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 = '01129775000' / Observation ID TARG_ID = '1129775 ' / 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 = 687656488.79474 / Start time DATE-OBS= '2022-10-16T23:41:28.8' / Start Date TSTOP = 687656627.198 / Stop time DATE-END= '2022-10-16T23:43:47.2' / 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 = '2022-10-16T23:43:33' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -30.04816 / UTCF at TSTART CHECKSUM= 'hHaOiGYOhGaOhGYO' / HDU checksum updated 2022-10-16T23:43:33 DATASUM = ' 0' / data unit checksum updated 2022-10-16T23:43:33 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 = '01129775000' / Observation ID TARG_ID = '1129775 ' / 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 = '2022-10-16T23:43:33' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 687656488.79474 / Start time DATE-OBS= '2022-10-16T23:41:28.8' / Start Date TSTOP = 687656627.198 / Stop time DATE-END= '2022-10-16T23:43:47.2' / Stop Date UTCFINIT= -30.04816 / 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 = 1129775 / Trigger Number XRA_OBJ = 38.9505767822266 / [deg] XRT RA location GRB or Object XDEC_OBJ= -34.619083404541 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 138.403259992599 / TSTOP - TSTART ONTIME = 136.155624389648 / Time on target LIVETIME= 136.155624389648 / Ontime multiplied by DEADC EXPOSURE= 136.155624389648 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -30.04816 / [s] UTC Correction TIME UTCCSEC = -31 / UTC Correction Seconds UTCCSUBS= 47592 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 687656627.24482 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 687656627 / ccsds PacKeT SEConds PKTSUBS = 12241 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'ZIb6dIZ5ZIa5dIY5' / HDU checksum updated 2022-10-16T23:43:33 DATASUM = '774216212' / data unit checksum updated 2022-10-16T23:43:33 END A~ge A~g*A~gO@YA~gg~@[mA~gL@2@A~gx5@*:A~gd@- A~g4@@ܠA~g@*:A~g{J@> A~g$@9JA~g@/١@A~g5d0@C4(A~g_@@dA~gF@FA~gM@8[ A~gWE@- A~g@@ܠA~gi5T@@ܠA~g؄@$A~gz{ @ApA~g:@?١@A~gj@<aA~g d@- A~g !@1pA~g!%P@2@A~g!M@QTA~g"6@0ܠA~g"6@= 1 A~g#H6e@9JA~g#@{A~g$Y|@ApA~g$K@UA~g%jz@YA~g%e@$A~g&|1@9JA~g'`@@A~g'M@?١@A~g(@{A~g(F@:A~g)'7v@EA~g)@CA~g*8|@&{A~g*@:A~g+I;@4A~g+ek@4A~g,[@:A~g,"@FhA~g-lNQ@GkPA~g-@ ܠA~g.}@8[ A~g/77@@dA~g/f@D#A~g0}@*:A~g0 @@A~g1(L@$A~g1f{@*:A~g2: @= 1 A~g2¬2@@A~g3KOa@5A~g3@9JA~g4\@;*A~g48G@7kPA~g5mw@@ܠA~g5}@*:A~g6!-@HA~g7]@ A~g7f@2@A~g8 l@/١@A~g8@:A~g9*O@::A~g9R@{A~g:;@::A~g:8@6{A~g;L8@@dA~g;~g@- A~g<^!@ A~g<@,aA~g=ogM@  A~g= |? 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