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 = '01035922000' / Observation ID TARG_ID = '1035922 ' / 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 = 636663893.20944 / Start time DATE-OBS= '2021-03-05T19:04:53.2' / Start Date TSTOP = 636663998.77708 / Stop time DATE-END= '2021-03-05T19:06:38.8' / 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 = '2021-03-05T19:06:22' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.61594 / UTCF at TSTART CHECKSUM= 'YKfQaHZOZHfOaHZO' / HDU checksum updated 2021-03-05T19:06:22 DATASUM = ' 0' / data unit checksum updated 2021-03-05T19:06:22 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 = '01035922000' / Observation ID TARG_ID = '1035922 ' / 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 = '2021-03-05T19:06:22' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 636663893.20944 / Start time DATE-OBS= '2021-03-05T19:04:53.2' / Start Date TSTOP = 636663998.77708 / Stop time DATE-END= '2021-03-05T19:06:38.8' / Stop Date UTCFINIT= -26.61594 / 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 = 1035922 / Trigger Number XRA_OBJ = 319.784637451172 / [deg] XRT RA location GRB or Object XDEC_OBJ= 34.5820541381836 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.567640066147 / 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= -26.61594 / [s] UTC Correction TIME UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 19203 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 636663998.84504 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 636663998 / ccsds PacKeT SEConds PKTSUBS = 42252 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'OmTeRmQZOmQbOmQZ' / HDU checksum updated 2021-03-05T19:06:22 DATASUM = '3174827553' / data unit checksum updated 2021-03-05T19:06:22 END A\*A\*Ѧ A\+Q@cA\+@TA\,&@GkPA\,:@RdA\-7@M A\-s@`A\.I"@LI A\.*@H[ A\/ZiY@IJA\/ @YA\0k@T#A\0R?@H[ A\1|o@Nq A\2@K*A\2:~@LaA\3ݭ@M 1 A\3@RLA\4(#d@PA\4Ɠ@KyA\59i@LI A\5 J@RdA\6Jy@Oa@A\6R@QTA\7[@@ܠA\7䗷@JA\8m:@G8A\8@M A\9~E@PܠA\:#@N A\:@G8A\;j+@R4A\; Z@IJA\<)@QpA\L;O@DA\>@M A\?]@C4(A\?$5@FhA\@ne@ATA\@j@BDXA\A @HA\B@7kPA\BR@IA\C@GkPA\C1@IA\D+;@ApA\D@] A\E<@O١@A\E%F@@dA\FM&@@ܠA\FjU@= A\G_ @::A\G @SpA\HpS;@4A\Hj@*:A\I@@ܠA\J @= A\MƱ@5A\NOS@D#A\N@5A\O`@[mA\O=2@5A\Pq@B@A\PA@1pA\Q%p@7kPA\R ȟ@/١@A\Rk'@K*A\SV@P(ĠA\S@3A\T.T @D#A\T<@@dA\U?@6{A\U<@HA\VPz@/١@A\Vق@KyA\Wb%@> A\W@B@A\Xsk@O١@A\X@$A\Y@3A\Z Tv@::A\Z@,aA\[,@6{A\[=\@M A\\/@G8A\\@4A\]A&B@/١@A\]q@2@A\^Rl@QpA\^(@E