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 = '01160641000' / Observation ID TARG_ID = '1160641 ' / 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 = 700992141.60956 / Start time DATE-OBS= '2023-03-20T08:02:21.6' / Start Date TSTOP = 700992247.22838 / Stop time DATE-END= '2023-03-20T08:04:07.2' / 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 = '2023-03-20T08:04:44' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -30.9559 / UTCF at TSTART CHECKSUM= 'ZOkTeNjQZNjQdNjQ' / HDU checksum updated 2023-03-20T08:04:44 DATASUM = ' 0' / data unit checksum updated 2023-03-20T08:04:44 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 = '01160641000' / Observation ID TARG_ID = '1160641 ' / 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 = '2023-03-20T08:04:44' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 700992141.60956 / Start time DATE-OBS= '2023-03-20T08:02:21.6' / Start Date TSTOP = 700992247.22838 / Stop time DATE-END= '2023-03-20T08:04:07.2' / Stop Date UTCFINIT= -30.9559 / 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 = 1160641 / Trigger Number XRA_OBJ = 248.493041992188 / [deg] XRT RA location GRB or Object XDEC_OBJ= -47.3660774230957 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.618819952011 / 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= -30.9559 / [s] UTC Correction TIME UTCCSEC = -31 / UTC Correction Seconds UTCCSUBS= 2205 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 700992247.34168 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 700992247 / ccsds PacKeT SEConds PKTSUBS = 17084 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'ZAbnd4bkZ9bkd9bk' / HDU checksum updated 2023-03-20T08:04:44 DATASUM = '2337138684' / data unit checksum updated 2023-03-20T08:04:44 END A%FA%G/A%GO@v]A%G׬@t_A%H`OL@sA%H@pUA%Iq@vkA%I82@sA%Jb@qgA%K ~@qsA%K!@x[ A%L@qjA%Lh@qgA%M. @qcA%M@sA%N?Q@r4A%N4@qcA%OP@tnA%O9@s.A%Pa@t}A%PI@u֡A%Qs"@tA%Qƨ@vzA%Ri@sA%S @s1A%S6@pA%TR@r&^A%T@pA%U/@q6A%U@v?A%\3@pA%\@sA%]1&@qpA%]@qA%^BmH@s A%^@rDXA%_S@rSUA%_V@rLA%`d@rdA%`휍@uA%av?@spA%a@qEA%b@pͣA%c(@pdA%c@rbRA%d!o@sA%d0@s.A%e2_@t_A%eW@rqOA%fC@o@A%f̞E@u^A%gUB@tA%g@p(ĠA%hf@rbRA%h+@uA%iw1@psA%jp@s%+A%j@tAA%k@q'A%kZG@s1A%l"@pFA%l@raA%m4C-@wMVA%m\@pA%nE@r4A%n,@tA%oV@r:A%os@sA%ph@uA%p@uA%qy[@s4(A%r.@t#A%r@u@A%sD@tA%s@sC%A%t$D@psA%t-@spA%u5@s4(A%ut@tA%vG@sR"A%vϺ@tA%wX]@qmA%w@o@A%xi@sA%xGE@umA%yz@sA%z@qsA%z0+@pܠA%{[@v?