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 = '00635796000' / Observation ID TARG_ID = '635796 ' / 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 = 448709330.39466 / Start time DATE-OBS= '2015-03-22T09:28:50.4' / Start Date TSTOP = 448709436.0085 / Stop time DATE-END= '2015-03-22T09:30:36.0' / 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 = '2015-03-22T09:36:49' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -13.34296 / UTCF at TSTART CHECKSUM= 'iAcLjAbJiAbJiAbJ' / HDU checksum updated 2015-03-22T09:36:49 DATASUM = ' 0' / data unit checksum updated 2015-03-22T09:36:49 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 = '00635796000' / Observation ID TARG_ID = '635796 ' / 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 = '2015-03-22T09:36:49' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 448709330.39466 / Start time DATE-OBS= '2015-03-22T09:28:50.4' / Start Date TSTOP = 448709436.0085 / Stop time DATE-END= '2015-03-22T09:30:36.0' / Stop Date UTCFINIT= -13.34296 / 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 = 635796 / Trigger Number XRA_OBJ = 256.320587158203 / [deg] XRT RA location GRB or Object XDEC_OBJ= -37.1092414855957 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.61383998394 / 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= -13.34296 / [s] UTC Correction TIME UTCCSEC = -14 / UTC Correction Seconds UTCCSUBS= 32852 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 448709436.06088 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 448709436 / ccsds PacKeT SEConds PKTSUBS = 3044 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'nedfodcZndcdndcZ' / HDU checksum updated 2015-03-22T09:36:49 DATASUM = '2804023541' / data unit checksum updated 2015-03-22T09:36:49 END AepAҶAeJ@cAw @N AՈ\h@M A֙@BDXAת%@SpAؼ/@LaAu@cR"A޼A@J:A@[fAF_@W8A@J:A#@M A5z@KyAF_@TAW7@YAh@N Az2@O١@Ax@M A朽@YAq@TAI@T#AА.@SA֌@G8A@R4Aa@WkPAX@IJA&g@QA83@Oa@AIz%@QAZ@KyAl@`FA}M@@W8AO@YAخ@YA@EAd@V{AӪz@R4A@J:A77@K*A}@JA¤@SA* @TA;N@TALp@M A]@JAo!-@RdAg@UA@QA@HA9X@CA@LI A @PܠA $@LI A Q@P(ĠA @UA@N A-#O@PܠA>i@[yAO @C4(A`@LaAr;y@H[ A@RDXA6@LaA E@F{AS@F{AȚ@G8Aa@H[ A%p@IAk@F{A -@SA<@LaA0=@QpA A@KyA!RX@BDXA"d@DA#uU@FhA$$@TA%@PdA&'@F{A'm@\aA(˴N@P(ĠA)@IA*A @IA+@PܠA-y@Nq A."@K*A/3W@PܠA0DE@B@A1U@M A2g+@IJA3xqa@ATA4p@J:A5@N A6A@PdA7<@N A8Κ@Nq A9@QA:[W@Oa@