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 = '01165354000' / Observation ID TARG_ID = '1165354 ' / 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 = 703970386.39312 / Start time DATE-OBS= '2023-04-23T19:19:46.4' / Start Date TSTOP = 703970608.91472 / Stop time DATE-END= '2023-04-23T19:23:28.9' / 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 = '2023-04-23T19:25:14' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -31.15874 / UTCF at TSTART CHECKSUM= 'ZMaLbLaIZLaIbLaI' / HDU checksum updated 2023-04-23T19:25:14 DATASUM = ' 0' / data unit checksum updated 2023-04-23T19:25:14 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 = '01165354000' / Observation ID TARG_ID = '1165354 ' / 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 = '2023-04-23T19:25:14' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 703970386.39312 / Start time DATE-OBS= '2023-04-23T19:19:46.4' / Start Date TSTOP = 703970608.91472 / Stop time DATE-END= '2023-04-23T19:23:28.9' / Stop Date UTCFINIT= -31.15874 / 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 = 1165354 / Trigger Number XRA_OBJ = 122.610176086426 / [deg] XRT RA location GRB or Object XDEC_OBJ= -21.9231986999512 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 222.521600008011 / TSTOP - TSTART ONTIME = 219.358917236328 / Time on target LIVETIME= 219.358917236328 / Ontime multiplied by DEADC EXPOSURE= 219.358917236328 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -31.15874 / [s] UTC Correction TIME UTCCSEC = -32 / UTC Correction Seconds UTCCSUBS= 42063 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 703970609.04482 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 703970609 / ccsds PacKeT SEConds PKTSUBS = 2241 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'FdNTGbNSFbNSFbNS' / HDU checksum updated 2023-04-23T19:25:14 DATASUM = '376181862' / data unit checksum updated 2023-04-23T19:25:14 END A)2QA)p@\= A)JM@JA*|@?١@A+ @0ܠA+33@{A,b@RdA,y@6{A--@4A-H@ATA.>c @<aA.O@[*A/O~@ApA/L@&{A0`5@,aA0d@/١@A1r5@= 1 A1@5A2{J@F{A3 y@"@A3@([ A4eA6@i jA7@`f`A9/@_hA:p @aKA;@`G A3g@`A?tW~@Sqw A@H@aXAA7@Vo:AC7'@UADx@WԖAE@bCAF@a`AH:@aYn@AI{ײ@bAJǏ@bCAK@arAM>@bAN@aAO@a AQw@cK-`ARBh @a ASW@bK@ATG@a3$AV6@b@AWF&@a`AXY@XCAY5@cב@A[@b%`A\I@WԖA]s@br6A^P@c~:`A` ,@bAaM @b Ab@c1Acχj@b@AewG@Vo:AfQg#@b`AgW@d @AhF@aXAj7a@WaAkU'=@c@Al@cqw Am@U Ao@bApXX@eAq4@WaAr@daAt@X!)Au\@cqw AvN@c$Awއ+@cAyw@U Az`f@WA{V@c ] A|GE@VGA~#7"@d}{Ad&@WAހ@b֠Aށ@dp`Aރ&<@bPAބgq@e AޅM@bAކ*@c~:`Aވ*@c1Aމk@dc Aފh@cK-`AދD@WAލ.v!@XAގoe@eVsAޏV@cK-`AސF_@bCAޒ26;@d`Aޓs&@c>j Aޔ@VGAޕy@aKAޗ5U@b@