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 = '01340561000' / Observation ID TARG_ID = '1340561 ' / 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 = 776274373.79422 / Start time DATE-OBS= '2025-08-07T15:46:13.8' / Start Date TSTOP = 776274479.42924 / Stop time DATE-END= '2025-08-07T15:47:59.4' / 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 = '2025-08-07T15:47:38' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -36.10424 / UTCF at TSTART CHECKSUM= 'ZDZLgCXLZCXLdCXL' / HDU checksum updated 2025-08-07T15:47:38 DATASUM = ' 0' / data unit checksum updated 2025-08-07T15:47:38 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 = '01340561000' / Observation ID TARG_ID = '1340561 ' / 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 = '2025-08-07T15:47:38' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 776274373.79422 / Start time DATE-OBS= '2025-08-07T15:46:13.8' / Start Date TSTOP = 776274479.42924 / Stop time DATE-END= '2025-08-07T15:47:59.4' / Stop Date UTCFINIT= -36.10424 / 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 = 1340561 / Trigger Number XRA_OBJ = 15.5789270401001 / [deg] XRT RA location GRB or Object XDEC_OBJ= -59.0871238708496 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.635020017624 / 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= -36.10424 / [s] UTC Correction TIME UTCCSEC = -37 / UTC Correction Seconds UTCCSUBS= 44788 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 776274479.54172 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 776274479 / ccsds PacKeT SEConds PKTSUBS = 27086 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '91X8G0W790W7G0W7' / HDU checksum updated 2025-08-07T15:47:38 DATASUM = '2284031857' / data unit checksum updated 2025-08-07T15:47:38 END A"A"A"hĜ@`FA"g@6{A"z @0ܠA"@@ܠA"P@7kPA"@<aA"朖h@BDXA"%9@RLA"@@dA"6N@C4(A""}@@dA"GŬ@C4(A"h4@@dA"Y c@0ܠA"ᮒ@> A"jQ@8[ A"I@> A"{x@@dA":@= 1 A"/@Nq A"^@7kPA"#@6{A"&@4A"iD@9JA"8 t@ihA"@EA"IR*@F{A"Z@D#A"Z@DA";@]F% A"k@@ApA"@X[ A"}$@H[ A"@BDXA"j@D#A",@CA"@R4A"(S@B@A"@SA"9@3A"<@/١@A"J@> A"ӂ@K*A"\%@T#A"@EA"ml @0ܠA"@6{A"~@2@A"T@ATA"{@CA"@?١@A"=@ApA")a@EA"@;*A";&@([ A"@/١@A"Llv@*:A"@- A"]@CA"U\@IA"n@9JA"@9JA">@@dA"@= A"I@IA"(x@EA"@IA"+n/@G8A"^@W/\A"<@S4(A"W@K*A" MD@WkPA" ֜@N A" _?@PA" *@M A" pY@W8A" (@J:A" @`ܠA" o?@HA" @P(ĠA"@P(ĠA"X%@EA",@SA"@X[ A">A @VhA";@N A"O@Nq A")@M A"`!@IJA"o@KyA"r@DA"@@ܠA"X@CA" e@BDXA"@` ʠA"B@CA"K@8[ A".{@>