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 = '00279898000' / Observation ID TARG_ID = '279898 ' / 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 = 201375998.5939 / Start time DATE-OBS= '2007-05-20T17:46:38.6' / Start Date TSTOP = 201376104.2057 / Stop time DATE-END= '2007-05-20T17:48:24.2' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.20' / Program that created this FITS file TLM2FITS= 'V3.20 ' / Telemetry converter version number DATE = '2007-05-20T18:00:00' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -1.9678 / UTCF at TSTART CHECKSUM= 'oFnRoDkOoDkOoDkO' / HDU checksum updated 2007-05-20T18:00:00 DATASUM = ' 0' / data unit checksum updated 2007-05-20T18:00:00 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 = '00279898000' / Observation ID TARG_ID = '279898 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.20' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.20 ' / 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 = '2007-05-20T18:00:00' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 201375998.5939 / Start time DATE-OBS= '2007-05-20T17:46:38.6' / Start Date TSTOP = 201376104.2057 / Stop time DATE-END= '2007-05-20T17:48:24.2' / Stop Date UTCFINIT= -1.9678 / 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 = 279898 / Trigger Number XRA_OBJ = 121.945770263672 / [deg] XRT RA location GRB or Object XDEC_OBJ= 57.6210746765137 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.611800014973 / 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= -1.9678 / [s] UTC Correction TIME UTCCSEC = -2 / UTC Correction Seconds UTCCSUBS= 1610 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 201376104.24646 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 201376104 / ccsds PacKeT SEConds PKTSUBS = 12323 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'eacWfWZUeaaUeWYU' / HDU checksum updated 2007-05-20T18:00:00 DATASUM = '4168697161' / data unit checksum updated 2007-05-20T18:00:00 END A0A p&A0?@T#AS@= Au@?١@A2v@3A4@3A K@SA o@?١@A"`-@D#AD@= 1 Agy@?١@Ad@@dA!@9JA@= A@JA6@::A6v@B@A!YP3@5A#{@M 1 A%i@C4(A'j@<aA)〈@G8A, @1pA.(c@GkPA0K$ @/١@A2m@`ܠA4=@3A6X@2@A8W@7kPA:3@> A=m@::A?<@0ܠAA_j@8[ AC'@4AE@@ܠAG+@6{AI鷿@FhAL A@@ܠAN.Κ@6{APQ[W@5ARs@EATt@5AV@1pAXێL@FhAZ @<aA] '@9JA_C1@B@Aae@D#AcK^@?١@Ae|@KyAgb9@BDXAi@J:Al{@Oa@An5@6{ApW@?١@ArzK@N At@HAv8@ApAxł@?١@A{R?@SA}&@RdAIi@H[ Ak@CA@M 1 A @Q|Aәp@TA&-@TA@Q|A;=@[fA]@] AV@\aA?@ZvAo@[fA@XA v@]F% A-3@W8AO@] Ar*o@]F% A,@`FAC@cAЦ@ZA]d@[mA!@YAAv@V?Ad@XA@] 1 Av@\VU A˧3@V?A3@WkPA@YA3Mj@] AU'@[*AxdE@ZAÚc@SAŽ{ @SA@T#A@XA%!W@UǤAG@W/\