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 = '01192482000' / Observation ID TARG_ID = '1192482 ' / 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 = 716697136.99374 / Start time DATE-OBS= '2023-09-18T02:32:17.0' / Start Date TSTOP = 716697242.57096 / Stop time DATE-END= '2023-09-18T02:34:02.6' / 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 = '2023-09-18T02:38:34' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -32.0286 / UTCF at TSTART CHECKSUM= 'fCaPhAXOfAaOfAUO' / HDU checksum updated 2023-09-18T02:38:34 DATASUM = ' 0' / data unit checksum updated 2023-09-18T02:38:34 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 = '01192482000' / Observation ID TARG_ID = '1192482 ' / 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 = '2023-09-18T02:38:34' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 716697136.99374 / Start time DATE-OBS= '2023-09-18T02:32:17.0' / Start Date TSTOP = 716697242.57096 / Stop time DATE-END= '2023-09-18T02:34:02.6' / Stop Date UTCFINIT= -32.0286 / 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 = 1192482 / Trigger Number XRA_OBJ = 244.67024230957 / [deg] XRT RA location GRB or Object XDEC_OBJ= -15.421215057373 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.577220082283 / 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= -32.0286 / [s] UTC Correction TIME UTCCSEC = -33 / UTC Correction Seconds UTCCSUBS= 48570 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 716697242.74168 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 716697242 / ccsds PacKeT SEConds PKTSUBS = 37084 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5mkfAlif6lifAlif' / HDU checksum updated 2023-09-18T02:38:34 DATASUM = '2180651952' / data unit checksum updated 2023-09-18T02:38:34 END A[2A[ A[?@1A[n@^A[ (@`A[%@pA[oT@pA[@)@A[. @?,A[X:@rA[?j@TA[Ȟ@$`A[QA @!߀A[P@A[b@M: A[+V@vqA[ s@P A[ q @A[!<@0/A[" k@b@A["Y@Y@A[#"@L A[#Q@M: A[$0C@iA[$@`A[%A7@W A[%,g@ÅA[&Rϖ@bA[&r@ A['dM@%A['|@A[(u\S@҂A[(@A[) @+ A[*E9@bA[*h@F A[+ @uA[+.@_A[,1N@|A[,t~@A A[-C@`A[-˺4@\7 A[.T]d@ߠA[.@_A[/e@`A[/FJ@A A[0v!@z1 A[0P@ A[1/@A[2@ڭA[2v6@( A[3"e@V@A[3@kA[43_@!A[4K@O A[5Dz@G@A[5H@A[6U1@F A[6ގa@kw@A[7g1@A[7@A[8xw@A[9@A[9M@+A[:`@@A[:@N)A[;#3@e`A[;Jb@'A[<4@͠A[<@PA[=F3H@bA[=w@KZA[>Wx@A[>.@""A[?h]@4A[?b@ A[@z@sA[A@>= A[AL@`A[BJ@=`A[B@A[C%5@A[C0@Q<A[D6{_@@A[D@DA[EG@@A[EdE@A[FYt@ʠA[F@A[GjM+@7A[G@R A[H{1@wA[I6@A[I@n`A[J}@A[J G@gA[K&@ @A[Ke@h@A[L8 -@U A[L\@B?