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 = '00723539000' / Observation ID TARG_ID = '723539 ' / 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 = 501600990.41178 / Start time DATE-OBS= '2016-11-23T13:36:30.4' / Start Date TSTOP = 501601096.05012 / Stop time DATE-END= '2016-11-23T13:38:16.1' / 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 = '2016-11-23T13:38:09' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -17.20258 / UTCF at TSTART CHECKSUM= 'jLhKjLgHjLgHjLgH' / HDU checksum updated 2016-11-23T13:38:09 DATASUM = ' 0' / data unit checksum updated 2016-11-23T13:38:09 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 = '00723539000' / Observation ID TARG_ID = '723539 ' / 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 = '2016-11-23T13:38:09' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 501600990.41178 / Start time DATE-OBS= '2016-11-23T13:36:30.4' / Start Date TSTOP = 501601096.05012 / Stop time DATE-END= '2016-11-23T13:38:16.1' / Stop Date UTCFINIT= -17.20258 / 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 = 723539 / Trigger Number XRA_OBJ = 299.584533691406 / [deg] XRT RA location GRB or Object XDEC_OBJ= 35.2050399780273 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.638339996338 / 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= -17.20258 / [s] UTC Correction TIME UTCCSEC = -18 / UTC Correction Seconds UTCCSUBS= 39871 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 501601096.12654 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 501601096 / ccsds PacKeT SEConds PKTSUBS = 6327 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'UJmRXHkOUHkOUHkO' / HDU checksum updated 2016-11-23T13:38:09 DATASUM = '1210203225' / data unit checksum updated 2016-11-23T13:38:09 END AijjAApd@g8AK@hA@`dA8 @a6A~g@` ʠA@bdA $@`AQ@[yA@cA @cpA#O@RDXA.i@eA? @c APj@avAb<@apAs'@`AɆ@[*A@TAT@YJAR@VtA@g8A(@o% Ann@m A@n A+@kfA A@`A1@W/\ABF@cR"ATU@d}AeY@TAv@R4Aq@QpA,@M As.@VtA@UOA@RDXAFJ@M 1 A@S4(Aѷ@R@A @M A #^t@PܠA 4@S4(A E1@[*A W1@[mAhw@T_AyM@apA@UOAK @^5 A@RdAw@\aA@N Ac5@IA@R4A@Z:A6P@ZA&|@YA7 @PܠAI l@EAZN{@R4Ak@QA|8@PdA !@P(ĠA!g@LaA"S@SA#@RdA$;@YA%o@IJA&@X[ A( @S4(A)S;@R4A*)@SpA+:@YJA,L&W@S4(A-]l@Oa@A.n@VA/r@Z:A0?@RdA1/@b@A2>@ZA3@^5 A4W@apA5Z@VtA6@SpA8 ,g@ZA9r@V{A:,$@cA;=@\= AqN@cpA?@[*A@^ @] AAj@avAB@`AC1'@a|ADw@bLAE@d_AFC@`