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 = '00285654000' / Observation ID TARG_ID = '285654 ' / 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 = 206706925.99416 / Start time DATE-OBS= '2007-07-21T10:35:26.0' / Start Date TSTOP = 206707031.62298 / Stop time DATE-END= '2007-07-21T10:37:11.6' / 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 = '2007-07-21T10:37:16' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.10172 / UTCF at TSTART CHECKSUM= 'nJeKpJcKnJcKnJcK' / HDU checksum updated 2007-07-21T10:37:16 DATASUM = ' 0' / data unit checksum updated 2007-07-21T10:37:16 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 = '00285654000' / Observation ID TARG_ID = '285654 ' / 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 = '2007-07-21T10:37:16' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 206706925.99416 / Start time DATE-OBS= '2007-07-21T10:35:26.0' / Start Date TSTOP = 206707031.62298 / Stop time DATE-END= '2007-07-21T10:37:11.6' / Stop Date UTCFINIT= -2.10172 / 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 = 285654 / Trigger Number XRA_OBJ = 33.1384391784668 / [deg] XRT RA location GRB or Object XDEC_OBJ= -2.18141722679138 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.628820002079 / 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= -2.10172 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 44914 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 206707031.64598 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 206707031 / ccsds PacKeT SEConds PKTSUBS = 32299 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'eXcZgXaXeXaXeXaX' / HDU checksum updated 2007-07-21T10:37:16 DATASUM = '253827172' / data unit checksum updated 2007-07-21T10:37:16 END A1A1_A1@aTA1) @TA1K@QpA1n!@IA1搫@F{A18q@B@A1.@JA1OL@VtA1 @= A1=h@IA1_E@?١@A1}@8[ A1!@<aA1Ǔ@= A1 @4A1 @JA2/7v@= 1 A2Q@> A2tK@::A2o@M A2b@;*A2 J@LaA2 |@1pA2!%@3A2CC@@dA2f@JA2@7kPA23@([ A2@6{A2J@= 1 A2s@*:A2 5a@- A2"W@B@A2$zxl@,aA2&@*:A2(G@4A2*@JA2-"@G8A2/'2@EA21I@CA23lG@KyA25@@A27`@*:A29@{A2;wp@9JA2>@{A2@;L@<aA2B^j@:A2D@?١@A2F/E@C4(A2Hż@0ܠA2JF @&{A2M @"@A2O-_@*:A2QO@8[ A2Srs@:A2U@*:A2W@&{A2Yn@::A2[@"@A2^.I@:A2`Ag@/١@A2bdB@/١@A2dB@<aA2fY`@&{A2h@ ܠA2jr@:A2m@"@A2o3@{A2qVr@@A2sx@= 1 A2u*@PdA2wk@:A2yA@ A2|F@2@A2~%Xd@6{A2G!@,aA2jo?@4A2]@([ A2@5A2@{A2@:A2)@1pA29p@*:A2\@@([ A2~ʬ@{A2Wi@"@A2@"@A2nD@*:A2b@{A2+@C4(A2N@2@A2p@EA2&@ A2@&{A2<@:A2ɰ@4A2Vm@{