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 = '00332931000' / Observation ID TARG_ID = '332931 ' / 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 = 246940145.6095 / Start time DATE-OBS= '2008-10-29T02:29:05.6' / Start Date TSTOP = 246940392.13396 / Stop time DATE-END= '2008-10-29T02:33:12.1' / 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 = '2008-10-29T02:33:19' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -3.21206 / UTCF at TSTART CHECKSUM= 'nEoNnDmLnDmLnDmL' / HDU checksum updated 2008-10-29T02:33:19 DATASUM = ' 0' / data unit checksum updated 2008-10-29T02:33:19 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 = '00332931000' / Observation ID TARG_ID = '332931 ' / 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 = '2008-10-29T02:33:19' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 246940145.6095 / Start time DATE-OBS= '2008-10-29T02:29:05.6' / Start Date TSTOP = 246940392.13396 / Stop time DATE-END= '2008-10-29T02:33:12.1' / Stop Date UTCFINIT= -3.21206 / 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 = 332931 / Trigger Number XRA_OBJ = 346.683227539062 / [deg] XRT RA location GRB or Object XDEC_OBJ= -68.1686935424805 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 246.524460017681 / TSTOP - TSTART ONTIME = 244.140426635742 / Time on target LIVETIME= 244.140426635742 / Ontime multiplied by DEADC EXPOSURE= 244.140426635742 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -3.21206 / [s] UTC Correction TIME UTCCSEC = -4 / UTC Correction Seconds UTCCSUBS= 39397 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 246940392.34274 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 246940392 / ccsds PacKeT SEConds PKTSUBS = 17137 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'oO7foM4eoM4eoM4e' / HDU checksum updated 2008-10-29T02:33:19 DATASUM = '1077202181' / data unit checksum updated 2008-10-29T02:33:19 END Ap8bAplAp3@bLApV@7kPApxmAp!@iAp@f Apd@R3Ap#y@ApL@C@Ap ^@ؠAp_1@iAp@Ap@h@Ap! @́ Ap& Z\@ Ap+m@Ap0@@m Ap5@v`Ap:Z@~@Ap? @|WApD# @z'ApI'}@wApN+U@u+ApS/b@t ApX2@qAp]6F@ql Apb:Q@o@Apg>+@ljAplA@jYApqEq@hApvIN@g!`Ap{MV@f@ApP@cqw ApT;@c ] ApXL@bAp\ @`Ap_˒@_ΟApcf@^Q`ApgG@] Apk @]飠Apnƽ@ZLApr/@YApvE@ZApz@YAp}@WAp@WԖApƅCl@WT`Apˉ?@W;nApЌP@VU@ApՐ$@U#fApڔ>@TYApߘ@SAp䛽{@TKAp|@SAp<`@S$Ap@S@Ap@RPApz@S$Ap:*@S>j Ap@Rr6Ap @RXApu@Q{@Ap5T@R Apf@R%`Ap ȴ9@QAp%s@Q?Ap*3@R Ap/@Q`Ap4ׯd@Q&a@Ap9qv@R%`Ap>0@QYn@ApC@PZ- ApH@Q?ApMl@RXApR,@Q?ApW@Q?Ap\@PG Apajj@QrApf'=@R?)AplO@PsApq"@PT@Apve@PAp{ '@P: Apz@PAp@Q`Apc^@Q`Ap"@PT@ApC@PG Ap"@Q Ap&a(@QAp*@Q&a@Ap- @R Ap1@R?)Ap5\S@Q`Ap9d@Q{@Ap<8@P Ap@@PsApDZ@R ApH@Q`