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 = '01192480000' / Observation ID TARG_ID = '1192480 ' / 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 = 716696347.9945 / Start time DATE-OBS= '2023-09-18T02:19:08.0' / Start Date TSTOP = 716696453.5431 / Stop time DATE-END= '2023-09-18T02:20:53.5' / 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 = '2023-09-18T02:20:28' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -32.02854 / UTCF at TSTART CHECKSUM= '2AhO29ZO2AfO27ZO' / HDU checksum updated 2023-09-18T02:20:28 DATASUM = ' 0' / data unit checksum updated 2023-09-18T02:20:28 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 = '01192480000' / Observation ID TARG_ID = '1192480 ' / 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 = '2023-09-18T02:20:28' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 716696347.9945 / Start time DATE-OBS= '2023-09-18T02:19:08.0' / Start Date TSTOP = 716696453.5431 / Stop time DATE-END= '2023-09-18T02:20:53.5' / Stop Date UTCFINIT= -32.02854 / 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 = 1192480 / Trigger Number XRA_OBJ = 244.748962402344 / [deg] XRT RA location GRB or Object XDEC_OBJ= -15.6108856201172 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.54859995842 / 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= -32.02854 / [s] UTC Correction TIME UTCCSEC = -33 / UTC Correction Seconds UTCCSUBS= 48573 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 716696453.74346 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 716696453 / ccsds PacKeT SEConds PKTSUBS = 37173 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'ZFAVeC5UZCAUbC3U' / HDU checksum updated 2023-09-18T02:20:28 DATASUM = '647840832' / data unit checksum updated 2023-09-18T02:20:28 END A[KA[6"A[wX:@+A[@&@A[@:A[A @ A[P@\`A["@q@A[*@7DA[36@s8A[o@0@A[E@WA[Ͷ@P@A[VYK@yǠA[@@A[g@U>A[B1@'A[x`@v A[@X A[+@WA[F@1 A[qv@A[$@ A[,@: A[5Z\@օA[@#A[F@@A[CB@`A[Wq@RoA[@n@A[i,(@?@A[W@/`A[zr@ A[@`A[=@g A[[l@"A[@A[%#@l`A[DR@= A[6@ `A[ @yA[H-8@R A[h@R A[Ys@ A[@@A[jN@A[\}@CA[{@#@A[4@ A[Ec@CrA[@`A[@IA['.I@3A[x@yA[8t@zA[/@A[I^@V@A[]@l@A[[@A[D@fA[lFt@@A[@U>A[}@"A[/Z@A[҉@piA[u@k`A[@@FAA[(o@wA[^@A[:@A[¤U@;A[KG@:`A[@g `A[\@`A[0j@g `A[mә@S_@A[v@v A[P@ ^A[@;A[_@ A[@ A[e@r@A[*H@A[@A[;@:A[1{@`A[LԪ@`A[w@V.A[^ @[͠A[潐@L`A[o`@[͠A[@@A[v@A[ I@اA[@;G@A[@A[2@3A[+ջ@RoA[x@'X A[=@9