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 = '00310785000' / Observation ID TARG_ID = '310785 ' / 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 = 231510456.19288 / Start time DATE-OBS= '2008-05-03T12:27:36.2' / Start Date TSTOP = 231510561.77028 / Stop time DATE-END= '2008-05-03T12:29:21.8' / 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 = '2008-05-03T12:29:26' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.76286 / UTCF at TSTART CHECKSUM= 'lLhImKeGlKeGlKeG' / HDU checksum updated 2008-05-03T12:29:26 DATASUM = ' 0' / data unit checksum updated 2008-05-03T12:29:26 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 = '00310785000' / Observation ID TARG_ID = '310785 ' / 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 = '2008-05-03T12:29:26' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 231510456.19288 / Start time DATE-OBS= '2008-05-03T12:27:36.2' / Start Date TSTOP = 231510561.77028 / Stop time DATE-END= '2008-05-03T12:29:21.8' / Stop Date UTCFINIT= -2.76286 / 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 = 310785 / Trigger Number XRA_OBJ = 286.626159667969 / [deg] XRT RA location GRB or Object XDEC_OBJ= 68.7822799682617 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.577399998903 / 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= -2.76286 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 11857 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 231510561.8466 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 231510561 / ccsds PacKeT SEConds PKTSUBS = 42330 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'kbXnkZUlkaUlkYUl' / HDU checksum updated 2008-05-03T12:29:26 DATASUM = '3899761935' / data unit checksum updated 2008-05-03T12:29:26 END A#pb+A#q>A#rQ:@d}A#tt;@^ A#vȴ@\VU A#xUq@d#A#zߏ@eA#|lL@aA# @cA#C@]F% A#f@\aA#@f]A#)_@fzA#ͳ}@] A#@:@bDXA#@avA#5W@WkPA#W@\= A#zp@VtA#L@^5 A# @YA#'@_a@A#@_a@A#'-@^5 A#I^@X[ A#lD|@b&^A#9@] A#[W@UǤA#@`dA#t@R@A#@WDA#;@T_A#^j@S4(A#'@RdA#1@SpA#ž@V{A#K^@S4(A# |@SA#-_@S4(A#OW@UǤA#ry@XA#ŕ@Oa@A#Ƿ@PdA#@Nq A#i@GkPA#6&@T_A#AD@RLA#dM@SA#Ԇپ@RDXA#֩f{@\= A#@RdA#}V@` ʠA#t@T_A#31@\aA#V @RDXA#x@UA#:i@TA#ć@W/\A#QD@RLA#@FhA#%j@TA#G{@SA#j@Oa@A# @IA#t@^ A#%1@IJA#@HA#< @Oa@A#9@LaA$\U@Oa@A$~C@HA$o@G8A$@QA$ @O١@A$ @F{A$+@SpA$N)t@FA$p@D#A$@O@GkPA$ @IA$Y@YA$@_@A$p@W/\A$?a@FhA$!b@;*A$#@GkPA$%@IA$'-@CA$)@B@A$,D@ApA$.1N@C4(A$0T[l@EA$2v)@DA$4t@= 1 A$6@EA$8ގa@EA$;@N A$=#<@P(ĠA$?F1@P(ĠA$Ah@Ap