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 = '00871316000' / Observation ID TARG_ID = '871316 ' / 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 = 563532300.0095 / Start time DATE-OBS= '2018-11-10T08:45:00.0' / Start Date TSTOP = 563532405.62084 / Stop time DATE-END= '2018-11-10T08:46:45.6' / 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 = '2018-11-10T08:46:30' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -21.89638 / UTCF at TSTART CHECKSUM= 'lJjOlHgMlHgMlHgM' / HDU checksum updated 2018-11-10T08:46:30 DATASUM = ' 0' / data unit checksum updated 2018-11-10T08:46:30 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 = '00871316000' / Observation ID TARG_ID = '871316 ' / 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 = '2018-11-10T08:46:30' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 563532300.0095 / Start time DATE-OBS= '2018-11-10T08:45:00.0' / Start Date TSTOP = 563532405.62084 / Stop time DATE-END= '2018-11-10T08:46:45.6' / Stop Date UTCFINIT= -21.89638 / 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 = 871316 / Trigger Number XRA_OBJ = 302.345367431641 / [deg] XRT RA location GRB or Object XDEC_OBJ= -36.9003715515137 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.61133992672 / 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= -21.89638 / [s] UTC Correction TIME UTCCSEC = -22 / UTC Correction Seconds UTCCSUBS= 5181 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 563532405.74162 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 563532405 / ccsds PacKeT SEConds PKTSUBS = 37081 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '8ABA82B488B988B9' / HDU checksum updated 2018-11-10T08:46:30 DATASUM = '2276636650' / data unit checksum updated 2018-11-10T08:46:30 END Ai7LAi8kAi?@֡Ai @OAi@% Ai(@"Ai@EAi ,o@ Ai E@@Ai =t@m`Ai X@Ai N+@ Ai מZ@S@Ai `A@!Ai @H>@Ai q@#@Ai +@Ai@z'Ai qv@@Ai@FAi@Ai[@$Ai-3@`Aib@Ai?D@ Ai@AiPH@&Ai-w@+AiaЦ@%Ais@Ais@ߠAi4@(Ai]d@2Ai @{Ai@#@AiFJ@ଠAi!@`Ai/P@ Ai0@褐Ai@Ӯ@{`Aiv6@`AiRe@/@Aiڼ@zt@Aic_@0Ai@*Ait"@AiIR@M}@Ai@ Ai@zMAi28@ Ai g@`Ai x@7 Ai!1@1 Ai!@Ai"Bb$@Ai"S@ Ai#S@ 7Ai#K@` Ai$d@3 Ai$@sUAi%v5?@4(Ai%o@G@Ai&z@dAi'&@G@Ai'U@Ai(!d@u@Ai(@R Ai)2@dAi)N@Ai*C@Y@Ai*̓@Ai+U6@Ai+@Ai,f}@m Ai,!-@[ Ai-w]@ Ai.f@Ai. @@Ai/C@d Ai/Pr@iAi0"@%Ai0@iAi14:@UAi1/@tO Ai2E@Ai2"@S@Ai3V@7Ai3iD@gAi4h t@6`Ai4K@,@Ai5ySz@rAi6@qvAi61@xAi7<`@fAi7ߏ@`Ai8$@+PAi8%@[Ai95@[mAi9lL@F% Ai:G@k