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 = '00310125000' / Observation ID TARG_ID = '310125 ' / 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 = 230793408.413 / Start time DATE-OBS= '2008-04-25T05:16:48.4' / Start Date TSTOP = 230793514.02684 / Stop time DATE-END= '2008-04-25T05:18:34.0' / 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 = '2008-04-25T05:18:41' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.7428 / UTCF at TSTART CHECKSUM= 'lNkVmMkSlMkSlMkS' / HDU checksum updated 2008-04-25T05:18:41 DATASUM = ' 0' / data unit checksum updated 2008-04-25T05:18:41 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 = '00310125000' / Observation ID TARG_ID = '310125 ' / 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 = '2008-04-25T05:18:41' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 230793408.413 / Start time DATE-OBS= '2008-04-25T05:16:48.4' / Start Date TSTOP = 230793514.02684 / Stop time DATE-END= '2008-04-25T05:18:34.0' / Stop Date UTCFINIT= -2.7428 / 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 = 310125 / Trigger Number XRA_OBJ = 341.666076660156 / [deg] XRT RA location GRB or Object XDEC_OBJ= 44.3412628173828 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.613840013742 / 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= -2.7428 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 12860 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 230793514.14174 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 230793514 / ccsds PacKeT SEConds PKTSUBS = 7087 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'UUe2aTZ2WTb2aTZ2' / HDU checksum updated 2008-04-25T05:18:41 DATASUM = '998304621' / data unit checksum updated 2008-04-25T05:18:41 END AｫアﾓtｼAｫアｮﾑ9Aｫアぷ-#@左滋AｫアｷA@跡" AｫアC@疹: Aｫア<ﾎ@7ﾁAｫア祇Zﾙ@薪ｸAｫア香逍@%`Aｫア商qｴ@順1ﾀAｫア柁r@薦侠Aｫア馴/@順1ﾀAｫア M@IAｫア.｢ @修ｿ Aｫア啣,(@誌 Aｫア徭ｸ蕁侵= Aｫア椁C@口4 Aｫアｸﾏﾀ@行 Aｫア｢ﾛ\}@ｳ@Aｫア､譖@虎ｻAｫアｧ sX@耕擒AｫアｩC@鹿ﾝ Aｫアｫe股@鮫pAｫアｭ@高 Aｫアｯｪ｡@射ﾗ Aｫアｱﾍ-ﾋ@子 Aｫアｳｺ@艮 AｫアｶDｦ@阪Aｫアｸ4ﾑc@殖`AｫアｺW[　懇蔵Aｫアｼy>@禦Aｫアｾ徼@孜gAｫアﾀｿｸ@Aｫアﾂ瘠ﾖ@首OAｫアﾅ@行 Aｫアﾇ&｢ｱ@畦ﾐAｫアﾉI/o@拷裏Aｫアﾋkｹ掘君ﾖAｫアﾍ薩J@給Aｫアﾏｰﾓ@牽F Aｫアﾑﾓ]%@7( Aｫアﾓ鰾@栽 Aｫアﾖv檗穴ﾊAｫアﾘ;ｽ@灸Aｫアﾚ]丸@柿9Aｫアﾜ蓮虎ｻAｫアﾞ｢｡ｶ@憩R Aｫア倏.s@湖= Aｫア粡ｻ0@fAｫア G@潅ｦAｫア,ﾒ @>ｦAｫア餔^ﾈ@?ﾙAｫアq@Aｫア肺B@禾ﾖAｫアｶﾁ@*Aｫアﾙ鯨@孜gAｫア;@祁U Aｫア｣Y@AｫアA0@挙|Aｫアcｼﾓ@基AｫアF@)^Aｫアｨﾓｮ@妓Aｫィﾋ`k@挙|Aｫィ)@株ｯAｫィtｧ@韻rAｫィ3e@霞ﾓAｫィ U"@%xAｫィ x@@%xAｫィ 圖@轄0Aｫィｽ1ｺ@妓Aｫィﾟｾw@揮AｫィH鼻禾ﾖAｫィ$ﾕR@渥秦AｫィG_p@王ﾟAｫィi骼@悔NAｫィ計K@猿cAｫィｯ@椏`Aｫィ ﾑ&@依柿Aｫィ"紂 ﾊAｫィ%ｦ@.)Aｫィ'90ｾ@D･`Aｫィ)[ｽ{@鴛Aｫィ+~J8@柿9Aｫィ-ﾖ@扱Aｫィ/ﾃ^t@D･`Aｫィ1褄1@,Aｫィ4w@kPAｫィ6+ @Aｫィ8M舎@6ﾛ`Aｫィ:p@ｱ`Aｫィ<徴､@案 Aｫィ>ｵ2a@Aｫィ@ﾗｿ@AｫィBKﾜ@rﾏ`AｫィEﾓ[@,AｫィG?`@2AｫィIaﾕ@'ﾞ`AｫィKё@坏ﾀAｫィMｧｰ@倨AｫィOﾉ仁@叙`AｫィQ*@;