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 = '00686761000' / Observation ID TARG_ID = '686761 ' / 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 = 485255442.00954 / Start time DATE-OBS= '2016-05-18T09:10:42.0' / Start Date TSTOP = 485255688.54936 / Stop time DATE-END= '2016-05-18T09:14:48.5' / 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 = '2016-05-18T09:29:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -16.28534 / UTCF at TSTART CHECKSUM= 'WCeNaBbNWBbNaBbN' / HDU checksum updated 2016-05-18T09:29:10 DATASUM = ' 0' / data unit checksum updated 2016-05-18T09:29:10 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 = '00686761000' / Observation ID TARG_ID = '686761 ' / 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 = '2016-05-18T09:29:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 485255442.00954 / Start time DATE-OBS= '2016-05-18T09:10:42.0' / Start Date TSTOP = 485255688.54936 / Stop time DATE-END= '2016-05-18T09:14:48.5' / Stop Date UTCFINIT= -16.28534 / 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 = 686761 / Trigger Number XRA_OBJ = 293.714416503906 / [deg] XRT RA location GRB or Object XDEC_OBJ= 21.8795051574707 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 246.539819955826 / TSTOP - TSTART ONTIME = 244.140426635742 / Time on target LIVETIME= 244.140426635742 / Ontime multiplied by DEADC EXPOSURE= 244.140426635742 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -16.28534 / [s] UTC Correction TIME UTCCSEC = -17 / UTC Correction Seconds UTCCSUBS= 35733 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 485255688.64922 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 485255688 / ccsds PacKeT SEConds PKTSUBS = 32461 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '7SWS9QUP7QUP7QUP' / HDU checksum updated 2016-05-18T09:29:10 DATASUM = '577842024' / data unit checksum updated 2016-05-18T09:29:10 END Aiq7AipuAid@YAiK@7kPAi"Ai^L@I jAi,@F`Aib J@HT6Ai!@EVsAi$e˼@DYAi&u@E#fAi)i/@D>Ai+i@F@Ai.mIR@FU@Ai0*Z@F@Ai3q@F`Ai5}@E Ai8t6@F@Ai:?@E Ai=x@CAi?gb@F@AiB|G@E#fAiD%@D>AiG@DKAiJG@F@AiL@F"@AiOj@D$$AiQ#@D$$AiT e,@G!`AiVC@CAiY #O@DYAi[@D$$Ai^r@EVsAi`z@DKAic4@C Aie@D>Aih`W@C$Aij@@CAim!@CAio@D>Air;@DW1Ait@DW1Aiw#^@B%`Aiy~g@C Ai|'^ @A`Ai~=@CAi+C@EVsAi@DW1Ai.@A`Aio@CAi2(@CWAiz@A{@Ai6YK@A`Ai:T@B%`Ai: @B%`Aiw@BXAi=0@E Ai@CWAiA@BAiw\@A`AiEW@BXAi6@E#fAiI8@@T@Ai@@DYAiL@A&a@Aiδc@BXAiP@A`Ais@A&a@AiTR?@A&a@Ai3H@BAiX@A{@Aik@BAi[$@BXAiݰ@CAi_@BXAipP@A`AicP @@T@Ai.s@@Z- Aig,@A`Ai5@BXAij͟@@T@AiX@B%`Ain@A&a@Aik{@@Z- AirK4@A{@Ai,=@BXAiv @?& Ai`@@Z- Aiy@?& Ai@?& Ai}@CWAiiD@?& AiG@@Z- Ai'g@@: Ai!@AYn@Ai@@: AiƓ@>OAj L@? Aj@? Ajdo@=o