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 = '01177054000' / Observation ID TARG_ID = '1177054 ' / 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 = 709684222.59458 / Start time DATE-OBS= '2023-06-28T22:30:22.6' / Start Date TSTOP = 709684469.06494 / Stop time DATE-END= '2023-06-28T22:34:29.1' / 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 = '2023-06-28T22:49:26' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -31.54898 / UTCF at TSTART CHECKSUM= 'bHWJcEWJbEWJbEWJ' / HDU checksum updated 2023-06-28T22:49:26 DATASUM = ' 0' / data unit checksum updated 2023-06-28T22:49:26 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 = '01177054000' / Observation ID TARG_ID = '1177054 ' / 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 = '2023-06-28T22:49:26' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 709684222.59458 / Start time DATE-OBS= '2023-06-28T22:30:22.6' / Start Date TSTOP = 709684469.06494 / Stop time DATE-END= '2023-06-28T22:34:29.1' / Stop Date UTCFINIT= -31.54898 / 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 = 1177054 / Trigger Number XRA_OBJ = 171.842834472656 / [deg] XRT RA location GRB or Object XDEC_OBJ= -11.4480485916138 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 246.470359921455 / TSTOP - TSTART ONTIME = 244.140426635742 / Time on target LIVETIME= 244.140426635742 / Ontime multiplied by DEADC EXPOSURE= 244.140426635742 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -31.54898 / [s] UTC Correction TIME UTCCSEC = -32 / UTC Correction Seconds UTCCSUBS= 22551 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 709684469.12498 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 709684469 / ccsds PacKeT SEConds PKTSUBS = 6249 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '324ZA13Z613ZA13Z' / HDU checksum updated 2023-06-28T22:49:26 DATASUM = '2747070842' / data unit checksum updated 2023-06-28T22:49:26 END A&uL3A&uRA&u“K@QA&vK6z@ ܠA&v٩? A&vpH@1{@A&v|@6U@A&v@9 jA&v3@2ɀA&vtb@5#fA&v >@6@A&v @3$A&v 7@5 A&v x$@6U@A&vo@5#fA&v_@7A&v;Oa@5#fA&v|?@8PA&v/@:RA&v G@4KA&v?@6@A&v@4W1A&v,@5#fA&v @6@A&vBэ@4KA&vj@5 A&vı@8PA&v@5 A&v FO@9A&v!,@6U@A&v"r@3A&v$ c5@1`A&v%JS@7A&v&C@7A&v'3r@7A&v) #O@4KA&v*N+@7A&v+@3A&v,@6U@A&v.@6U@A&v/Q@5 A&v0r@3A&v1ӴN@8PA&v3@:RA&v4U@3A&v54@5#fA&v6u@4KA&v8e@4KA&v9YV@6U@A&v:E@5 A&v;6z@5 A&v=&W@7A&v>]@7A&v?@4KA&v@<@5 A&vB@6U@A&vC`ם@7A&vD!@5#fA&vE@7A&vG#@6@A&vHd_@9A&vI@5 A&vJx@4KA&vL'iD@8T6A&vMhY!@7A&vNI@4KA&vO:*@6@A&vQ+*@5 A&vRl@6@A&vS @7A&vTD@4KA&vV.!@5 A&vWoڥ@8T6A&vX)@2ɀA&vY@7A&v[2@8T6A&v\sg@3A&v]@7!`A&v^{@6U@A&v`6lL@6@A&vaw\)@6U@A&vbL@4KA&vc<@6@A&ve:-@4KA&vf{@5 A&vg o@7A&vh@;@A&vj=@4W1A&vk~U@6U@A&vl1@7!`A&vn@4W1A&voA:@8T6A&vp@7!`A&vqÏ@7!`A&vsx@6U@A&vtEo@5 A&vu`@7!`A&vvP]@6U@A&vx@@5 A&vyI0@7