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 = '01013243000' / Observation ID TARG_ID = '1013243 ' / 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 = 629855847.41162 / Start time DATE-OBS= '2020-12-16T23:57:27.4' / Start Date TSTOP = 629855953.04436 / Stop time DATE-END= '2020-12-16T23:59:13.0' / 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 = '2020-12-16T23:58:53' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.1656 / UTCF at TSTART CHECKSUM= 'gGhRhFZQgFfQgFZQ' / HDU checksum updated 2020-12-16T23:58:53 DATASUM = ' 0' / data unit checksum updated 2020-12-16T23:58:53 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 = '01013243000' / Observation ID TARG_ID = '1013243 ' / 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 = '2020-12-16T23:58:53' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 629855847.41162 / Start time DATE-OBS= '2020-12-16T23:57:27.4' / Start Date TSTOP = 629855953.04436 / Stop time DATE-END= '2020-12-16T23:59:13.0' / Stop Date UTCFINIT= -26.1656 / 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 = 1013243 / Trigger Number XRA_OBJ = 16.3443355560303 / [deg] XRT RA location GRB or Object XDEC_OBJ= 16.5426692962646 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.632740020752 / 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= -26.1656 / [s] UTC Correction TIME UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 41720 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 629855953.12494 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 629855953 / ccsds PacKeT SEConds PKTSUBS = 6247 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'Aa5UAX2SAa2SAW2S' / HDU checksum updated 2020-12-16T23:58:53 DATASUM = '16210081' / data unit checksum updated 2020-12-16T23:58:53 END Ak3Ak3Ak47v`@X[ Ak4@?١@Ak5H@ ܠAk5_@&{Ak6Z@ ܠAk6⥤@ ܠAk7kH@ApAk7@,aAk8|@$Ak93 @::Ak9Ց@@Ak:x@> Ak:@@ܠAk;'@5Ak;bN@M Ak<9@{Ak<@$Ak=JK@1pAk= @@ܠAk>[:@2@Ak>4@2@Ak?l@1pAk?{ @"@Ak@~O@"@AkA@D#AkAd@"@AkB@?١@AkB @([ AkC)N<@- AkC@$AkD:@D#AkD7"@,aAkEKQ@7kPAkE}@"@AkF] @G8AkF7@= 1 AkGng@IAkG =@$AkHm@@dAkIO@/١@AkI#@?١@AkJS@*:AkJ9@@ܠAkK*ܱ@4AkK9@FhAkL<"h@Oa@AkL?@$AkMMin@,aAkM @0ܠAkN^%@0ܠAkNRT@ AkOo@3AkO@J:AkP;:@ ܠAkQ j@?١@AkQA@ApAkR%p@$AkRȟ@M AkS,k'@7kPAkSV@6{AkT=@= 1 AkTT@RLAkUN@ApAkUךk@<aAkV`=@::AkVr@ AkWq@$AkW'@ ܠAkXX@@ܠAkY m@ ܠAkY@4AkZ@> AkZW@= 1 Ak[-@ Ak[@3Ak\?@@- Ak\@> Ak]PY@4Ak])@{Ak^a̸@> Ak^o@w;Ak_s@ Ak_@1pAk`X@,aAka @B@Aka@DAkbC@@Akb@- Akc/@6{Akc+@,aAkd@@{AkdrG@2@AkeR@W/\Akeڷ@ApAkfc[@<aAkf@::Akgt4@N AkgD@*: