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 = '00373458000' / Observation ID TARG_ID = '373458 ' / 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 = 277767496.0078 / Start time DATE-OBS= '2009-10-20T21:38:16.0' / Start Date TSTOP = 277767601.6187 / Stop time DATE-END= '2009-10-20T21:40:01.6' / 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 = '2009-10-20T21:40:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -5.18866 / UTCF at TSTART CHECKSUM= '2JlL5GlK2GlK2GlK' / HDU checksum updated 2009-10-20T21:40:04 DATASUM = ' 0' / data unit checksum updated 2009-10-20T21:40:04 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 = '00373458000' / Observation ID TARG_ID = '373458 ' / 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 = '2009-10-20T21:40:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 277767496.0078 / Start time DATE-OBS= '2009-10-20T21:38:16.0' / Start Date TSTOP = 277767601.6187 / Stop time DATE-END= '2009-10-20T21:40:01.6' / Stop Date UTCFINIT= -5.18866 / 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 = 373458 / Trigger Number XRA_OBJ = 175.707611083984 / [deg] XRT RA location GRB or Object XDEC_OBJ= 50.985466003418 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.610900044441 / 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= -5.18866 / [s] UTC Correction TIME UTCCSEC = -6 / UTC Correction Seconds UTCCSUBS= 40567 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 277767601.64486 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 277767601 / ccsds PacKeT SEConds PKTSUBS = 32243 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'ZQLWcOJTZOJTbOJT' / HDU checksum updated 2009-10-20T21:40:04 DATASUM = '766719082' / data unit checksum updated 2009-10-20T21:40:04 END AeH.AeHomAeI @] 1 AeJS@WDAeK$@Q|AeL5@UOAeMG$t@TAeNXj@QpAeOi1@TAePz@J:AeQ<@EAeR@F{AeS\@PܠAeT@H[ AeUV@VhAeV@F{AeW7@RdAeY&@LI AeZl@BDXAe['@?١@Ae\8b@BDXAe]J>@N Ae^[@aAe_l}@R@Ae`~@@dAeaV@M Aeb@@dAecX@P(ĠAed(@M 1 Aeem@1pAef$@J:Aeg@KyAei@@JAej@C4(Aek*O@<aAel<@@dAemMY @ATAen^@QAeooz@B@Aep)@DAeqo@4AerF@@ܠAes@2@AetC@4Aeu׈@> Aevp@IJAew@5Aey [-@?١@Aez@BDXAe{-K@0ܠAe|?+@= 1 Ae}Pr@> Ae~ag@6{Aerv@0ܠAeC@5Ae3@/١@AeБ@7kPAe@= 1 AeZ@9JAeڡ@6{Aem@9JAe-@= 1 Aer@0ܠAe9@1pAe0@F{AeBE@;*AeST@3Aedҳ@4Aev@8[ Ae^ @;*Ae/@0ܠAe@4Ae/@4Aet@= 1 AeݻZ@HAe@3AeH@7kPAe&@J:Ae"ӄ@G8Ae4@*:AeE`B@B@AeVQ@9JAeg`@0ܠAey0@3Aew@9JAe{@7kPAe@9JAeJ8@7kPAeϏG@B@Aeզ@5Ae@DAebc@/١@Ae"@EAe%@= 1 Ae72@1pAeHy>@ApAeY@BDXAek@,aAe|K @= 1 Aeh@5