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 = '00316063000' / Observation ID TARG_ID = '316063 ' / 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 = 236985391.60786 / Start time DATE-OBS= '2008-07-05T21:16:31.6' / Start Date TSTOP = 236985497.20236 / Stop time DATE-END= '2008-07-05T21:18:17.2' / 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 = '2008-07-05T21:18:23' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.91854 / UTCF at TSTART CHECKSUM= 'eKcLeKcLeKcLeKcL' / HDU checksum updated 2008-07-05T21:18:23 DATASUM = ' 0' / data unit checksum updated 2008-07-05T21:18:23 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 = '00316063000' / Observation ID TARG_ID = '316063 ' / 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 = '2008-07-05T21:18:23' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 236985391.60786 / Start time DATE-OBS= '2008-07-05T21:16:31.6' / Start Date TSTOP = 236985497.20236 / Stop time DATE-END= '2008-07-05T21:18:17.2' / Stop Date UTCFINIT= -2.91854 / 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 = 316063 / Trigger Number XRA_OBJ = 130.244506835938 / [deg] XRT RA location GRB or Object XDEC_OBJ= -45.099494934082 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.594500005245 / 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= -2.91854 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 4073 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 236985497.26312 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 236985497 / ccsds PacKeT SEConds PKTSUBS = 13156 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '2Fne49mZ2Cmb29mZ' / HDU checksum updated 2008-07-05T21:18:23 DATASUM = '1613107175' / data unit checksum updated 2008-07-05T21:18:23 END A@8_79mA@8`A@8a.@cA@8cQpP@> A@8esn@"@A@8g+@@dA@8i@3A@8k۠@M 1 A@8m-b@Nq A@8p @9JA@8rCD=@2@A@8te@@ܠA@8v]@> A@8xt@D#A@8zq@9JA@8|@DA@8n@F{A@85+@1pA@8W@= A@8z1@@dA@8@= 1 A@8H@<aA@8=@M A@8a@= A@8&@GkPA@8Ix@@dA@8l@FhA@8O@R4A@8 @$A@8ӫ@DA@85@9JA@8@5A@8;L@5A@8]@?١@A@8f<@FA@8@@ܠA@8@2@A@8 @ATA@8 @/١@A@8-#O@CA@8O @DA@8r:*@0ܠA@8@([ A@8S@ ܠA@8a@;*A@8m@;*A@8@HA@8AZ@- A@8d@([ A@8ņ@3A@8ǩ'@2@A@8˴N@2@A@8A @R4A@8)@/١@A@83W@ A@8U@?١@A@8xqa@,aA@8֚@B@A@8ؽ<@*:A@8@B@A@8@0ܠA@8%.s@"@A@8G0@/١@A@8jEN@ A@8l@*:A@8\)@KyA@8@HA@8u@:A@8`@B@A@89~@7kPA@8\;@6{A@8~@6{A@82@BDXA@8ÿr@,aA@8I@@A@8M@R4A@8+c @([ A@9M@> A@9p|@@A@9 B@ ܠA@9@@A@9 ~@> A@9 ;@6{A@96@J:A@9?õ@$A@9bM@*:A@9ڐ@JA@9gM@,aA@9 @ ܠA@9@([ A@9 @&{A@91@<aA@9!T$_@5A@9#v@9JA@9%=@JA@9'ʗ@8[ A@9)T@D#A@9,@([ A@9.#k@/١@A@90EM@