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 = '00937114000' / Observation ID TARG_ID = '937114 ' / 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 = 595510690.60904 / Start time DATE-OBS= '2019-11-15T11:38:10.6' / Start Date TSTOP = 595510935.70752 / Stop time DATE-END= '2019-11-15T11:42:15.7' / 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 = '2019-11-15T11:44:58' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -23.92492 / UTCF at TSTART CHECKSUM= 'dHgNeHZNdHdNdHZN' / HDU checksum updated 2019-11-15T11:44:58 DATASUM = ' 0' / data unit checksum updated 2019-11-15T11:44:58 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 = '00937114000' / Observation ID TARG_ID = '937114 ' / 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 = '2019-11-15T11:44:58' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 595510690.60904 / Start time DATE-OBS= '2019-11-15T11:38:10.6' / Start Date TSTOP = 595510935.70752 / Stop time DATE-END= '2019-11-15T11:42:15.7' / Stop Date UTCFINIT= -23.92492 / 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 = 937114 / Trigger Number XRA_OBJ = 292.196472167969 / [deg] XRT RA location GRB or Object XDEC_OBJ= 38.7425537109375 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 245.098479986191 / 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= -23.92492 / [s] UTC Correction TIME UTCCSEC = -24 / UTC Correction Seconds UTCCSUBS= 3754 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 595510935.84486 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 595510935 / ccsds PacKeT SEConds PKTSUBS = 42243 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'DdKWFbJUDbJUDbJU' / HDU checksum updated 2019-11-15T11:44:58 DATASUM = '3649503360' / data unit checksum updated 2019-11-15T11:44:58 END AbMAbфAbͰ@RLAbVT @  Ab<@,aAbgkAbD|@/AbE4Y@2ɀAb؆$5@6U@Ab@5 Ab@2ɀAbH@0Z- Ab݉@4KAbӄ@-Ab @0Z- AbL@1`Ab⍣@,UAbΓ@-Ab{@/& AbPsX@/Abc@0Z- AbS@1{@AbC@0G AbT3r@0G Ab#O@,UAb@+!@Ab@.OAbW@-Abi@1{@AbF@/Ab"@/Ab[@.OAb@/Abݒ@/& Ab@2ɀAb_rq@0Z- Abb@*RAbR@-Ab"B@-Abc2@,UAc"h@0Z- AcE@)Ac&!@,UAcf@,UAc@0G Acѷ@/& Ac);@+!@Ac j@*RAc @1{@Ac y@0G Ac -V@/Acnr2@-Acb@+!@AcQ@,UAc1A@-Acr2M@+!@Ac")@,UAc@*RAc5@,UAcu@,UAc@0Z- Acx@)Ac8U@0G Acy1@0Z- Ac@1&a@Ac@1`Ac!@6@Ac?S@8T6Ac@A@7!`AcA@7!`AcC@9AcDV@=oAcE@E AcFؠ@J AcHm@; AcIZI@? AcJp@?&