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 = '01036990000' / Observation ID TARG_ID = '1036990 ' / 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 = 637478668.19388 / Start time DATE-OBS= '2021-03-15T05:24:28.2' / Start Date TSTOP = 637478773.79218 / Stop time DATE-END= '2021-03-15T05:26:13.8' / 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 = '2021-03-15T05:25:57' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.66994 / UTCF at TSTART CHECKSUM= 'ZEaNgBWNZBaNfBUN' / HDU checksum updated 2021-03-15T05:25:57 DATASUM = ' 0' / data unit checksum updated 2021-03-15T05:25:57 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 = '01036990000' / Observation ID TARG_ID = '1036990 ' / 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 = '2021-03-15T05:25:57' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 637478668.19388 / Start time DATE-OBS= '2021-03-15T05:24:28.2' / Start Date TSTOP = 637478773.79218 / Stop time DATE-END= '2021-03-15T05:26:13.8' / Stop Date UTCFINIT= -26.66994 / 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 = 1036990 / Trigger Number XRA_OBJ = 299.739807128906 / [deg] XRT RA location GRB or Object XDEC_OBJ= 35.4067039489746 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.598299980164 / 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= -26.66994 / [s] UTC Correction TIME UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 16503 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 637478773.94152 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 637478773 / ccsds PacKeT SEConds PKTSUBS = 47076 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'JTH5JSH3JSH3JSH3' / HDU checksum updated 2021-03-15T05:25:57 DATASUM = '7060531 ' / data unit checksum updated 2021-03-15T05:25:57 END AAO/A5~@ @Aخ@KA{@eA1d@J}A@ABd@0C A@EAS"@7 AM@ǠAd@ A@`Av77@HAf@ջA|@`A @QAL@`A!f{@.)A @vA22@S@AOa@#AC@mA̕@;AU8G@Aw@Af~@ 1 A!@Aw]@@Ag@ A @YA@25AQ@}A"@A@A4:@@A/@rAE^@+`A"@ AV@L AiD@]@Ah t@ A@QAyR*@sAZ@@A@A;@A@@e+A$o@5@A$@rA5@@Aj@e+AG @\@Aϰ@ʤ@AXS@A@N֠Ai@ƾA<@(+ Az@A'@5[A&W@A@`_Al @NA&=@F Al@&A7U@A#@f^AHR@\z@A>@@AY@A8@Ak'g@Aʗ@@A|m@EA@ A}@lAV@`A@n@A' @;A?@zA8@YA@AJ) @GX AO@k@A[o~@ZA@Al@n@AY @K`A};@A@0܀AA@zA!@]@AQ@SA)*@= A@`A:q7@Af@RAK@AZ@ `A\L@"