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 = '00510963000' / Observation ID TARG_ID = '510963 ' / 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 = 347238089.20962 / Start time DATE-OBS= '2012-01-02T23:01:29.2' / Start Date TSTOP = 347238194.81306 / Stop time DATE-END= '2012-01-02T23:03:14.8' / 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 = '2012-01-02T23:09:28' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -7.74216 / UTCF at TSTART CHECKSUM= 'fLkSgKiSfKiSfKiS' / HDU checksum updated 2012-01-02T23:09:28 DATASUM = ' 0' / data unit checksum updated 2012-01-02T23:09:28 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 = '00510963000' / Observation ID TARG_ID = '510963 ' / 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 = '2012-01-02T23:09:28' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 347238089.20962 / Start time DATE-OBS= '2012-01-02T23:01:29.2' / Start Date TSTOP = 347238194.81306 / Stop time DATE-END= '2012-01-02T23:03:14.8' / Stop Date UTCFINIT= -7.74216 / 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 = 510963 / Trigger Number XRA_OBJ = 308.451354980469 / [deg] XRT RA location GRB or Object XDEC_OBJ= 40.9980583190918 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.603439986706 / 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= -7.74216 / [s] UTC Correction TIME UTCCSEC = -8 / UTC Correction Seconds UTCCSUBS= 12892 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 347238194.84486 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 347238194 / ccsds PacKeT SEConds PKTSUBS = 42243 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'CaLPDZKOCaKOCWKO' / HDU checksum updated 2012-01-02T23:09:28 DATASUM = '4069087389' / data unit checksum updated 2012-01-02T23:09:28 END An5AnɣWAn3}@YAnE@G8AnV[@::Ang@ApAnxX@P(ĠAnϊ-@R@AnЛt@TAnѬs@6{Anҽ@EAnE@YAn?@WkPAnҞ@Oa@An@K*An\@GkPAn%@KyAn6y@K*AnH/@EAnYt@Nq AnjE@R4An|@G8AnߍH@RLAna@HAno@O١@An~@LaAn^@H[ An<@O١@An@BDXAn0@Oa@Anw@H[ An(f@^5 An:@KyAnKH@C4(An\2@K*AnmՑ@ApAn@LaAn`@M 1 An @Oa@Anl@LI An2@X[ Any)@N An濇@= An@FhAn J@IAnS@EAn+ײ@N An=q@K*AnNa@JAn_/@DAnp@RLAn4@> Any@UǤAoY@Q|Ao@O١@AoM@R@Aoؓu@EAo4@Oa@Ao@GkPAo c@QpAoP@QAo ._@N Ao @5@IAo Q|@M Ao bz@K*Ao t@K*AoM@ApAoF@M AoU@IJAo@JAod@FAo۫"@@ܠAo@C4(Ao7@SpAo|@9JAo L@X,Ao2 @T#AoCP @KyAoTh@M Aoe'@QTAow @RdAof@B@AoC@ATAo @F{Ao!8@C4(Ao"@GkPAo#m@EAo$ @N Ao&P@6{Ao'@H[ Ao(#H@G8Ao)5"@KyAo*Fi@LI Ao+W@Nq Ao,hs@B@Ao-z:@R4Ao.0@M Ao/Ǐ@= 1 Ao0 @M 1 Ao1R@B@