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 = '00278987000' / Observation ID TARG_ID = '278987 ' / 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 = 200470932.59436 / Start time DATE-OBS= '2007-05-10T06:22:12.6' / Start Date TSTOP = 200471181.99864 / Stop time DATE-END= '2007-05-10T06:26:22.0' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.20' / Program that created this FITS file TLM2FITS= 'V3.20 ' / Telemetry converter version number DATE = '2007-05-10T06:30:32' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -1.94498 / UTCF at TSTART CHECKSUM= 'fLhKhLhKfLhKfLhK' / HDU checksum updated 2007-05-10T06:30:32 DATASUM = ' 0' / data unit checksum updated 2007-05-10T06:30:32 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 = '00278987000' / Observation ID TARG_ID = '278987 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.20' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.20 ' / 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 = '2007-05-10T06:30:32' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 200470932.59436 / Start time DATE-OBS= '2007-05-10T06:22:12.6' / Start Date TSTOP = 200471181.99864 / Stop time DATE-END= '2007-05-10T06:26:22.0' / Stop Date UTCFINIT= -1.94498 / 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 = 278987 / Trigger Number XRA_OBJ = 343.026733398438 / [deg] XRT RA location GRB or Object XDEC_OBJ= 47.930549621582 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 249.404280006886 / TSTOP - TSTART ONTIME = 246.715057373047 / Time on target LIVETIME= 246.715057373047 / Ontime multiplied by DEADC EXPOSURE= 246.715057373047 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -1.94498 / [s] UTC Correction TIME UTCCSEC = -2 / UTC Correction Seconds UTCCSUBS= 2751 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 200471182.04476 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 200471182 / ccsds PacKeT SEConds PKTSUBS = 2238 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5ApPA4nO6AnOA3nO' / HDU checksum updated 2007-05-10T06:30:32 DATASUM = '2236493535' / data unit checksum updated 2007-05-10T06:30:32 END A)0OA*)@F{A,KA5qv@6U@A:.I@2ɀA?@1`AD.@5 AIj@2XAN&@/ASG@3$AX@1&a@A]b@1`Ab!@3Ag@3$AlĞE@1`Aq]@1&a@Av@2ɀA{@1`Aәp@2ɀAVC@3$A@3A҉@1`A@3$AN@/A @1{@Aͳ@1&a@A@0G AGZ@2XA@2ɀA?@/A@1`AB@4KAX@1`A ,@1&a@A{@2XA;@1`A@1&a@A@0G Av@,UA"3@3$A%o@1&a@A)@2XA-oT@1{@A1,(@1&a@A4@1&a@A8 @1`A