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 = '00762535000' / Observation ID TARG_ID = '762535 ' / 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 = 521728350.0082 / Start time DATE-OBS= '2017-07-14T12:32:30.0' / Start Date TSTOP = 521728455.61862 / Stop time DATE-END= '2017-07-14T12:34:15.6' / 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 = '2017-07-14T12:42:03' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -19.36768 / UTCF at TSTART CHECKSUM= 'kFfOlFfOkFfOkFfO' / HDU checksum updated 2017-07-14T12:42:03 DATASUM = ' 0' / data unit checksum updated 2017-07-14T12:42:03 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 = '00762535000' / Observation ID TARG_ID = '762535 ' / 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 = '2017-07-14T12:42:03' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 521728350.0082 / Start time DATE-OBS= '2017-07-14T12:32:30.0' / Start Date TSTOP = 521728455.61862 / Stop time DATE-END= '2017-07-14T12:34:15.6' / Stop Date UTCFINIT= -19.36768 / 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 = 762535 / Trigger Number XRA_OBJ = 34.345027923584 / [deg] XRT RA location GRB or Object XDEC_OBJ= 1.98911964893341 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.610419988632 / 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= -19.36768 / [s] UTC Correction TIME UTCCSEC = -20 / UTC Correction Seconds UTCCSUBS= 31616 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 521728455.64484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 521728455 / ccsds PacKeT SEConds PKTSUBS = 32242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '2jdW3hZT2hdT2hZT' / HDU checksum updated 2017-07-14T12:42:03 DATASUM = '2553957105' / data unit checksum updated 2017-07-14T12:42:03 END A^eA^oǤA_@bDXA`a@R4Aa$"@QAb51@WDAcG1@X,AdXw@SAeiM@SAf{\@RDXAgHk@QTAh@UǤAi(@bDXAj7@UǤAk`@Q|Al⥤@TAm@aAo1@Q|Apwp@T_Aq'@M Ar9@KyAsJG@]F% At[L@V{AulԪ@YAv~ @YAw`@PAx'@hAy@M Az1@P(ĠA{v@R4A|Q@ZvA}`@Nq AGo@PdA@X,A*,@N A<@[*AM^J@d#A^@nS Ao@`A1f@] Avu@VA񈣼@] A@W/\AHA@] A׍P@R4AӮ@SA @T_A ]@V?A+@aTA-@N A?0@SAPu@YJAa@VhAse@Q|AG@RdA񗕌@PA1@PA@\aA^@arAڣ@VtA @\= A0j@TAuy@YA@T#A1@SpABGE@UǤAST@VhAdҳ@K*Av@QTA^ @[mA񧘤@WDA@[*A/@UAvK@YAݻZ@LI Ai@Oa@AF@SA&@X[ A"5@UA4D@TAE]@M 1 AV@SpAg@T#Ay/o@LI At~@P(ĠA񷛺@UA@[*AFJ@VAό@V{A@Nq A@W8A]%@SA@O١@A%@] A7.@PAHt@V?AY^@O١@Ajm@V{A|E@ZvAƍ*@]