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 = '00350311000' / Observation ID TARG_ID = '350311 ' / 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 = 262275223.8081 / Start time DATE-OBS= '2009-04-24T14:13:43.8' / Start Date TSTOP = 262275329.4186 / Stop time DATE-END= '2009-04-24T14:15:29.4' / 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 = '2009-04-24T14:15:31' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -4.6858 / UTCF at TSTART CHECKSUM= '4DoS4BmS4BmS4BmS' / HDU checksum updated 2009-04-24T14:15:31 DATASUM = ' 0' / data unit checksum updated 2009-04-24T14:15:31 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 = '00350311000' / Observation ID TARG_ID = '350311 ' / 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 = '2009-04-24T14:15:31' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 262275223.8081 / Start time DATE-OBS= '2009-04-24T14:13:43.8' / Start Date TSTOP = 262275329.4186 / Stop time DATE-END= '2009-04-24T14:15:29.4' / Stop Date UTCFINIT= -4.6858 / 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 = 350311 / Trigger Number XRA_OBJ = 189.520690917969 / [deg] XRT RA location GRB or Object XDEC_OBJ= 16.8434600830078 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.610500007868 / 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= -4.6858 / [s] UTC Correction TIME UTCCSEC = -5 / UTC Correction Seconds UTCCSUBS= 15710 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 262275329.4448 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 262275329 / ccsds PacKeT SEConds PKTSUBS = 22240 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'ZAapZ1TnZ8ZnZ8Zn' / HDU checksum updated 2009-04-24T14:15:31 DATASUM = '1669132462' / data unit checksum updated 2009-04-24T14:15:31 END AD/HAD0yAD1@q'AD3,@b@AD5N@avAD8Cl@_@AD:')@cADl@arAD@s@cADB@a6ADDԊ@cADFY@a6ADI@\I ADK<0@fhADM^@] ADOG@b@ADQk@] ADSa(@[fADU@] ADX x@ZADZ.@cAD\P}@^q AD^s:@[fAD`X@YJADb5@UǤADdڿ4@[mADfK@ZADiخ@] ADkBb@YADmd@[*ADo|F@YADq @WDADs̕@[fADu"}@^q ADx@YJADz49X@WDAD|V@XAD~yR@Z:AD@TADi@VAD@W/\AD@W8AD& E@^ ADHc@^q ADk$ @W/\AD@RDXAD=@V?ADX@] ADW@UAD3@RLAD:m@Q|AD\@V?ADj@KyAD@[yADĞE@YAD+@\aAD @VAD,A@N ADNΚ@KyADqX@Q|ADu@P(ĠADr2@WkPAD@UOAD@QAD@M AD@@ZADc/E@VtAD@TADF @ZvAD@RDXAD_@M 1 ADW@PܠAD2vu@Oa@ADU2@PADwP@QpADϚ @UADѼ@] AD3@T_AD@YAD$Jb@PdADF@LI ADic@PܠADދ@P(ĠAD}V@Oa@ADt@K*AD1@M AD @IJAD8@Q|AD[7@RdAD}@O١@ADN@PܠADb@QADh@G8AD=@PܠAD*~@KyADM @VtADot@UǤAD%1@HAD@Z