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 = '01125354000' / Observation ID TARG_ID = '1125354 ' / 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 = 685877137.39302 / Start time DATE-OBS= '2022-09-26T09:25:37.4' / Start Date TSTOP = 685877242.97738 / Stop time DATE-END= '2022-09-26T09:27:23.0' / 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 = '2022-09-26T09:27:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -29.92734 / UTCF at TSTART CHECKSUM= 'ZDaKeDWKZDaKbDUK' / HDU checksum updated 2022-09-26T09:27:13 DATASUM = ' 0' / data unit checksum updated 2022-09-26T09:27:13 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 = '01125354000' / Observation ID TARG_ID = '1125354 ' / 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 = '2022-09-26T09:27:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 685877137.39302 / Start time DATE-OBS= '2022-09-26T09:25:37.4' / Start Date TSTOP = 685877242.97738 / Stop time DATE-END= '2022-09-26T09:27:23.0' / Stop Date UTCFINIT= -29.92734 / 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 = 1125354 / Trigger Number XRA_OBJ = 245.01579284668 / [deg] XRT RA location GRB or Object XDEC_OBJ= -16.0435829162598 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.584360003471 / 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= -29.92734 / [s] UTC Correction TIME UTCCSEC = -30 / UTC Correction Seconds UTCCSUBS= 3633 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 685877243.14224 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 685877243 / ccsds PacKeT SEConds PKTSUBS = 7112 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '8LZX8JZV8JZV8JZV' / HDU checksum updated 2022-09-26T09:27:13 DATASUM = '910568835' / data unit checksum updated 2022-09-26T09:27:13 END ApȲN{Ap%Ap.g@pApɷ@Ap@3@2@ApM@s=ApQy}@ŭ@Ap@^Apb4@Apbc@k@Apt@Ap@ Ap΅KI@ŭ@Ap x@h@Apϖ@РAp4/@H@ApЧ^@``Ap0z@Apѹ@x܀ApAD@8Apcs@`ApS@?Ap۩*@l7 ApdLY@^)Ap0@Apu@?@ Ap5@Apֆ@Ap|F@Apט@ Ap @РApةe,@@Ap2[@٠Apٺ@fApCN@,@ApA@ApT@p Ap6@X Ape'@-sAp}V@+ Apw@u@Ap @\ Apވf<@XAp@QApߙ@9@Ap"O"@d@ApR@Ap3@Ap8 @%ApD8@12Ap}@ApV @gAp@ ApggM@Ap @ RApx@ApP3@ Apb@% Ap@F Ap9@˔Ap#H@<Ap~@ZjAp5!@`Ap.@<ApFh^@f @Ap @ӠApW@u@ApQD@σ@Aph@~Ap@iApz:*@ApY@Ap@cAp#@"5Ap?@X Ap%in@,Ap @Ap6%@z@ApRT@yApG@7IApИ @`ApY;:@xdApj@I Apj@KAp$ @+Ap{P@5@Api@ ʠAp @8`Ap6@%}@ApSe@ `Ap&@`Ap@^Ap8