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 = '00308797000' / Observation ID TARG_ID = '308797 ' / 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 = 229383287.80824 / Start time DATE-OBS= '2008-04-08T21:34:47.8' / Start Date TSTOP = 229383393.42568 / Stop time DATE-END= '2008-04-08T21:36:33.4' / 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 = '2008-04-08T21:36:43' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.70336 / UTCF at TSTART CHECKSUM= 'aHeOdHZNaHdNaHZN' / HDU checksum updated 2008-04-08T21:36:43 DATASUM = ' 0' / data unit checksum updated 2008-04-08T21:36:43 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 = '00308797000' / Observation ID TARG_ID = '308797 ' / 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 = '2008-04-08T21:36:43' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 229383287.80824 / Start time DATE-OBS= '2008-04-08T21:34:47.8' / Start Date TSTOP = 229383393.42568 / Stop time DATE-END= '2008-04-08T21:36:33.4' / Stop Date UTCFINIT= -2.70336 / 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 = 308797 / Trigger Number XRA_OBJ = 264.841369628906 / [deg] XRT RA location GRB or Object XDEC_OBJ= -30.3689632415771 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.617440015078 / 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= -2.70336 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 14832 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 229383393.44862 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 229383393 / ccsds PacKeT SEConds PKTSUBS = 22431 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'KHkLN9hKKEhKK9hK' / HDU checksum updated 2008-04-08T21:36:43 DATASUM = '1645170540' / data unit checksum updated 2008-04-08T21:36:43 END AX8ѢAX8y.AX8o@\aAX8@@ܠAX8{@7kPAX8 @Oa@AX8+V@ATAX8N)t@([ AX8p1@FAX9B@B@AX9m@ApAX9W*@R@AX9@BDXAX9 n@M 1 AX9 ?@&{AX9 b@&{AX9@D#AX9Z@,aAX9(x@ATAX9첖@8[ AX9?S@6{AX91@BDXAX9TV.@8[ AX9v@*:AX9 o@> AX9"@> AX9$ކ@B@AX9'@"@AX9)#@<aAX9+F'|@EAX9-h9@4AX9/>W@<aAX91@1pAX93W@- AX95@= AX98l @ AX9:7@7kPAX9}@::AX9@c@ ܠAX9B&@5AX9D>@ApAX9G?@3AX9I)@0ܠAX9KLT7@*:AX9Mn@0ܠAX9Ok@::AX9Q@- AX9Sք@B@AX9U@B@AX9Xg@1pAX9Z>%@3AX9\`@0ܠAX9^<`@@dAX9`@3AX9bS;@- AX9d@"@AX9g l@BDXAX9i/@2@AX9kR@6{AX9muM@@ܠAX9o@([ AX9q$@0ܠAX9sܱF@0ܠAX9u;d@8[ AX9x!!@> AX9zDR?@O١@AX9|f@5AX9~k@"@AX9@7kPAX9@8[ AX9 @&{AX9p@3AX96#@FAX9XK@,aAX9{=@4AX9&@8[ AX9QD@0ܠAX9@6{AX9h@::AX9'@([ AX9J~@9JAX9m @8[ AX9t@,aAX9%1@2@AX9ԯO@::AX99m@<aAX9*@4AX9