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 = '00306618000' / Observation ID TARG_ID = '306618 ' / 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 = 227491523.41136 / Start time DATE-OBS= '2008-03-18T00:05:23.4' / Start Date TSTOP = 227491629.02574 / Stop time DATE-END= '2008-03-18T00:07:09.0' / 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 = '2008-03-18T00:07:15' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.65072 / UTCF at TSTART CHECKSUM= 'hJhSkJhPhJhPhJhP' / HDU checksum updated 2008-03-18T00:07:15 DATASUM = ' 0' / data unit checksum updated 2008-03-18T00:07:15 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 = '00306618000' / Observation ID TARG_ID = '306618 ' / 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 = '2008-03-18T00:07:15' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 227491523.41136 / Start time DATE-OBS= '2008-03-18T00:05:23.4' / Start Date TSTOP = 227491629.02574 / Stop time DATE-END= '2008-03-18T00:07:09.0' / Stop Date UTCFINIT= -2.65072 / 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 = 306618 / Trigger Number XRA_OBJ = 244.326751708984 / [deg] XRT RA location GRB or Object XDEC_OBJ= -14.8756189346313 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.614380002022 / 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= -2.65072 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 17464 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 227491629.14184 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 227491629 / ccsds PacKeT SEConds PKTSUBS = 7092 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'ddAEfb5EdbAEdb3E' / HDU checksum updated 2008-03-18T00:07:15 DATASUM = '4042812970' / data unit checksum updated 2008-03-18T00:07:15 END A}ҝA}DA}Ա@8@A}9m@A}*@ӏ@A}@A}:@i`A}@|pA}4NQ@A}V@3_@A}ye,@: A}ě@A}ƾ~@`A}@JʠA}@L@A}&@`A}H\@}`A}k6z@A}Ӎ7@A}հO@A}@A}f@T(A}N@vA}:{ @@A}]@A}@`A}@ A}ī`@zA}5~@y@A} ;@)`A},LY@>@A}Nw@ A}qc5@5>A}@A}z@â`A}@Ē@A}@B\@A} @tA}@@A~c4@QA~@ղA~K^@@ A~@{A~b9@]A~ @A~ 2y@: A~U2@9A~w@CL A~@gA~@jA~3@A~@_fA~$G@A~FԀ@A~ i^@6.A~"[@A~$x@`A~&6@msA~(@X A~+@zA~-8@TA~/[/@(!A~1}@,РA~3If@DA~5ӄ@^vA~7`B@V`A~:`@G `A~<*w@A~>M;@^A~@oY@`A~B@@A~D@ȔA~F.@y@A~H@A~KHk@@A~M>@xA~Oa\@PA~Qd@  A~Ss@ A~U?@* A~W@