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 = '00361477000' / Observation ID TARG_ID = '361477 ' / 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 = 273434632.60968 / Start time DATE-OBS= '2009-08-31T18:03:52.6' / Start Date TSTOP = 273434880.56292 / Stop time DATE-END= '2009-08-31T18:08:00.6' / 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 = '2009-08-31T18:08:40' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -5.04568 / UTCF at TSTART CHECKSUM= 'aGiLcEgIaEgIaEgI' / HDU checksum updated 2009-08-31T18:08:40 DATASUM = ' 0' / data unit checksum updated 2009-08-31T18:08:40 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 = '00361477000' / Observation ID TARG_ID = '361477 ' / 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 = '2009-08-31T18:08:40' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 273434632.60968 / Start time DATE-OBS= '2009-08-31T18:03:52.6' / Start Date TSTOP = 273434880.56292 / Stop time DATE-END= '2009-08-31T18:08:00.6' / Stop Date UTCFINIT= -5.04568 / 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 = 361477 / Trigger Number XRA_OBJ = 3.60967993736267 / [deg] XRT RA location GRB or Object XDEC_OBJ= 27.9491310119629 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 247.95323997736 / TSTOP - TSTART ONTIME = 245.580215454102 / Time on target LIVETIME= 245.580215454102 / Ontime multiplied by DEADC EXPOSURE= 245.580215454102 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -5.04568 / [s] UTC Correction TIME UTCCSEC = -6 / UTC Correction Seconds UTCCSUBS= 47716 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 273434880.6448 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 273434880 / ccsds PacKeT SEConds PKTSUBS = 32240 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'HddUJabTHabTHabT' / HDU checksum updated 2009-08-31T18:08:40 DATASUM = '4165541246' / data unit checksum updated 2009-08-31T18:08:40 END ALHALH ;ALH i/@UALH >? ALH)@BɀALHb[@CALH@GT`ALHe.@GALH@DKALHiQ@GALHc @F`ALH!mAt@G!`ALH#!-@E ALH&p@D>ALH(@C ALH+tj@E ALH-$@C ALH0xz@D>ALH2ZG@F@ALH5|8@E ALH7@E ALH:@E#fALH==@D$$ALH?@G!`ALHB`@DKALHDq@GALHG P3@E ALHI1<@E ALHL @DW1ALHN@EVsALHQy@D>ALHS@DYALHVL@GALHXjU@F"@ALH[H@EVsALH]'(@DW1ALH`@CALHbK@E#fALHeõ@CALHgn@F@ALHj#@D>ALHl`B@DYALHo'>@E ALHqd@GALHt*@DW1ALHv܇@DYALHy.@B֠ALH{@F`ALH~2y@DYALHW~@D>ALH65@EVsALH@EVsALH9 @D$$ALH@F@ALH=-@DYALH@EVsALHAo@D$$ALHN@D$$ALHE.s@DKALH @DYALHHF@FU@ALHɰ@C ALHL@EVsALHΉ"@BɀALHPg@E ALHE@D$$ALHT$_@DYALH@F@ALHW3@D>ALH@E ALH[@C$ALH@CALH_]y@DKALH=2@D>ALHc@E#fALH@FU@ALHfپ@D>ALH(@CALHj@D>ALHvK@DW1ALHnT@C ALH3@DKALHr@F@ALHA@D$$ALHuϫ@CALHd@EVsALHy@DKALHl7@DYALH}K@D>ALH*Z@C ALH @BɀALH}@DYALH@CALHQ@D$$ALH @D$$ALH cs@F`ALHC-@D$$ALH!@C$ALH@DYALHj@DW1