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 = '00882252000' / Observation ID TARG_ID = '882252 ' / 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 = 568474591.41298 / Start time DATE-OBS= '2019-01-06T13:36:31.4' / Start Date TSTOP = 568474696.9769 / Stop time DATE-END= '2019-01-06T13:38:17.0' / 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 = '2019-01-06T13:38:02' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -22.20496 / UTCF at TSTART CHECKSUM= 'jFcJkCcIjCcIjCcI' / HDU checksum updated 2019-01-06T13:38:02 DATASUM = ' 0' / data unit checksum updated 2019-01-06T13:38:02 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 = '00882252000' / Observation ID TARG_ID = '882252 ' / 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 = '2019-01-06T13:38:02' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 568474591.41298 / Start time DATE-OBS= '2019-01-06T13:36:31.4' / Start Date TSTOP = 568474696.9769 / Stop time DATE-END= '2019-01-06T13:38:17.0' / Stop Date UTCFINIT= -22.20496 / 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 = 882252 / Trigger Number XRA_OBJ = 29.8891525268555 / [deg] XRT RA location GRB or Object XDEC_OBJ= 23.8637046813965 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.563920021057 / 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= -22.20496 / [s] UTC Correction TIME UTCCSEC = -23 / UTC Correction Seconds UTCCSUBS= 39752 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 568474697.04496 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 568474697 / ccsds PacKeT SEConds PKTSUBS = 2248 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9aOXCWNX9aNXAWNX' / HDU checksum updated 2019-01-06T13:38:02 DATASUM = '3496674984' / data unit checksum updated 2019-01-06T13:38:02 END A܇A볧A.B@zArq@yA@H@w;Aȹx@vzAQ\@tA@~ Ab@zAE@yAs@yA@{gA/@yA J@١@Auy@4 A@{jA@yA0_@x.)A6@w/\AAe@u֡AH@qEAR@w>Aێ@uAd2#@kmAR@p(ĠAux@m 1 A @gDA8@h=&Aag@emA@fzA m@dAK@b:A1@`FA@_a@AC4@`dAײ@\VU ATz@bDXA@_a@Ae@@PdAdo@VhAw@S4(A@cpAM@] A,@] 1 A[@T_A"7@SAں@Oa@A3}@P(ĠA!@HA DH@Q|A gw@WDA V @UA ޭ.@EA gP]@UA @P(ĠA x@EA :@G8A @QpA@EA$ @CA#P@EAi@EA5 @IA6@DAFSe@= 1 A@V?AW@G8A<@M 1 Ah"@@ܠA@T_Az&@@dAɰ@UǤAl@CA@V{A>@F{A%Vm@X,A@2@A6@C4(A?S@6{AG@@ܠAЅ@ApAY(@EA̸@M Ajo@4A@3A{F@H[ AYu@CA@,aA,@8[ AB[@@ܠA&@= 1 A@9JA 8+@1pA @= 1 A!IrG@> A!@9JA"Z@ATA"[@?١@A#k@0ܠA#4@<a