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 = '01192088000' / Observation ID TARG_ID = '1192088 ' / 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 = 716434426.81012 / Start time DATE-OBS= '2023-09-15T01:33:46.8' / Start Date TSTOP = 716434532.40414 / Stop time DATE-END= '2023-09-15T01:35:32.4' / 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 = '2023-09-15T01:35:16' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -32.01066 / UTCF at TSTART CHECKSUM= 'lJYRmJXQlJXQlJXQ' / HDU checksum updated 2023-09-15T01:35:16 DATASUM = ' 0' / data unit checksum updated 2023-09-15T01:35:16 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 = '01192088000' / Observation ID TARG_ID = '1192088 ' / 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 = '2023-09-15T01:35:16' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 716434426.81012 / Start time DATE-OBS= '2023-09-15T01:33:46.8' / Start Date TSTOP = 716434532.40414 / Stop time DATE-END= '2023-09-15T01:35:32.4' / Stop Date UTCFINIT= -32.01066 / 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 = 1192088 / Trigger Number XRA_OBJ = 245.006469726562 / [deg] XRT RA location GRB or Object XDEC_OBJ= -15.6053514480591 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.594020009041 / 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= -32.01066 / [s] UTC Correction TIME UTCCSEC = -33 / UTC Correction Seconds UTCCSUBS= 49467 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 716434532.5416 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 716434532 / ccsds PacKeT SEConds PKTSUBS = 27080 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '6cai7ZZf6baf6ZYf' / HDU checksum updated 2023-09-15T01:35:16 DATASUM = '3675257587' / data unit checksum updated 2023-09-15T01:35:16 END AYgAY"AY剋@p`AYn,@VAYB@/\AYrq@ AY@AY(@ AY[W@h@AY@*jAY*@4AYD@`AY;@^AYċD@0LAYM-@ AY@lAY^t*@iq@AYY@AYo@]AY]@ AY?@@AY n@( AYE@AY %@[AY T@AY ,/@O AY @XAY =u@ AY @AY NA@SAY ^@x`AY `@}AY '@`AYqHV@AY@>YAY @:AY 1<@AYk@`AYv@@9AY"@AY-Q@AY`@ AY?@k AYǦ@AAYPJ@AY>@fAYa@@AY2@ AYr$@(AYyS@AY@/AY @AYb9@B AYh@AY@vAY/K@EAYN@EAY@}@`AY4@`AYQ@U AY{ @oS@AYc:@bAY@1 AYtc@$ AY!@P&@AYP@AY L@,`AY @ӏ@AY!6@eAY!6e@{=AY"0@ݚAY"|@`AY#BK@/AY#z@AY$Se@ AY$@O AY%d@ʠAY%O7@;AY&u@ AY&@`AY'8@( AY(ڥ@o AY(}@AY)!!@?IAY)3@{=AY*2f@DAY* @k AY+C@9gAY+PH@CAY,Tw@AY,ݖ@AY-f9@ AY-@}AY.w@@AY/"@E`AY/@AY0i@]CAY0 @kPAY1"@` AY1R@