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 = '00301981000' / Observation ID TARG_ID = '301981 ' / 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 = 223282812.99442 / Start time DATE-OBS= '2008-01-29T07:00:13.0' / Start Date TSTOP = 223283059.05188 / Stop time DATE-END= '2008-01-29T07:04:19.1' / 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 = '2008-01-29T07:05:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.53598 / UTCF at TSTART CHECKSUM= 'bGhPdEhPbEhPbEhP' / HDU checksum updated 2008-01-29T07:05:39 DATASUM = ' 0' / data unit checksum updated 2008-01-29T07:05:39 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 = '00301981000' / Observation ID TARG_ID = '301981 ' / 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 = '2008-01-29T07:05:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 223282812.99442 / Start time DATE-OBS= '2008-01-29T07:00:13.0' / Start Date TSTOP = 223283059.05188 / Stop time DATE-END= '2008-01-29T07:04:19.1' / Stop Date UTCFINIT= -2.53598 / 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 = 301981 / Trigger Number XRA_OBJ = 105.245674133301 / [deg] XRT RA location GRB or Object XDEC_OBJ= -7.83457231521606 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 246.057460010052 / TSTOP - TSTART ONTIME = 244.140426635742 / Time on target LIVETIME= 244.140426635742 / Ontime multiplied by DEADC EXPOSURE= 244.140426635742 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -2.53598 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 23201 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 223283059.13144 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 223283059 / ccsds PacKeT SEConds PKTSUBS = 6572 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'UnoCVmo9UmoCUmo9' / HDU checksum updated 2008-01-29T07:05:39 DATASUM = '3126171985' / data unit checksum updated 2008-01-29T07:05:39 END A $A ؃A )@V{A wG@:A 3A "@ZA ߹@WA š@U A ^@Vo:A q@WA "@YA 'ԚV@Y jA ,W*@TҀA 1@XPA 6o@TYA ;@V`A @RT@X A E(@UA JΚ@X: A O @T>A TJ@T=`A Y@X A ^@U<A d@U ߀A iCl@WA n }@U A s P@U#fA x$@TKA }>@T>A  @UA @U#fA zN@T=`A #9@V@A &@S@A *@Tp`A .r@U#fA 22M@TYA 5@T`A 9@W!`A =n@TKA A-w@S ] A DK@U<A H@TKA Li/@S A P&@TҀA S@T$$A W@SWA [a@V@A _!-@T`A b@T @A fs@S A j\@T @A n@S A q+@U ߀A u@T @AyUq@SA }E@TW1AV@UVsA*@SAM@RɀA@S A"@T=`A'@SA,I(@T>A1@T @A6m@SA;@T$$A@DR@SAE@SAJ@S@AO @T=`AT?}@TYAYP@Sב@A^$@UoAc{5@R֠Ah8 @TKAm@V<-Ar˶@T @Aws@U<A|0@TKA@T>Aگy@T=`An@T @A+@T=`A1@U#fA骤@X!)Agw@U A&@S>j A\@S@A/@U<A`@TW1A"@TҀA@T=`A@T=`A ]@SWA@V@As@U ߀A@UAVX@TKA@U<