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 = '00231231000' / Observation ID TARG_ID = '231231 ' / 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 = 180982186.00464 / Start time DATE-OBS= '2006-09-26T16:49:46.0' / Start Date TSTOP = 180982293.4062 / Stop time DATE-END= '2006-09-26T16:51:33.4' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.15' / Program that created this FITS file TLM2FITS= 'V3.15 ' / Telemetry converter version number DATE = '2006-09-26T16:51:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -1.46882 / UTCF at TSTART CHECKSUM= 'hAjMiAiMhAiMhAiM' / HDU checksum updated 2006-09-26T16:51:39 DATASUM = ' 0' / data unit checksum updated 2006-09-26T16:51:39 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 = '00231231000' / Observation ID TARG_ID = '231231 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.15' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.15 ' / 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 = '2006-09-26T16:51:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 180982186.00464 / Start time DATE-OBS= '2006-09-26T16:49:46.0' / Start Date TSTOP = 180982293.4062 / Stop time DATE-END= '2006-09-26T16:51:33.4' / Stop Date UTCFINIT= -1.46882 / 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 = 231231 / Trigger Number XRA_OBJ = 263.945739746094 / [deg] XRT RA location GRB or Object XDEC_OBJ= 13.0480537414551 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 107.401559978724 / 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= -1.46882 / [s] UTC Correction TIME UTCCSEC = -2 / UTC Correction Seconds UTCCSUBS= 26559 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 180982293.44682 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 180982293 / ccsds PacKeT SEConds PKTSUBS = 22341 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'TM4EWM4DTM4DTM4D' / HDU checksum updated 2006-09-26T16:51:39 DATASUM = '254044520' / data unit checksum updated 2006-09-26T16:51:39 END A#T`-A#VA#YNf@Nq A#[#@RdA#]eA@Q|A#__@PdA#b!|@PA#dD:@M A#ff@XA#h@LI A#jq@WDA#l9.@PܠA#nL@PA#qP @TA#s5@IJA#uXi@UA#wz@@PdA#y^@M A#{ |@IJA#}9@S4(A#!W@RdA#'@LaA#J:@LI A#lǏ@VhA#TL@QpA#j@FA#k'@XA#@VA#@RLA#<^@PdA#^|@VhA#%@IA#W@Nq A#?@O١@A#@IA# U@D#A#-@JA#Poi@PA#r@Oa@A#D@SA#@QpA#ڟ@LaA#,|@N A#@P(ĠA#B@@N A#du@R@A#Z2@] A#@JA#q @J:A#@K*A#@K*A#4@P(ĠA#Vb@QTA#y.@SA#ț@PA#ʾG@IJA#ѷ@M 1 A#^t@T_A#%@QTA#HuO@IJA#k @GkPA#׍*@M A#ٰ@LI A#ҥ@Q|A#2a@P(ĠA#@PA#:I=@M A#\@M A#b@Oa@A#@M A#y@IA#@LI A# m@QpA#,*@K*A#NH@M A#q4@G8A#@P(ĠA#M@IA#<@RdA#dZ@K*A$@J:A$@}@K*A$c @P(ĠA$@SA$!l@LaA$ ʮ)@FA$ 8G@N A$e@VA$2O"@O١@A$T@R4A$wh@QpA$Z@G8A$x@N A$ 5@FhA$@TA$ $%@JA$"F@O١@A$$i<@SA$&G@VhA$(V@B@