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 = '00318166000' / Observation ID TARG_ID = '318166 ' / 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 = 238890796.79462 / Start time DATE-OBS= '2008-07-27T22:33:16.8' / Start Date TSTOP = 238890902.38968 / Stop time DATE-END= '2008-07-27T22:35:02.4' / 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 = '2008-07-27T22:35:11' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.97384 / UTCF at TSTART CHECKSUM= 'aKeKcJZIaJbIaJZI' / HDU checksum updated 2008-07-27T22:35:11 DATASUM = ' 0' / data unit checksum updated 2008-07-27T22:35:11 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 = '00318166000' / Observation ID TARG_ID = '318166 ' / 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 = '2008-07-27T22:35:11' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 238890796.79462 / Start time DATE-OBS= '2008-07-27T22:33:16.8' / Start Date TSTOP = 238890902.38968 / Stop time DATE-END= '2008-07-27T22:35:02.4' / Stop Date UTCFINIT= -2.97384 / 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 = 318166 / Trigger Number XRA_OBJ = 255.466018676758 / [deg] XRT RA location GRB or Object XDEC_OBJ= -40.8293762207031 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.595059990883 / 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= -2.97384 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 1308 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 238890902.44816 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 238890902 / ccsds PacKeT SEConds PKTSUBS = 22408 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'IhKWIeKTIeKTIeKT' / HDU checksum updated 2008-07-27T22:35:11 DATASUM = '3698007916' / data unit checksum updated 2008-07-27T22:35:11 END Az^YoAz^Zr4Az^[U@SAz^]k@<aAz^_0@,aAz^a@5Az^d @*:Az^f;)@$Az^h^"@8[ Az^j@0ܠAz^l<`@;*Az^n@;*Az^pS;@ ܠAz^s @ATAz^u-l@$Az^wOr@2@Az^yr@3Az^{M@ ܠAz^} @0ܠAz^)@6{Az^@/١@Az^>@@dAz^A@EAz^dW~@3Az^@ ܠAz^nY@9JAz^@2@Az^@/١@Az^@- Az^3@"@Az^V+k@1pAz^x(@,aAz^D@6{Az^d@{Az^Y!@6{Az^@RDXAz^%r@([ Az^G@::Az^jv@5Az^3@1pAz^@"@Az^-@1pAz^@{Az^F@$Az^9F@XAz^\`@1pAz^~!@2@Az^t?@IAz^@= Az^捹@/١@Az^ @3Az^+@"@Az^N1Q@;*Az^po@EAz^ʓH,@H[ Az^̵@= 1 Az^a@B@Az^c@*:Az^x@*:Az^@>@([ Az^b\@<aAz^م@= 1 Az^ۧ7@$Az^2@8[ Az^쿱@  Az^Ln@::Az^1֌@([ Az^TcI@"@Az^v@1pAz^|@:Az^@&{Az^ޓ@([ Az^ \@DAz^#@2@Az^F4@{Az^hU@F{Az^N@7kPAz^@- Az^g@&{Az^@5Az_~g@/١@Az_8 $@$Az_ZB@"@Az_}!@EAz_ @([ Az_ ;y@= Az_6@> Az_O@ApAz_)r@([ Az_Li/@::Az_n@,aAz_ @- Az_ @6{Az_֙@0ܠAz_&B@*:Az_"`@$Az_$>=@,aAz_&`@8[ Az_(V@5Az_*@6{