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 = '01191188000' / Observation ID TARG_ID = '1191188 ' / 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 = 716114999.20854 / Start time DATE-OBS= '2023-09-11T08:49:59.2' / Start Date TSTOP = 716115208.24752 / Stop time DATE-END= '2023-09-11T08:53:28.2' / 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 = '2023-09-11T08:54:33' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -31.98884 / UTCF at TSTART CHECKSUM= 'dHVNdHVMdHVMdHVM' / HDU checksum updated 2023-09-11T08:54:33 DATASUM = ' 0' / data unit checksum updated 2023-09-11T08:54:33 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 = '01191188000' / Observation ID TARG_ID = '1191188 ' / 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 = '2023-09-11T08:54:33' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 716114999.20854 / Start time DATE-OBS= '2023-09-11T08:49:59.2' / Start Date TSTOP = 716115208.24752 / Stop time DATE-END= '2023-09-11T08:53:28.2' / Stop Date UTCFINIT= -31.98884 / 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 = 1191188 / Trigger Number XRA_OBJ = 226.805953979492 / [deg] XRT RA location GRB or Object XDEC_OBJ= -41.3512802124023 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 209.038980007172 / TSTOP - TSTART ONTIME = 202.386322021484 / Time on target LIVETIME= 202.386322021484 / Ontime multiplied by DEADC EXPOSURE= 202.386322021484 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -31.98884 / [s] UTC Correction TIME UTCCSEC = -32 / UTC Correction Seconds UTCCSUBS= 558 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 716115208.34268 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 716115208 / ccsds PacKeT SEConds PKTSUBS = 17134 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5GER89DQ5GDQ59DQ' / HDU checksum updated 2023-09-11T08:54:33 DATASUM = '1651984608' / data unit checksum updated 2023-09-11T08:54:33 END AÅW†š±pAÅW†ÑˆAÅW†ÐS@b¼@ AÅW†žs‚@FóhàAÅW†'±@"¼@ AÅW†¯¹à@ Ü AÅW†8\h@2¼@ AÅW†Àÿ—@>éÑ AÅW†I¢Æ@([ àAÅW†ÒEö@::ÁAÅW† Zé%@ ú AÅW† ãŒT@i¤ßAÅW†!l/ƒ@ZvµAÅW†!ôÒ³?ýú AÅW†$‘¾õ@X‡C AÅW†%Ò®Ñ@VˆÁ@AÅW†'ž®@U‰€ AÅW†(T2@TW1àAÅW†)•@U£ AÅW†*Önë@]¶– AÅW†,^È@TÖÒ€AÅW†-XN¥@Uoù€AÅW†.™>@Wn|AÅW†/Ú.^@U‰€ AÅW†1â@W!è`AÅW†2\¿@U¼ AÅW†3œþ›@Ylþ`AÅW†4Ýï @Wn|AÅW†6Þü@TW1àAÅW†7_Î1@X:° AÅW†8 ¾¶@VÕTàAÅW†9á®’@WaàAÅW†;"žo@XºPÀAÅW†ån@Vo:ÀAÅW†@&_1@Z%`AÅW†AgO@Y `AÅW†B±€ @zg¸AÅW†C:#:@L’I AÅW†CÂÇ@{€àAÅW†DKi˜@F˜àAÅW†DÔÈ@ Ü AÅW†E\¯÷@ú AÅW†EåS&@;*‘AÅW†Fmõ®@K*‘AÅW†Fö˜Ý@-ú AÅW†G<@5‹°ÀAÅW†Hßã@{€àAÅW†H‚k@?Ù¡@AÅW†I%š@&{€àAÅW†I¡ÈÉ@2¼@ AÅW†J*kø@ú AÅW†J³€@{€àAÅW†K;²W@{€àAÅW†KÄU†@ ú AÅW†LLø¶@S4(ÀAÅW†LÕ›=?ýú AÅW†Oz£@^‚ÊÀAÅW†P»€@U<ì€AÅW†Qûþ]@W¡‰AÅW†S<îá@VˆÁ@AÅW†T}Þ¾@S¾ ÀAÅW†U¾Îš@RX¯€AÅW†Vÿ¾w@X:° AÅW†X@®S@Sqw AÅW†Yž0@Yä@AÅW†ZÂŽ´@X:° AÅW†\~‘@Y9ñ@AÅW†]Dnn@W;nàAÅW†^…^ò@[k€ÀAÅW†_ÆNÏ@XºPÀAÅW†a>«@T ž@AÅW†bH/0@WÔ–AÅW†c‰d@XT6 AÅW†dÊA@XT6 AÅW†f þÅ@X£AÅW†gKî¢@Ylþ`AÅW†hŒÞ@ZR¹AÅW†iÍÏ@Ylþ`AÅW†k¾à@SWð AÅW†lO®¼@UVsAÅW†mŸA@YSwÀAÅW†nÑ@SñÀAÅW†p~ú@Y `AÅW†qSnÖ@\§àAÅW†r”^³@Y `AÅW†sÕN@Xm½ AÅW†u?@ZŸL€AÅW†vW.ñ@Yä@AÅW†w˜Í@X Ê AÅW†xÙR@S×‘@AÅW†zÿ.@Z%`AÅW†{Zï@X!) 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