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 = '01220156000' / Observation ID TARG_ID = '1220156 ' / 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 = 732187608.0095 / Start time DATE-OBS= '2024-03-15T09:26:48.0' / Start Date TSTOP = 732187713.6205 / Stop time DATE-END= '2024-03-15T09:28:33.6' / 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 = '2024-03-15T09:42:06' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -33.08964 / UTCF at TSTART CHECKSUM= '5FeN59cN5EcN59cN' / HDU checksum updated 2024-03-15T09:42:06 DATASUM = ' 0' / data unit checksum updated 2024-03-15T09:42:06 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 = '01220156000' / Observation ID TARG_ID = '1220156 ' / 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 = '2024-03-15T09:42:06' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 732187608.0095 / Start time DATE-OBS= '2024-03-15T09:26:48.0' / Start Date TSTOP = 732187713.6205 / Stop time DATE-END= '2024-03-15T09:28:33.6' / Stop Date UTCFINIT= -33.08964 / 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 = 1220156 / Trigger Number XRA_OBJ = 244.3076171875 / [deg] XRT RA location GRB or Object XDEC_OBJ= -15.6813106536865 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.610999941826 / 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= -33.08964 / [s] UTC Correction TIME UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 45518 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 732187713.64478 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 732187713 / ccsds PacKeT SEConds PKTSUBS = 32239 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'haHKjTEJhYEJhYEJ' / HDU checksum updated 2024-03-15T09:42:06 DATASUM = '3749211186' / data unit checksum updated 2024-03-15T09:42:06 END A%7LA%8kA%?)@~ A% @yA%풄@{uA%(@r7A%>@sA%,m@pA%@p7A%=@sA%WT@vwA%N@oC A%ם@q6A%`@:@psA%i@ihA%q@m A%)@dA%O@iA% o~@h,A%@hA%5@emA%Xd@eA%-@f!A%@eA%?AJ@bbRA%z@c A%P@a|A%*0@d_A%a`@a6A%p@`A%sf@bFA%@[yA%Z@fA% L@] 1 A%@ZvA%C@^ A%2@] A%/a@d#A%+@[mA&@@VhA&rG@WkPA&R@^ A&ڷ@ZA&c[-@WkPA&]@jA&t@[yA&D@YJA&C@YA&@YA&,@]F% A&)@`A&r@SpA&1@R4A&@X[ A&B\@\VU A&m@UǤA& S@fA& E@Z:A& dS@W/\A& 틂@T#A& v.@QA& @]F% A& ti@UOA& @` ʠA& @R@A&!]O@_a@A&~@N A&2@Z:A&F@R@A&Cd@KyA&̌@UǤA&U/@QTA&J@WkPA&fuy@WkPA&@UǤA&w0@M 1 A&^_@N A&@PdA&e@N A&G@HA&"@Nq A&L@;*A&40@G8A&@RDXA&Ew2@V{A&a@F{A&V@O١@A&`@D#A&hG@K*A&@?١@A&yH@S4(A&-@IA&@Nq A&1@F{A&@F{A&$xB@QA&@WkPA&5@`A&a(@FA& G@T#