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 = '00279935000' / Observation ID TARG_ID = '279935 ' / 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 = 201423152.41168 / Start time DATE-OBS= '2007-05-21T06:52:32.4' / Start Date TSTOP = 201423371.13758 / Stop time DATE-END= '2007-05-21T06:56:11.1' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.20' / Program that created this FITS file TLM2FITS= 'V3.20 ' / Telemetry converter version number DATE = '2007-05-21T06:57:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -1.96898 / UTCF at TSTART CHECKSUM= 'hJhMhJhLhJhLhJhL' / HDU checksum updated 2007-05-21T06:57:10 DATASUM = ' 0' / data unit checksum updated 2007-05-21T06:57:10 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 = '00279935000' / Observation ID TARG_ID = '279935 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.20' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.20 ' / 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 = '2007-05-21T06:57:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 201423152.41168 / Start time DATE-OBS= '2007-05-21T06:52:32.4' / Start Date TSTOP = 201423371.13758 / Stop time DATE-END= '2007-05-21T06:56:11.1' / Stop Date UTCFINIT= -1.96898 / 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 = 279935 / Trigger Number XRA_OBJ = 242.673141479492 / [deg] XRT RA location GRB or Object XDEC_OBJ= 30.2617321014404 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 218.725899994373 / TSTOP - TSTART ONTIME = 216.784286499023 / Time on target LIVETIME= 216.784286499023 / Ontime multiplied by DEADC EXPOSURE= 216.784286499023 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -1.96898 / [s] UTC Correction TIME UTCCSEC = -2 / UTC Correction Seconds UTCCSUBS= 1551 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 201423371.24994 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 201423371 / ccsds PacKeT SEConds PKTSUBS = 12497 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'gAgNj3ZLg9fLg9ZL' / HDU checksum updated 2007-05-21T06:57:10 DATASUM = '2323383852' / data unit checksum updated 2007-05-21T06:57:10 END A`ǹAa$5Abq @F{Ad@&{Ag@&{Ai4@*:AkV@@Amy+@:Ao=@{AqD@/١@Asѷ@&{Av[@:Ax%@*:AzHuO@ A|k @= A~@= A@@Aҥ@- A2a@$A@$A:I=@9JA\@/١@Ab@&{A? A0Y@*RA4,@'A8y>@)A<6@(PA?@'!`AC@#AGti@'AK3@'ANM@% AR@% AVo@#AZ1@% A]@&U@Aa@!{@Aem]@#$Ai,@)AlB@(PAp@*RAtk'@+!@Ax*@(PA{m@'!`A~@+!@AfQ@'!`A %@+ A6@$KA@#$Ad@$KA @)A%@&U@A*@'!`A/_F@'A4@)A9+@)A>@*RACZq@% AH@% AMU@(PAR@(PAWZ@'!`A\@% Aa@)Afʖ@*RAkV@'!`Ap@% AuJ@'Azّ@'AQ/@+ A@*RA@'!`A菆@1&a@ALY@$KA @)A>@'A@(PAJ#@*RA @'Ai@&U@A@% A G@*RA@$KA3@#A@)AC@*RA@*RA ]@% A$o@&U@A(>B@+ A+@#$A/'@% A3|@&U@A79m@#A:@-A>R@$KABw@)A F4@&U@AI@)