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 = '00418109000' / Observation ID TARG_ID = '418109 ' / 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 = 291841730.19372 / Start time DATE-OBS= '2010-04-01T19:08:50.2' / Start Date TSTOP = 291841835.745 / Stop time DATE-END= '2010-04-01T19:10:35.7' / 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 = '2010-04-01T19:10:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -5.66778 / UTCF at TSTART CHECKSUM= 'kLnSkJmSkJmSkJmS' / HDU checksum updated 2010-04-01T19:10:36 DATASUM = ' 0' / data unit checksum updated 2010-04-01T19:10:36 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 = '00418109000' / Observation ID TARG_ID = '418109 ' / 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 = '2010-04-01T19:10:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 291841730.19372 / Start time DATE-OBS= '2010-04-01T19:08:50.2' / Start Date TSTOP = 291841835.745 / Stop time DATE-END= '2010-04-01T19:10:35.7' / Stop Date UTCFINIT= -5.66778 / 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 = 418109 / Trigger Number XRA_OBJ = 70.2712936401367 / [deg] XRT RA location GRB or Object XDEC_OBJ= 44.4941444396973 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.551280021667 / 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= -5.66778 / [s] UTC Correction TIME UTCCSEC = -6 / UTC Correction Seconds UTCCSUBS= 16611 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 291841835.845 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 291841835 / ccsds PacKeT SEConds PKTSUBS = 42250 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'KaFWMW9TKaETKU9T' / HDU checksum updated 2010-04-01T19:10:36 DATASUM = '753612461' / data unit checksum updated 2010-04-01T19:10:36 END Ae&1Ae&ŸEAe&"S@ZAe&3p@9JAe&D@UAe&V$@F{Ae&gk<@K*Ae&x@7kPAe&ɉ@EAe&ʛ>W@EAe&ˬf@3Ae&̽@G8Ae&#@= 1 Ae&V@DAe&@?١@Ae&?@0ܠAe&)@EAe&%o@JAe&6 @= Ae&Gj@::Ae&Y@y@D#Ae&j@;*Ae&{6@;*Ae&ٍ@4Ae&ڞY@8[ Ae&ۯQ@JAe&@<aAe&-@?١@Ae&r@<aAe&|@@dAe&@= 1 Ae&E9@1pAe&(@D#Ae&9@/١@Ae&K@7kPAe&\]d@::Ae&m@5Ae&~@DAe&/0@4Ae&u@*:Ae&벻@ATAe&K@> Ae&H@J:Ae&@4Ae&g@ATAe& @KyAe&`@0ܠAe&+3@/١@Ae&<@7kPAe&N2@,aAe&_x@?١@Ae&p]@1pAe&@H[ Ae&L@@dAe&y@B@Ae&@- Ae&@7kPAe&dE@3Ae&骤@FhAe&@0ܠAe' 7a@ATAe'}@TAe'.@= 1 Ae'@ -@5Ae'QO@@ܠAe'b@9JAe's@<aAe'!W@B@Ae' g@::Ae' @- Ae' s@/١@Ae' :@W8Ae' ہ0@> Ae'Ǐ@B@Ae' @0ܠAe'R@7kPAe' [@= 1 Ae'1߹@RLAe'C$@2@Ae'Tk'@,aAe'e@- Ae'v@5Ae'>B@([ Ae'Q@&{Ae'ɰ@1pAe'@4Ae'Vm@HAe'ޜ@ ܠAe'*@Oa@Ae' )@"@Ae'!o@@Ae'"#F@= Ae'#4U@> Ae'$F@d@7kPAe'%W@2@Ae'&h!@Oa@Ae''z@> Ae'(Y@8[ Ae')<@7kPAe'*@/١@