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 = '00318101000' / Observation ID TARG_ID = '318101 ' / 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 = 238839311.6096 / Start time DATE-OBS= '2008-07-27T08:15:11.6' / Start Date TSTOP = 238839493.22802 / Stop time DATE-END= '2008-07-27T08:18:13.2' / 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 = '2008-07-27T08:19:34' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.97234 / UTCF at TSTART CHECKSUM= 'gIfLhGfIgGfIgGfI' / HDU checksum updated 2008-07-27T08:19:34 DATASUM = ' 0' / data unit checksum updated 2008-07-27T08:19:34 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 = '00318101000' / Observation ID TARG_ID = '318101 ' / 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 = '2008-07-27T08:19:34' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 238839311.6096 / Start time DATE-OBS= '2008-07-27T08:15:11.6' / Start Date TSTOP = 238839493.22802 / Stop time DATE-END= '2008-07-27T08:18:13.2' / Stop Date UTCFINIT= -2.97234 / 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 = 318101 / Trigger Number XRA_OBJ = 276.885223388672 / [deg] XRT RA location GRB or Object XDEC_OBJ= 1.16496515274048 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 181.618420004845 / TSTOP - TSTART ONTIME = 179.349533081055 / Time on target LIVETIME= 179.349533081055 / Ontime multiplied by DEADC EXPOSURE= 179.349533081055 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -2.97234 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 1383 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 238839493.24492 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 238839493 / ccsds PacKeT SEConds PKTSUBS = 12246 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5YJaAVIW8VIaAVIW' / HDU checksum updated 2008-07-27T08:19:34 DATASUM = '3955161299' / data unit checksum updated 2008-07-27T08:19:34 END Ax8~Ax yAx!0oi@SpAx#R@IJAx%uD@@ܠAx'b@ ܠAx)@= 1 Ax+)@ApAx-@D#Ax0"@@= Ax2Du@7kPAx4gZ2@J:Ax6@IAx8q @PܠAx:@7kPAx<@DAx?D@ATAxA6@ AxCY+@*:AxE{=@M AxGD@- AxIѷ@- AxK^t@5AxN@@AxP(uO@- AxRK @EAxTm@,aAxV@= 1 AxX@5AxZ2a@@Ax\@@Ax_I=@?١@Axa<@DAxc_`@ ܠAxe@@Axgy@"@AxiO@= Axk @3Axn *@F{Axp.@ AxrQ6@"@Axtsa@ ܠAxvM@6{Axx<@([ AxzdZ@$Ax|@4Ax }@D#Ax́C@- Ax̃e@,aAx̅!l? Ax̏@7!`Ax̔v@E Ax̙6e@A{@Ax̞@E Ax̣ϵJ@DW1Ax̨r@DKAx̭4/@DYAx̲@BAx̷ްu@B֠Ax̼o@BɀAx/Z@A`Ax@BAx@BAxm@CAx*@BɀAx@B%`Axi@D>Axh@D>Ax%@A`Ax!@CAx @B%`Axd@BɀAx @B֠AxL@CWAx@A`Ax \@@Z- Ax"@B%`Ax%w@BAx)@BXAx!-W@@Z- Ax&1@B%`Ax+4֡@BɀAx08@BXAx5