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 = '00741220000' / Observation ID TARG_ID = '741220 ' / 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 = 510476927.41192 / Start time DATE-OBS= '2017-03-06T07:08:47.4' / Start Date TSTOP = 510477137.82552 / Stop time DATE-END= '2017-03-06T07:12:17.8' / 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 = '2017-03-06T07:17:44' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -18.7114 / UTCF at TSTART CHECKSUM= 'aFlSbFkQaFkQaFkQ' / HDU checksum updated 2017-03-06T07:17:44 DATASUM = ' 0' / data unit checksum updated 2017-03-06T07:17:44 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 = '00741220000' / Observation ID TARG_ID = '741220 ' / 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 = '2017-03-06T07:17:44' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 510476927.41192 / Start time DATE-OBS= '2017-03-06T07:08:47.4' / Start Date TSTOP = 510477137.82552 / Stop time DATE-END= '2017-03-06T07:12:17.8' / Stop Date UTCFINIT= -18.7114 / 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 = 741220 / Trigger Number XRA_OBJ = 263.117645263672 / [deg] XRT RA location GRB or Object XDEC_OBJ= -44.7386283874512 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 210.413599967957 / TSTOP - TSTART ONTIME = 208.1455078125 / Time on target LIVETIME= 208.1455078125 / Ontime multiplied by DEADC EXPOSURE= 208.1455078125 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -18.7114 / [s] UTC Correction TIME UTCCSEC = -19 / UTC Correction Seconds UTCCSUBS= 14430 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 510477137.8448 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 510477137 / ccsds PacKeT SEConds PKTSUBS = 42240 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'jaNSkaMRjaMRjaMR' / HDU checksum updated 2017-03-06T07:17:44 DATASUM = '4187834964' / data unit checksum updated 2017-03-06T07:17:44 END A¾mBis—A¾mB×!ÕA¾mB€a>@T#øÀA¾mBr„à@QTˆ A¾mB‚ƒË>@¼@ A¾mBƒ•@{€àA¾mB„¦Wû@:ÁA¾mB…· @4›àÀA¾mB†Èãi@{€àA¾mB‡Ú(x@{€àA¾mBˆënÖ@5‹°ÀA¾mB‰üµ5@F˜àA¾mB‹ û”@¼@ A¾mBŒAò@IÂÙA¾mB0ˆQ@¼@ A¾mBŽAÍ`@ ú A¾mBS¾@@d¸ A¾mBdXÍ@/Ù¡@A¾mB‘uŸ,@@Ü A¾mB’†åŠ@Rø4ÀA¾mB“˜+é@?Ù¡@A¾mB”©rG@1Ìp A¾mB•º¸¦@ú A¾mB–Ëÿ@([ àA¾mB—ÝD@{€àA¾mB˜î‰"@{€àA¾mB™ÿÏ@ú A¾mB›ß@([ àA¾mBœ"\>@([ àA¾mB3¢œ?ýú A¾mB¢SÓ@7î€A¾mB¤Õ²Õ@=o€A¾mB§W’Ž@8T6 A¾mB©ÙrG@9ìžàA¾mB¬[R@8T6 A¾mB®Ý1º@5‰€ A¾mB±_#@8T6 A¾mB³àïÝ@9ìžàA¾mB¶bÏ–@8T6 A¾mB¸ä°Ÿ@6»Î@A¾mB»f@6U´@A¾mB½ènÁ@7î€A¾mBÀjN{@7î€A¾mBÂì.4@9ìžàA¾mBÅnž@8ºPÀA¾mBÇïí¦@;í A¾mBÊqÍ`@7ˆ€A¾mBÌó«É@5#fA¾mBÏu‹‚@9ìžàA¾mBÑ÷k<@7ˆ€A¾mBÔyLD@8ºPÀA¾mBÖû*®@7!è`A¾mBÙ} g@8T6 A¾mBÛþê!@7î€A¾mBÞ€ÈŠ@5ïš A¾mBá¨D@7î€A¾mBã„‰L@:¸Ó A¾mBæi@:¸Ó A¾mBèˆGo@5ïš A¾mBë '(@7!è`A¾mBíŒâ@8T6 A¾mBð åK@7î€A¾mBòÆT@6U´@A¾mBõ¦ @9 jÀA¾mB÷“…Æ@9ìžàA¾mBúd0@9 jÀA¾mBü—Cé@:¸Ó A¾mBÿ#£@9†„àA¾mC›«@9ìžàA¾mCã@9†„àA¾mCžÂÎ@8T6 A¾mC ¢‡@9 jÀA¾mC¢‚A@@ÀG A¾mC$aú@>µ×àA¾mC¦A³@=é£ A¾mC(!l@;…@A¾mC©ÿÖ@:¸Ó A¾mC+ß@9 jÀA¾mC¿H@>µ×àA¾mC/ Q@9†„àA¾mC±~»@9ìžàA¾mC"3^t@>O½ÀA¾mC$µ>-@;…@A¾mC'7ç@8ºPÀA¾mC)¸üP@:R¹A¾mC,:ÝY@?‚A¾mC.¼½@@' A¾mC1>›|@?è& A¾mC3À{5@<·U€A¾mC6BZî@@Z- A¾mC8Ä:¨@@ÀG A¾mC;Fa@@Z- A¾mC=Çú@?è& A¾mC@IÙÓ@?‚A¾mCBË¹Œ@=é£ A¾mCEM—ö@AŒ{@A¾mCGÏxÿ@AŒ{@A¾mCJQX¸@E‰€ A¾mCLÓ8q@EVsA¾mCOUÛ@@óT@