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 = '01163401000' / Observation ID TARG_ID = '1163401 ' / 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 = 702709385.59302 / Start time DATE-OBS= '2023-04-09T05:03:05.6' / Start Date TSTOP = 702709612.4334 / Stop time DATE-END= '2023-04-09T05:06:52.4' / 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 = '2023-04-09T05:06:31' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -31.07284 / UTCF at TSTART CHECKSUM= 'lHgPoGgNlGgNlGgN' / HDU checksum updated 2023-04-09T05:06:31 DATASUM = ' 0' / data unit checksum updated 2023-04-09T05:06:31 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 = '01163401000' / Observation ID TARG_ID = '1163401 ' / 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 = '2023-04-09T05:06:31' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 702709385.59302 / Start time DATE-OBS= '2023-04-09T05:03:05.6' / Start Date TSTOP = 702709612.4334 / Stop time DATE-END= '2023-04-09T05:06:52.4' / Stop Date UTCFINIT= -31.07284 / 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 = 1163401 / Trigger Number XRA_OBJ = 329.512664794922 / [deg] XRT RA location GRB or Object XDEC_OBJ= 52.8622970581055 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 226.840380072594 / TSTOP - TSTART ONTIME = 223.678314208984 / Time on target LIVETIME= 223.678314208984 / Ontime multiplied by DEADC EXPOSURE= 223.678314208984 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -31.07284 / [s] UTC Correction TIME UTCCSEC = -32 / UTC Correction Seconds UTCCSUBS= 46358 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 702709612.52504 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 702709612 / ccsds PacKeT SEConds PKTSUBS = 26252 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9dc3Jac19ac1Gac1' / HDU checksum updated 2023-04-09T05:06:31 DATASUM = '3729557682' / data unit checksum updated 2023-04-09T05:06:31 END A?DA?E >@PܠA?E@1pA?Fw@{A?F'@@ܠA?G,@([ A?Gm]@@A?H>@1pA?HƳ@> A?IOVC@,aA?I@&{A?J`@4A?J?)@/١@A?Kq@- A?K@RDXA?L(@:A?M @  A?Mm@&{A?NM? A?P@-A?Qn@8PA?S/^@: A?TpN@9 jA?U>@6@A?V-@: A?X3@6U@A?Yt @7!`A?Z@7A?[1@8PA?]6@4W1A?^w@6@A?_@6U@A?`@9 jA?b:1@7A?c{ @5#fA?dxB@8T6A?eh@9A?g>WT@9 jA?hG0@7!`A?i6e@5 A?k&B@8T6A?lB@9A?m@8T6A?n@6U@A?pe@5 A?qEA@4KA?r@8T6A?sDz@5 A?u@6U@A?vId@5 A?w@5#fA?xp@1{@A?z `@4W1A?{MO@8T6A?|?@7!`A?}.@6@A?@5 A?Q@3A?@9A?@7!`A?@7!`A?T%@6@A?@6U@A?֫@6@A?@5 A?XH@6U@A?z%@3A?j@7A?Y6@@G A?\Hk@5#fA?8G@4KA?($@5#fA?Y@5 A?`@4W1A?j@: A?G@9A?"|@3$A?cX@8PA?@5 A?j@4KA?&@6U@A?g{@4W1A?r@5 A?b@8PA?*Q@5 A?kA@7A?1{@3A? @7!`A?.@9A?n@8PA?@7!`A?z@5 A?1@5 A?r@5 A?@3A?@5 A?5*@6U@A?v|@6@A?k@6U@A?[@7