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 = '00897653000' / Observation ID TARG_ID = '897653 ' / 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 = 576510653.60816 / Start time DATE-OBS= '2019-04-09T13:50:53.6' / Start Date TSTOP = 576510900.14116 / Stop time DATE-END= '2019-04-09T13:55:00.1' / 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 = '2019-04-09T14:02:35' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -22.71116 / UTCF at TSTART CHECKSUM= 'gHbQiGZNgGaNgGYN' / HDU checksum updated 2019-04-09T14:02:35 DATASUM = ' 0' / data unit checksum updated 2019-04-09T14:02:35 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 = '00897653000' / Observation ID TARG_ID = '897653 ' / 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 = '2019-04-09T14:02:35' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 576510653.60816 / Start time DATE-OBS= '2019-04-09T13:50:53.6' / Start Date TSTOP = 576510900.14116 / Stop time DATE-END= '2019-04-09T13:55:00.1' / Stop Date UTCFINIT= -22.71116 / 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 = 897653 / Trigger Number XRA_OBJ = 324.826934814453 / [deg] XRT RA location GRB or Object XDEC_OBJ= -46.607234954834 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 246.532999992371 / TSTOP - TSTART ONTIME = 244.140426635742 / Time on target LIVETIME= 244.140426635742 / Ontime multiplied by DEADC EXPOSURE= 244.140426635742 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -22.71116 / [s] UTC Correction TIME UTCCSEC = -23 / UTC Correction Seconds UTCCSUBS= 14442 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 576510900.24484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 576510900 / ccsds PacKeT SEConds PKTSUBS = 12242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'jpl8lnj6jnj6jnj6' / HDU checksum updated 2019-04-09T14:02:35 DATASUM = '2685116927' / data unit checksum updated 2019-04-09T14:02:35 END A.m^0A.m_A.m_M@PܠA.m_($@ATA.m`^SA.mb@ G A.md;@&U@A.me|@% A.mf @$KA.mg@$KA.mi?@#$A.mj@ G A.mk@% A.mm{ @#$A.mnCj@!{@A.moZ@% A.mpI@'A.mr9.@)A.msG) @$KA.mt@@$KA.mut@'A.mw @$KA.mxJ@$KA.myջ@#A.mzŗ@#A.m| @'!`A.m}N@% A.m~@)A.mЃ@'A.ms@$KA.mRb@(PA.mR@*RA.mA@% A.m1@#$A.mV @$KA.m@(PA.m@UA.m@#$A.mY@"XA.m@OA.m۾@#A.m@$KA.m]@$KA.m@'!`A.m|@$KA.m l"@$KA.ma[@'!`A.mK4@#$A.m;@'A.m$*E@% A.me"@'!`A.m W@)A.m3@*RA.m'h@"XA.mhם@$KA.m@&U@A.m궮@*RA.m+@"XA.ml@#$A.m@!{@A.mt@!{@A.m/d@"XA.mpS@!{@A.mC@'!`A.m2@&U@A.m3"@"XA.mt@)A.m@#$A.m@% A.m6@& A.mw@#A.m@"XA.m@'A.m:@#A.m{@#A.m~(@&U@A.mn@% A.m>\@"XA.mLn@& A.m