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 = '00954840000' / Observation ID TARG_ID = '954840 ' / 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 = 602738941.99304 / Start time DATE-OBS= '2020-02-07T03:29:02.0' / Start Date TSTOP = 602739190.38252 / Stop time DATE-END= '2020-02-07T03:33:10.4' / 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 = '2020-02-07T03:34:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -24.39248 / UTCF at TSTART CHECKSUM= 'kIfNkHfLkHfLkHfL' / HDU checksum updated 2020-02-07T03:34:36 DATASUM = ' 0' / data unit checksum updated 2020-02-07T03:34:36 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 = '00954840000' / Observation ID TARG_ID = '954840 ' / 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 = '2020-02-07T03:34:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 602738941.99304 / Start time DATE-OBS= '2020-02-07T03:29:02.0' / Start Date TSTOP = 602739190.38252 / Stop time DATE-END= '2020-02-07T03:33:10.4' / Stop Date UTCFINIT= -24.39248 / 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 = 954840 / Trigger Number XRA_OBJ = 163.604583740234 / [deg] XRT RA location GRB or Object XDEC_OBJ= -49.5772590637207 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 248.389479994774 / TSTOP - TSTART ONTIME = 245.275268554688 / Time on target LIVETIME= 245.275268554688 / Ontime multiplied by DEADC EXPOSURE= 245.275268554688 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -24.39248 / [s] UTC Correction TIME UTCCSEC = -25 / UTC Correction Seconds UTCCSUBS= 30376 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 602739190.44488 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 602739190 / ccsds PacKeT SEConds PKTSUBS = 22244 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'WpaNXmaKWmaKWmaK' / HDU checksum updated 2020-02-07T03:34:36 DATASUM = '2469404480' / data unit checksum updated 2020-02-07T03:34:36 END A~A=w@X[ A @PdAN8AM@/A*@.OAZ@-A@+!@Aܕ@+!@A@+!@A^uy@+!@Ae@.OAU@0G A!E@+!@Ab5@,UA%p@,UAM@,UA%)@/Ae@+!@A@=oAԿ@+ A(Ĝ@+!@Aix@*RAU@+ A1@+ A,@,UAms@-Ac@,UAS@*RA0B@*RAq2@*RA"@-Ao@2XA4K@0Z- At(@+ A@+ A@+!@A7@,UAx@+!@Aw@/AS@+ A;0@-A|q @,UA`@,UAP@,UA?@@,UA0@/A \@-A8@.OAC@+ A@+!@A@/Aϫ@.OAF@,UAd@)AȟA@.OA @*RAJ~@+!@AƋn@)A^@1{@A N@,UAN>l@-Aˏ.I@,UA&@*RA@+!@AQ7@3AВ@-A@.OA@,UAU@*RAՖ@(PAלc@*RA?@-AY|@,UAښk@+!@A[@/AK@)A];@+!@Aߞ*@+!@A@+!@A |@/A`Y@0G A6@+ A@)A#@)Ad@,UA饩@,UA晅@*RA'@+!@Ahx@.OAhs@/AXO@*RA+H,@-Al8 @*RA'@-A@*RA/@/Ao{@+!@AX@)A4@)