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 = '00317508000' / Observation ID TARG_ID = '317508 ' / 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 = 238328832.4117 / Start time DATE-OBS= '2008-07-21T10:27:12.4' / Start Date TSTOP = 238328938.02486 / Stop time DATE-END= '2008-07-21T10:28:58.0' / 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 = '2008-07-21T10:29:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.9575 / UTCF at TSTART CHECKSUM= '1LiO2IgM1IgM1IgM' / HDU checksum updated 2008-07-21T10:29:10 DATASUM = ' 0' / data unit checksum updated 2008-07-21T10:29:10 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 = '00317508000' / Observation ID TARG_ID = '317508 ' / 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 = '2008-07-21T10:29:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 238328832.4117 / Start time DATE-OBS= '2008-07-21T10:27:12.4' / Start Date TSTOP = 238328938.02486 / Stop time DATE-END= '2008-07-21T10:28:58.0' / Stop Date UTCFINIT= -2.9575 / 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 = 317508 / Trigger Number XRA_OBJ = 224.463928222656 / [deg] XRT RA location GRB or Object XDEC_OBJ= -11.790379524231 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.61315998435 / 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= -2.9575 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 2125 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 238328938.04786 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 238328938 / ccsds PacKeT SEConds PKTSUBS = 2393 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'jdAMmZ6JjdAJjZ5J' / HDU checksum updated 2008-07-21T10:29:10 DATASUM = '4211705123' / data unit checksum updated 2008-07-21T10:29:10 END Ai8XAi8&Ai8!@lC Ai8@jAi88@m(+ Ai8 ;X@kAi8 ^Ov@cpAi8 ٔ@fnAi8fQ@kgAi8@pͣAi8@eAi8 @gMVAi8-@d_Ai8P#d@iJAi8r@g/\Ai8:?@d#Ai8 @hAi8"Q@eǤAi8$8@f?Ai8'g@gbAi8)A@kyAi8+do@ftAi8- @dAi8/J@fAi81%@b4Ai83@f]Ai86;@gbAi883ȟ@cAi8:VR@emAi8i@dAi8@U@hAi8B@d#Ai8E 0@pܠAi8G%@dAi8IH&@ajAi8Kjh@g8Ai8M=@eAi8OC@bDXAi8QTa@c4(Ai8S@b:Ai8Vk<@cAi8X9@hAi8Z\@`ܠAi8\@aAi8^@hAi8`(N@g8Ai8bl@^ Ai8e ?)@bFAi8g+@cR"Ai8iNV@eAi8kp"@c4(Ai8ml@`Ai8o@fhAi8q؆Y@_a@Ai8sw@_% Ai8v4@c Ai8x@)@dAAi8zb@ZvAi8|@@_١@Ai8~͊@cAi8W@e1Ai8@bDXAi8n@g8Ai81@@] Ai8T@cAi8w@cR"Ai8@] 1 Ai8+@` ʠAi8޸R@c Ai8Bp@b@Ai8#-@apAi8FYK@`dAi8hi@`Ai8p&@arAi8@eOAi8Љ@dAi8@` ʠAi8{@bbRAi88-8@^5 Ai8Z@cAi8}D@apAi8@`(ĠAi8Z@_% Ai8@`dAi8q@`Ai8)@\aAi8LD@`Ai8ob@c.Ai8@_a@Ai8.@apAi8ֻ@c Ai8E@`Ai8t@`Ai8>_1@eǤAi8`O@arAi8˃sm@a|Ai8ͦ*@c4(Ai8Ȍ@\aAi8@`(Ġ