGZNjGdNjGZN' / HDU checksum updated 2024-08-11T14:13:56 DATASUM = ' 0' / data unit checksum updated 2024-08-11T14:13:56 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 = '01248132000' / Observation ID TARG_ID = '1248132 ' / 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 = '2024-08-11T14:13:56' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 745078187.60922 / Start time DATE-OBS= '2024-08-11T14:09:47.6' / Start Date TSTOP = 745078382.2424 / Stop time DATE-END= '2024-08-11T14:13:02.2' / Stop Date UTCFINIT= -33.97274 / 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 = 1248132 / Trigger Number XRA_OBJ = 226.384582519531 / [deg] XRT RA location GRB or Object XDEC_OBJ= 28.8547859191895 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 194.63318002224 / TSTOP - TSTART ONTIME = 192.307723999023 / Time on target LIVETIME= 192.307723999023 / Ontime multiplied by DEADC EXPOSURE= 192.307723999023 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -33.97274 / [s] UTC Correction TIME UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 1363 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 745078382.33046 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 745078382 / ccsds PacKeT SEConds PKTSUBS = 16523 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'I3HZL2HYI2HYI2HY' / HDU checksum updated 2024-08-11T14:13:56 DATASUM = '2509182083' / data unit checksum updated 2024-08-11T14:13:56 END A4~A4~ A4~Q)@`dA4~̸@([ A4~bp@([ A4~@3A4~sF@FhA4~Yu@([ A4~ل@8[ A4~ ,@KyA4~ږB[@= A4~@,aA4~ۧ@ATA4~0+A@^ A4~ܸp@$A4~Aq@6{A4~@> A4~R@0ܠA4~[-@&{A4~c]@*:A4~졌@R4A4~uD@ A4~C@Nq A4~ᆊr@RDXA4~,@@dA4~)@7kPA4~ sX@*:A4~@= A4~1@ A4~\>@7kPA4~C@@ܠA4~ˣD@,aA4~TE@  A4~@0ܠA4~e*@= A4~/Z@Q|A4~v@{A4~u@  A4~@@{A4~@= A4~]? A4~)&@JA4~j}@GA4~l@F`A4~\@FU@A4~-M@@GA4~n=@F`A4~,R@HT6A4~.@E A4~1 @FU@A4~q@F@A4~l@GT`A4~H@GA4~4%@H!)A4~uZ@H!)A4~6@GA4~@GA48@GT`A4y{t@GT`A4kQ@F`A4[-@IA4