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 = '01002158000' / Observation ID TARG_ID = '1002158 ' / 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 = 625453776.20872 / Start time DATE-OBS= '2020-10-27T01:09:36.2' / Start Date TSTOP = 625454021.2969 / Stop time DATE-END= '2020-10-27T01:13:41.3' / 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 = '2020-10-27T01:15:26' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -25.87512 / UTCF at TSTART CHECKSUM= 'lGgUoGeUlGeUlGeU' / HDU checksum updated 2020-10-27T01:15:26 DATASUM = ' 0' / data unit checksum updated 2020-10-27T01:15:26 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 = '01002158000' / Observation ID TARG_ID = '1002158 ' / 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 = '2020-10-27T01:15:26' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 625453776.20872 / Start time DATE-OBS= '2020-10-27T01:09:36.2' / Start Date TSTOP = 625454021.2969 / Stop time DATE-END= '2020-10-27T01:13:41.3' / Stop Date UTCFINIT= -25.87512 / 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 = 1002158 / Trigger Number XRA_OBJ = 155.939041137695 / [deg] XRT RA location GRB or Object XDEC_OBJ= -5.51834630966187 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 245.088180065155 / TSTOP - TSTART ONTIME = 242.700622558594 / Time on target LIVETIME= 242.700622558594 / Ontime multiplied by DEADC EXPOSURE= 242.700622558594 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -25.87512 / [s] UTC Correction TIME UTCCSEC = -26 / UTC Correction Seconds UTCCSUBS= 6244 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 625454021.44658 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 625454021 / ccsds PacKeT SEConds PKTSUBS = 22329 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'XimIZijFXijFXijF' / HDU checksum updated 2020-10-27T01:15:26 DATASUM = '3340720502' / data unit checksum updated 2020-10-27T01:15:26 END AÂ£Õh·VAÂ£ÕhQŽuAÂ£Õh˜‡©@W§DàAÂ£Õi!*Ø@>éÑ AÂ£Õi©Í`@,aAÂ£Õj2p?íú AÂ£ÕlÏÃµ@í AÂ£Õn³’@,·U€AÂ£ÕoQ£n@+í AÂ£Õp’“K@$½KàAÂ£ÕqÓ‚€@%‰€ AÂ£Õsr\@(ºPÀAÂ£ÕtUb9@!Œ{@AÂ£Õu–R@&U´@AÂ£Õv×Aò@%‰€ AÂ£Õx1Ï@)†„àAÂ£ÕyY!«@'!è`AÂ£Õzšˆ@'î€AÂ£Õ{Ûe@'î€AÂ£Õ}ñA@(ºPÀAÂ£Õ~\á@(ºPÀAÂ£ÕÐS@$½KàAÂ£Õ€ÞÀ/@*R¹AÂ£Õ‚°@&U´@AÂ£Õƒ`Ÿè@#ñÀAÂ£Õ„¡Å@$½KàAÂ£Õ…â¢@'!è`AÂ£Õ‡#o~@$½KàAÂ£Õˆd_[@'!è`AÂ£Õ‰¥O7@(ºPÀAÂ£ÕŠæ?@)†„àAÂ£ÕŒ'.I@&U´@AÂ£Õh&@'î€AÂ£ÕŽ©@&U´@AÂ£Õéýß@%‰€ AÂ£Õ‘*í»@$½KàAÂ£Õ’kÝ˜@)†„àAÂ£Õ“¬Íu@"X¯€AÂ£Õ”í½Q@"X¯€AÂ£Õ–..@'î€AÂ£Õ—o @%‰€ AÂ£Õ˜°Œç@)†„àAÂ£Õ™ñ|@&U´@AÂ£Õ›2kø@'!è`AÂ£Õœs[Õ@*R¹AÂ£Õ´K²@'!è`AÂ£Õžõ;Ž@$½KàAÂ£Õ 6+k@(ºPÀAÂ£Õ¡wH@'î€AÂ£Õ¢¸$@&U´@AÂ£Õ£øû@+ë!@AÂ£Õ¥9êÝ@(ºPÀAÂ£Õ¦zÚº@(ºPÀAÂ£Õ§»Éï@$½KàAÂ£Õ¨ü¹Ë@*R¹AÂ£Õª=©¨@#$ã AÂ£Õ«~™…@&U´@AÂ£Õ¬¿‰a@"X¯€AÂ£Õ®y>@'î€AÂ£Õ¯Ai@)†„àAÂ£Õ°‚X÷@#ñÀAÂ£Õ±ÃHÔ@%‰€ AÂ£Õ³8°@)†„àAÂ£Õ´E(@!Œ{@AÂ£Õµ†j@#ñÀAÂ£Õ¶ÇF@&U´@AÂ£Õ¸÷{@(ºPÀAÂ£Õ¹HçX@'!è`AÂ£Õº‰×4@!Œ{@AÂ£Õ»ÊÇ@&U´@AÂ£Õ½¶í@"X¯€AÂ£Õ¾L¦Ê@$½KàAÂ£Õ¿–§@#$ã AÂ£ÕÀÎ†ƒ@$½KàAÂ£ÕÂv`@*R¹AÂ£ÕÃPf<@#ñÀAÂ£ÕÄ‘V@%‰€ AÂ£ÕÅÒEö@)†„àAÂ£ÕÇ5+@#ñÀAÂ£ÕÈT%@#ñÀAÂ£ÕÉ•ä@#ñÀAÂ£ÕÊÖÀ@(ºPÀAÂ£ÕÌô@&U´@AÂ£ÕÍWäz@'î€AÂ£ÕÎ˜ÔV@'!è`AÂ£ÕÏÙÄ3@+í AÂ£ÕÑ´@&U´@AÂ£ÕÒ[£ì@$½KàAÂ£ÕÓœ“É@(ºPÀAÂ£ÕÔÝƒ¥@è& AÂ£ÕÖs‚@,·U€AÂ£Õ×_c^@(ºPÀAÂ£ÕØ S;@#ñÀAÂ£ÕÙáBp@*R¹AÂ£ÕÛ"2M@&U´@AÂ£ÕÜc")@&U´@AÂ£ÕÝ¤@$½KàAÂ£ÕÞåâ@$½KàAÂ£Õà%ñ¿@.O½ÀAÂ£Õáfáœ@*R¹