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 = '00316910000' / Observation ID TARG_ID = '316910 ' / 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 = 237750864.59456 / Start time DATE-OBS= '2008-07-14T17:54:24.6' / Start Date TSTOP = 237750970.22968 / Stop time DATE-END= '2008-07-14T17:56:10.2' / 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 = '2008-07-14T17:59:03' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.9407 / UTCF at TSTART CHECKSUM= 'eKdJgKaJeKaJeKaJ' / HDU checksum updated 2008-07-14T17:59:03 DATASUM = ' 0' / data unit checksum updated 2008-07-14T17:59:03 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 = '00316910000' / Observation ID TARG_ID = '316910 ' / 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 = '2008-07-14T17:59:03' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 237750864.59456 / Start time DATE-OBS= '2008-07-14T17:54:24.6' / Start Date TSTOP = 237750970.22968 / Stop time DATE-END= '2008-07-14T17:56:10.2' / Stop Date UTCFINIT= -2.9407 / 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 = 316910 / Trigger Number XRA_OBJ = 188.155899047852 / [deg] XRT RA location GRB or Object XDEC_OBJ= -60.2901649475098 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.635120004416 / 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= -2.9407 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 2965 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 237750970.34166 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 237750970 / ccsds PacKeT SEConds PKTSUBS = 17083 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '3Cii3ChZ3Chf3ChZ' / HDU checksum updated 2008-07-14T17:59:03 DATASUM = '1696853474' / data unit checksum updated 2008-07-14T17:59:03 END AW0j+AW ƨAW=)@^q AW_G@QTAW@J:AW@= AW2@JAW鿜@$AW LY@:AW.@4AWQ`@3AWsR@2@AWwp@{AW.@EAWې@Nq AW@G8AW @> AWC4@/١@AWe@@1pAWLjM@UAWɪ@H[ AWb9@&{AW@::AWy@LI AW5@,aAWW@6{AWz@= 1 AW؜i@  AWڿ6&@@ܠAW@7kPAWM@1pAW&پ@M AWIf{@B@AWk@= 1 AWz@9JAWt@5AWӔ1@2@AWO@3AW @4AW;5+@ApAW]@,aAWN@5AWb@;*AWe@8[ AW=@*:AW ~@3AW- @?١@AWO6@<aAWr@YJAW@/١@AW 6@&{AW Ë@EAW PH@;*AWf@{AWAg#@4AWc@7kPAW}@([ AW @G8AW˗x@5AW!@2@AW@D#AW!38q@7kPAW#U.@:AW%xQ@B@AW' @2@AW)h@8[ AW+@3AW.@- AW0% _@0ܠAW2G@> AW4j#:@> AW6X@"@AW8:@{AW:3@@dAW AW?ݭ@5AWA9jj@9JAWC[@C4(AWE~E@9JAWG@([ AWIØ @1pAWK$@"@AWN@  AWP+;@EAWRM@1pAWTpR@3AWVP@/١@AWXin@@dAWZ+@/١@AW\@:AW_ @ATAWa?@@AWcb&@$AWe>@9JAWg=\@ATAWi@C4(AWkV@@AWnU@ ܠAWp1k@ ܠAWrS@