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 = '00987016000' / Observation ID TARG_ID = '987016 ' / 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 = 618420638.39468 / Start time DATE-OBS= '2020-08-06T15:30:38.4' / Start Date TSTOP = 618420743.99276 / Stop time DATE-END= '2020-08-06T15:32:24.0' / 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 = '2020-08-06T15:44:31' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -25.41282 / UTCF at TSTART CHECKSUM= 'gIaTgGVQgGaQgGUQ' / HDU checksum updated 2020-08-06T15:44:31 DATASUM = ' 0' / data unit checksum updated 2020-08-06T15:44:31 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 = '00987016000' / Observation ID TARG_ID = '987016 ' / 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 = '2020-08-06T15:44:31' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 618420638.39468 / Start time DATE-OBS= '2020-08-06T15:30:38.4' / Start Date TSTOP = 618420743.99276 / Stop time DATE-END= '2020-08-06T15:32:24.0' / Stop Date UTCFINIT= -25.41282 / 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 = 987016 / Trigger Number XRA_OBJ = 52.9010353088379 / [deg] XRT RA location GRB or Object XDEC_OBJ= 37.0740013122559 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.598079919815 / 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= -25.41282 / [s] UTC Correction TIME UTCCSEC = -26 / UTC Correction Seconds UTCCSUBS= 29359 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 618420744.04494 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 618420744 / ccsds PacKeT SEConds PKTSUBS = 2247 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'VpKdXnHbVnHbVnHb' / HDU checksum updated 2020-08-06T15:44:31 DATASUM = '2859137867' / data unit checksum updated 2020-08-06T15:44:31 END An,2An,i[An,ϰ@hAn,9@UAn,-@SpAn,J>@UOAn,r@M An,\@M An,$@YAn,m\S@[*An,@UǤAn,~b@O١@An,D@KyAn,Տ@IAn,@Nq An,֡.@PAn,)Ц@F{An,ײs@Q|An,;@GkPAn,ú4@D#An,L]d@SAn,@H[ An,]@C4(An,E@EAn,n@ZvAn,Y@M An,܀.@LaAn,ѷ@SAn,ݑt@M An,@O١@An,ޢ@PdAn,+]@\aAn,ߴ@LI An,<+@G8An,GZ@K*An,M@FAn,֌i@@ܠAn,_/@GkPAn,@X[ An,pu@PܠAn,~@LaAn,䁻@FAn, ^@?١@An, @RDXAn,<@SAn,G@@ܠAn,,@4An,絎"@7kPAn,>1Q@^ An,@WDAn,Ov`@&{An,@ATAn,`@IJAn,_@V{An,r@@ܠAn,@= 1 An,H@- An, @O١@An,픏2@ZAn,2a@JAn,@IJAn,.x@FhAn,@1pAn,?@ATAn,`W@F{An,Q@DAn,٦@Oa@An,bI@YAn,@J:An,s@@dAn,2@@ܠAn,@Z:An, y)@EAn,X@EAn,@B@An,b@7kPAn,0@J:An,@;*An,AJ@6{An,|@CAn,R@> An,3@B@An,c @5An,z:@ApAn,u@CAn,@@ܠAn,c @ApAn,O@BDXAn,~@R@An, K^@> An,@Oa@An,1@G8An,4@C4(An-B@F{An-z@O١@An-T@J:An-@DAn-ed0@;*An-_@5An-v@D