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 = '01144698000' / Observation ID TARG_ID = '1144698 ' / 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 = 692882588.41332 / Start time DATE-OBS= '2022-12-16T11:23:08.4' / Start Date TSTOP = 692882694.02756 / Stop time DATE-END= '2022-12-16T11:24:54.0' / 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 = '2022-12-16T11:24:30' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -30.40358 / UTCF at TSTART CHECKSUM= 'fFhSiFZPfFfPfFZP' / HDU checksum updated 2022-12-16T11:24:30 DATASUM = ' 0' / data unit checksum updated 2022-12-16T11:24:30 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 = '01144698000' / Observation ID TARG_ID = '1144698 ' / 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 = '2022-12-16T11:24:30' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 692882588.41332 / Start time DATE-OBS= '2022-12-16T11:23:08.4' / Start Date TSTOP = 692882694.02756 / Stop time DATE-END= '2022-12-16T11:24:54.0' / Stop Date UTCFINIT= -30.40358 / 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 = 1144698 / Trigger Number XRA_OBJ = 326.023101806641 / [deg] XRT RA location GRB or Object XDEC_OBJ= -34.4067153930664 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.614240050316 / 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= -30.40358 / [s] UTC Correction TIME UTCCSEC = -31 / UTC Correction Seconds UTCCSUBS= 29821 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 692882694.0449 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 692882694 / ccsds PacKeT SEConds PKTSUBS = 2245 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'WFeJW9bIWCbIW9bI' / HDU checksum updated 2022-12-16T11:24:30 DATASUM = '1127053407' / data unit checksum updated 2022-12-16T11:24:30 END AĦFN4AĦFNkAĦFNF @n AĦFO=@dAĦFOƌi@`FAĦFPO/@_a@AĦFP@f!AĦFQ`uO@h[ AĦFQ&@] AĦFRqV@d}AĦFR_@[*AĦFS\@\aAĦFT @V{AĦFTI@W8AĦFUB@`(ĠAĦFU@eAĦFV.2@WkPAĦFV@YAĦFW?x@X,AĦFW@WkPAĦFXP@bLAĦFXb@bbRAĦFYb@fAĦFY꩓@f]AĦFZsL@fAĦFZ@d#AĦF[!@hAĦF\ 6P@ksAĦF\@kyAĦF]|@n AĦF] @ksAĦF^/ @iJAĦF^f<@iAĦF_A l@dAAĦF_ɭC@^5 AĦF`RO@iAĦF`@n AĦFac)@ltO AĦFa:@hAĦFbt/@c4(AĦFb@dAĦFc#@lC AĦFdƽ@l8[AĦFdi@lC AĦFe @mF% AĦFeK@lI AĦFf1Sz@n AĦFf@fnAĦFgB@ltO AĦFg<`@c.AĦFhS7@d_AĦFh܃f@l8[AĦFie&@g>AĦFi@^ AĦFjvl@m AĦFj#@cpAĦFkS@cpAĦFlW*@YAĦFlY@\VU AĦFm!@^ AĦFm@@_١@AĦFn2@^ AĦFn@fzAĦFoD*E@a6AĦFo@cpAĦFpUp@e1AĦFp@md AĦFqf@x2AĦFqY@umAĦFrwa@vwAĦFs@tAĦFsC@o AĦFt@oC AĦFt@p7AĦFu#-M@s AĦFu}@xAĦFv4tT@weAĦFv@uAĦFwE @w/\AĦFw]:@wGAĦFxW@yAĦFxߤ@@~ AĦFyhGo@~ AĦFy@yAĦFzy@uAĦF{0@w/\AĦF{,@zAĦF|w\@wzMAĦF|@tAĦF}$@u|AĦF}`@pdAĦF~6@p띠AĦF~H@qyAĦFGJw@kgAĦF@f{AĦFX}@gDAĦF4@f!AĦFi4@cAĦFzc@bdAĦF{:@g8