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 = '00506074000' / Observation ID TARG_ID = '506074 ' / 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 = 340996534.59414 / Start time DATE-OBS= '2011-10-22T17:15:34.6' / Start Date TSTOP = 340996640.20482 / Stop time DATE-END= '2011-10-22T17:17:20.2' / 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 = '2011-10-22T17:23:59' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -7.49406 / UTCF at TSTART CHECKSUM= 'aJoPbJmPaJmPaJmP' / HDU checksum updated 2011-10-22T17:23:59 DATASUM = ' 0' / data unit checksum updated 2011-10-22T17:23:59 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 = '00506074000' / Observation ID TARG_ID = '506074 ' / 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 = '2011-10-22T17:23:59' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 340996534.59414 / Start time DATE-OBS= '2011-10-22T17:15:34.6' / Start Date TSTOP = 340996640.20482 / Stop time DATE-END= '2011-10-22T17:17:20.2' / Stop Date UTCFINIT= -7.49406 / 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 = 506074 / Trigger Number XRA_OBJ = 108.94522857666 / [deg] XRT RA location GRB or Object XDEC_OBJ= 49.6694717407227 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.610679984093 / 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= -7.49406 / [s] UTC Correction TIME UTCCSEC = -8 / UTC Correction Seconds UTCCSUBS= 25297 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 340996640.24554 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 340996640 / ccsds PacKeT SEConds PKTSUBS = 12277 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9Ia7EIW79Ia7EIU7' / HDU checksum updated 2011-10-22T17:23:59 DATASUM = '1013496480' / data unit checksum updated 2011-10-22T17:23:59 END AS1AS1AS1$ @UAS1jj@<aAS1@CAS1@GkPAS1<6@KyAS1@FAS1@C4(AS1@G8AS1"S@BDXAS13p@UOAS1D@<aAS1V$@F{AS1gk<@D#AS1x@3AS1Ɖ@C4(AS1Ǜ;@BDXAS1Ȭ@@ܠAS1ɽu@= AS1@QTAS1U2@D#AS1A@FAS1@= AS1%@IJAS1%j@IAS16@B@AS1G{@<aAS1Y=@D#AS1j@@ܠAS1{G@K*AS1֍@R@AS1מT@@ܠAS1د@4AS1"@5AS1&@= AS1l@9JAS1>@2@AS1M@IJAS1=\@> AS1(@= AS19@C4(AS1K(@C4(AS1\U@6{AS1m@4AS1~C@ApAS1&@1pAS1la@$AS1貲@= 1 AS1@8[ AS1>-@B@AS1愌@ATAS1@1pAS1 I@5AS1U@,aAS1+g@7kPAS1<@3AS1N($@D#AS1_m3@;*AS1p@7kPAS1@8[ AS1>@5AS1@0ܠAS1m@9JAS1@GkPAS1W*@/١@AS1靈@,aAS1@c.AS1 (@1pAS1n@3AS2.@4AS2?r@:AS2Q?@$AS2b/@> AS2s̎@$AS2@3AS2V@= AS2 @2@AS2i@ ܠAS2 (x@::AS2 n@ApAS2 5@::AS2 @H[ AS2@@::AS2 @JAS21@"@AS2Co@3AS2TW~@ AS2e@ ܠAS2v;@6{AS2*@"@AS2nY@DAS2@@dAS2@::AS2At@- AS2އ@$AS2@1pAS2@@4AS2Y@"@AS2#^@B@