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 = '01005428000' / Observation ID TARG_ID = '1005428 ' / 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 = 626780786.41316 / Start time DATE-OBS= '2020-11-11T09:46:26.4' / Start Date TSTOP = 626781031.50314 / Stop time DATE-END= '2020-11-11T09:50:31.5' / 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 = '2020-11-11T09:50:24' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -25.96272 / UTCF at TSTART CHECKSUM= 'dOdUeNcRdNcRdNcR' / HDU checksum updated 2020-11-11T09:50:24 DATASUM = ' 0' / data unit checksum updated 2020-11-11T09:50:24 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 = '01005428000' / Observation ID TARG_ID = '1005428 ' / 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 = '2020-11-11T09:50:24' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 626780786.41316 / Start time DATE-OBS= '2020-11-11T09:46:26.4' / Start Date TSTOP = 626781031.50314 / Stop time DATE-END= '2020-11-11T09:50:31.5' / Stop Date UTCFINIT= -25.96272 / 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 = 1005428 / Trigger Number XRA_OBJ = 277.703277587891 / [deg] XRT RA location GRB or Object XDEC_OBJ= -6.74643468856812 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 245.089980006218 / TSTOP - TSTART ONTIME = 242.700622558594 / Time on target LIVETIME= 242.700622558594 / Ontime multiplied by DEADC EXPOSURE= 242.700622558594 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -25.96272 / [s] UTC Correction TIME UTCCSEC = -26 / UTC Correction Seconds UTCCSUBS= 1864 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 626781031.64482 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 626781031 / ccsds PacKeT SEConds PKTSUBS = 32241 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'WaFcaTEZWYEaaYEY' / HDU checksum updated 2020-11-11T09:50:24 DATASUM = '582216491' / data unit checksum updated 2020-11-11T09:50:24 END A­94mA­9kA­9v@RLA­:<@1pA­:Ľ@0ܠA­;M`BA­=e@OA­?+ B@'!`A­@k@'A­A@+ A­B@#$A­D.\@'!`A­Eo9@% A­F@&U@A­G@*RA­I2v@% A­JsyS@'A­Ki/@&U@A­LY @$KA­N6H@% A­Ow8@#$A­P)J@% A­Q&@#$A­S: @'A­Tz@'A­U@)A­Vؙ@!{@A­X=@$KA­Y~@#A­Z@$KA­\@(PA­]A@(PA­^xl@#A­_h@'A­aX@$KA­bEH@'!`A­c8@% A­d(c@*RA­f@@'!`A­gI@,UA­h@$KA­i}@(PA­k Z@$KA­lL6@#$A­m@'!`A­nΨ@&U@A­p@'A­qP@'!`A­rx@&U@A­sh@+ A­uX@#$A­vTI@'!`A­w8@"XA­x(@)A­z@$KA­{X@'!`A­|b@&U@A­}@'!`A­@$KA­[ȟ@% A­|@% A­ݨX@#A­5@ G A­_@'!`A­x@#$A­hs@&U@A­"XO@*RA­cH,@#$A­8 @$KA­(@&U@A­&j@$KA­gF@#$A­#@(PA­@)A­)؄@'!`A­j`@% A­=@&U@A­@)A­-@#A­n@#$A­xW@#A­h4@$KA­1X@*RA­rG@#A­7@ G A­'@&U@A­5+@&U@A­v@ G A­@#A­@#A­8ם@"XA­yz@&U@A­@+ A­@&U@A­<@"XA­}@(PA­wp@(PA­g@% A­@W@& A­G@*R