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 = '00451165000' / Observation ID TARG_ID = '451165 ' / 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 = 324243390.39432 / Start time DATE-OBS= '2011-04-11T19:36:30.4' / Start Date TSTOP = 324243589.43106 / Stop time DATE-END= '2011-04-11T19:39:49.4' / 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 = '2011-04-11T19:41:18' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -6.84592 / UTCF at TSTART CHECKSUM= 'fLjNgJjNfJjNfJjN' / HDU checksum updated 2011-04-11T19:41:18 DATASUM = ' 0' / data unit checksum updated 2011-04-11T19:41:18 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 = '00451165000' / Observation ID TARG_ID = '451165 ' / 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 = '2011-04-11T19:41:18' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 324243390.39432 / Start time DATE-OBS= '2011-04-11T19:36:30.4' / Start Date TSTOP = 324243589.43106 / Stop time DATE-END= '2011-04-11T19:39:49.4' / Stop Date UTCFINIT= -6.84592 / 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 = 451165 / Trigger Number XRA_OBJ = 291.375762939453 / [deg] XRT RA location GRB or Object XDEC_OBJ= 67.7319030761719 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 199.036740005016 / TSTOP - TSTART ONTIME = 196.62712097168 / Time on target LIVETIME= 196.62712097168 / Ontime multiplied by DEADC EXPOSURE= 196.62712097168 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -6.84592 / [s] UTC Correction TIME UTCCSEC = -7 / UTC Correction Seconds UTCCSUBS= 7704 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 324243589.54284 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 324243589 / ccsds PacKeT SEConds PKTSUBS = 27142 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'Q3ecT2bZQ2baQ2bY' / HDU checksum updated 2011-04-11T19:41:18 DATASUM = '3005958011' / data unit checksum updated 2011-04-11T19:41:18 END ASd(ASҠfASj'@YAS{@ApASE@@dASžX@,aASï@8[ AS@B@AS*o@,aASp@,aAS@LaAS@2@ASAJ@5AS(Y@"@AS9̸@::ASK@BDXAS\Yu@0ܠASm4@D#AS~@- ASѐ)@EASҡpP@:ASӲ_@H[ AS@ ASB@"@AS+@:AS:@([ AS @:ASW@H[ AS+@ApAS@D>AS2;@E AS56@E AS7@CAS:9؄@E AS<=@D$$AS?=@DYASAv`@BXASDAT@C ASF4@E ASIE@DYASK@DW1ASNH@DKASPʰ@C$ASSL2@BɀASUm@F"@ASXPMU@BɀASZ-@E#fAS]T x@D$$AS_@E ASbWɛ@DW1ASd٨@DW1ASg[n@B%`ASif'@CASl_E@C$ASn$J@FU@ASqc@E#fASsm@C$ASvf@CASx蠐@E#fAS{j~@DW1AS}^@C$ASn=@E AS@DK