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 = '00518853000' / Observation ID TARG_ID = '518853 ' / 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 = 354681463.41314 / Start time DATE-OBS= '2012-03-29T02:37:43.4' / Start Date TSTOP = 354681711.38436 / Stop time DATE-END= '2012-03-29T02:41:51.4' / 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 = '2012-03-29T02:43:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -8.04262 / UTCF at TSTART CHECKSUM= 'eGiTeDgQeDgQeDgQ' / HDU checksum updated 2012-03-29T02:43:39 DATASUM = ' 0' / data unit checksum updated 2012-03-29T02:43:39 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 = '00518853000' / Observation ID TARG_ID = '518853 ' / 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 = '2012-03-29T02:43:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 354681463.41314 / Start time DATE-OBS= '2012-03-29T02:37:43.4' / Start Date TSTOP = 354681711.38436 / Stop time DATE-END= '2012-03-29T02:41:51.4' / Stop Date UTCFINIT= -8.04262 / 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 = 518853 / Trigger Number XRA_OBJ = 188.52262878418 / [deg] XRT RA location GRB or Object XDEC_OBJ= -63.4218826293945 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 247.971220016479 / TSTOP - TSTART ONTIME = 245.580215454102 / Time on target LIVETIME= 245.580215454102 / Ontime multiplied by DEADC EXPOSURE= 245.580215454102 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -8.04262 / [s] UTC Correction TIME UTCCSEC = -9 / UTC Correction Seconds UTCCSUBS= 47869 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 354681711.5427 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 354681711 / ccsds PacKeT SEConds PKTSUBS = 27135 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'ncncobnZnbnbnbnZ' / HDU checksum updated 2012-03-29T02:43:39 DATASUM = '4011266818' / data unit checksum updated 2012-03-29T02:43:39 END A$wiËA$wqA$xjcs@aTA$y{A$~) @VU@A$4@U<A$@U ߀A$7K@TҀA$@T=`A$;@U<A$gw@TW1A$?E@UA$%@UVsA$C@TW1A$\@Tp`A$F@T=`A$ȥ@TKA$J@T @A$c@S>j A$NC@T`A$$@Tp`A$R@TW1A$@T$$A$U@T=`A$עI@Tp`A$Y@T @A$c @RPA$]At@UoA$!-@SA$a@Sב@A$@Sב@A$dY@T @A$@S@A$h@T @A$_@S@A$l?>@RCA$@R A$o@S@A$j@S@A$s@Sב@A$@T$$A$w}@RPA$[@S$A${=@Tp`A$@SA$~+@RXA$@T$$A$ꂻ@T$$A$V@TKA$z@R%`A$[@T=`A$9@S@A$ ;@T`A$@S>j A$خ@S ] A$g@PT@A$ @S>j A$w@S$A$W@Sב@A$7L@Tp`A$ @RA$ @S A$w@T @A$@SWA$"@R A$u@S A$&T @T=`A$3@RɀA$*@RXA$!8@RɀA$$-@S ] A$&@RXA$)1d@Sqw A$+r@RPA$.5P@R֠A$01@R?)A$39I@R%`A$5@RCA$8<л@Rr6A$:u@R֠A$=@@QA$?n@Q{@A$BDO@Rr6A$D. @QA$GH @Q`A$I|@Q{@A$LK6@RPA$Nͬ@RXA$QO@S$A$Sla@Rr6A$VSL@R?)A$X+@R%`A$[W =@PA$]F@R?)A$`Zɰ@QA$bܩi@RɀA$e^"@Q&a@A$gh@R%`A$jbH@R A$l(N@Rɀ