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 = '00338633000' / Observation ID TARG_ID = '338633 ' / 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 = 252362305.41386 / Start time DATE-OBS= '2008-12-29T20:38:25.4' / Start Date TSTOP = 252362445.23478 / Stop time DATE-END= '2008-12-29T20:40:45.2' / 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 = '2008-12-30T20:49:35' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -3.37666 / UTCF at TSTART CHECKSUM= 'fGiQhEgNfEgNfEgN' / HDU checksum updated 2008-12-30T20:49:35 DATASUM = ' 0' / data unit checksum updated 2008-12-30T20:49:35 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 = '00338633000' / Observation ID TARG_ID = '338633 ' / 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 = '2008-12-30T20:49:35' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 252362305.41386 / Start time DATE-OBS= '2008-12-29T20:38:25.4' / Start Date TSTOP = 252362445.23478 / Stop time DATE-END= '2008-12-29T20:40:45.2' / Stop Date UTCFINIT= -3.37666 / 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 = 338633 / Trigger Number XRA_OBJ = 37.3202209472656 / [deg] XRT RA location GRB or Object XDEC_OBJ= -25.1449375152588 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 139.820920020342 / TSTOP - TSTART ONTIME = 137.595428466797 / Time on target LIVETIME= 137.595428466797 / Ontime multiplied by DEADC EXPOSURE= 137.595428466797 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -3.37666 / [s] UTC Correction TIME UTCCSEC = -4 / UTC Correction Seconds UTCCSUBS= 31167 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 252362445.32636 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 252362445 / ccsds PacKeT SEConds PKTSUBS = 16318 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'YD7Fa94DTA4DY94D' / HDU checksum updated 2008-12-30T20:49:35 DATASUM = '1810724141' / data unit checksum updated 2008-12-30T20:49:35 END A|uA|AA| 9@o@A|ݕW@ZA|"@^q A|"@V?A|E;@] A|gK@[fA|U@b&^A|@UA|n@VhA|@@TA|@P(ĠA|7@UA|Y9@T#A||(@J:A|@W8A|Bp@LI A|-@M A|[@HA|(@IJA|Kud@GkPA|n!@M A|@G8A|@::A|ըX@IJA|5@@ܠA|4@;*A|=K@> A|_خ@?١@A|b@BDXA|¤@::A||F@::A| @ApA| @?١@A|/"}@::A|Q:@3A|t;@7kPA|і@IA|ӹR@7kPA|ߏ@4A|lL@;*A| @C4(A|C@M 1 A|f@3A|A@?١@A|+@9JA|Ͷ@5A|B@/١@A|@"@A|5Y@&{A|Wq@$A|zs.@2@A|@&{A|󿌨@"@A|e@?١@A|"@"@A|'2@QpA|I@CA|lI@*:A}w@0ܠA}c5@0ܠA}@8[ A}z@&{A} @= 1 A} ;@:A} ^ G@DA}@  A}9@([ A}~@@A}S;@$A} Y@8[ A}-j@&{A}O@1pA}r@::A} M@{A}" @5A}$)@@dA}&? 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