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 = '00337889000' / Observation ID TARG_ID = '337889 ' / 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 = 251569346.41304 / Start time DATE-OBS= '2008-12-21T16:22:26.4' / Start Date TSTOP = 251569452.02644 / Stop time DATE-END= '2008-12-21T16:24:12.0' / 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 = '2008-12-21T16:24:20' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -3.35242 / UTCF at TSTART CHECKSUM= 'dJpOeHnNdHnNdHnN' / HDU checksum updated 2008-12-21T16:24:20 DATASUM = ' 0' / data unit checksum updated 2008-12-21T16:24:20 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 = '00337889000' / Observation ID TARG_ID = '337889 ' / 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 = '2008-12-21T16:24:20' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 251569346.41304 / Start time DATE-OBS= '2008-12-21T16:22:26.4' / Start Date TSTOP = 251569452.02644 / Stop time DATE-END= '2008-12-21T16:24:12.0' / Stop Date UTCFINIT= -3.35242 / 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 = 337889 / Trigger Number XRA_OBJ = 15.7906551361084 / [deg] XRT RA location GRB or Object XDEC_OBJ= -24.5345249176025 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.613399982452 / 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= -3.35242 / [s] UTC Correction TIME UTCCSEC = -4 / UTC Correction Seconds UTCCSUBS= 32379 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 251569452.04926 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 251569452 / ccsds PacKeT SEConds PKTSUBS = 2463 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '2Y3P3Y0M2Y0M2Y0M' / HDU checksum updated 2008-12-21T16:24:20 DATASUM = '154093287' / data unit checksum updated 2008-12-21T16:24:20 END AIyAIwAI@`AINf@AI#@`AIl@N= AIP)@`AIsUG@+AI@ AIn@i7AI@[AI@ĠAI Z@AIB@ AIe)5@s AI@ AIB@AIl@!߀AI\)@nAI@@AI4u@VU AIV@*AIy~@ AIœ;@AIľ@|AI2@ AIr@\AI&L0@WAIHM@AIkc @`AIэ@KAIӰ|@AI B@/\AI`@AI @AI:;@,@AI]6@b@AIõ@rAIPr@gAI/@AIi@I AI @~ AI,f@{jAIO @{vAIqA@zAI&@|@ AI󶳼@ywAI@y@u1AI6@u"AIWT@uAI@@r:AIcp@saAJ@qjAJH@qvAJ@pAJ@pdAJ -@h2AJ 2@mF% AJ UD@hAJwx@iAJ^5@ihAJ@c AJw@gMVAJ@d_AJ$@`FAJGH@jAJi@aAJ 4@d_AJ"@c.AJ$N<@bDXAJ&@`AJ)e@^q AJ+8@^q AJ-[~@\aAJ/~ N@[yAJ1 @YAJ3$@WDAJ5居@Z:AJ8;@TAJ:*@dAJo;@YJAJ@k@SpAJB@QpAJDׅs@M AJF@VAJIN@UAJK?) @M AJMa@HAJOB@P(ĠAJQB@P(ĠAJS[@PAJU@J