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 = '00515375000' / Observation ID TARG_ID = '515375 ' / 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 = 351354749.5945 / Start time DATE-OBS= '2012-02-19T14:32:29.6' / Start Date TSTOP = 351354855.20484 / Stop time DATE-END= '2012-02-19T14:34:15.2' / 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 = '2012-02-19T14:34:21' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -7.90766 / UTCF at TSTART CHECKSUM= 'gEhWhCgWgCgWgCgW' / HDU checksum updated 2012-02-19T14:34:21 DATASUM = ' 0' / data unit checksum updated 2012-02-19T14:34:21 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 = '00515375000' / Observation ID TARG_ID = '515375 ' / 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 = '2012-02-19T14:34:21' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 351354749.5945 / Start time DATE-OBS= '2012-02-19T14:32:29.6' / Start Date TSTOP = 351354855.20484 / Stop time DATE-END= '2012-02-19T14:34:15.2' / Stop Date UTCFINIT= -7.90766 / 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 = 515375 / Trigger Number XRA_OBJ = 129.781341552734 / [deg] XRT RA location GRB or Object XDEC_OBJ= 51.0420684814453 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.610339999199 / 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= -7.90766 / [s] UTC Correction TIME UTCCSEC = -8 / UTC Correction Seconds UTCCSUBS= 4617 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 351354855.24552 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 351354855 / ccsds PacKeT SEConds PKTSUBS = 12276 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '3HQb3FOZ3FOa3FOY' / HDU checksum updated 2012-02-19T14:34:21 DATASUM = '883307243' / data unit checksum updated 2012-02-19T14:34:21 END A´ñ?}˜1'A´ñ?~ßeA´ñ?~˜ Ã@]¾ A´ñ?©T"@SèÀA´ñ?€ºš€@S4(ÀA´ñ?Ëàß@X,àA´ñ?‚Ý'=@T×ÔÀA´ñ?ƒîmœ@SèÀA´ñ?„ÿ³ú@R¼@ A´ñ?†úY@Rø4ÀA´ñ?‡"?h@T›àÀA´ñ?ˆ3…Æ@K¢yA´ñ?‰DÊÕ@QTˆ A´ñ?ŠV4@P ¬ A´ñ?‹gW“@F˜àA´ñ?Œxñ@H[ àA´ñ?‰äP@C4(ÀA´ñ?Ž›*®@H[ àA´ñ?¬q @PÜ A´ñ?½¶@VóhàA´ñ?‘Îüz@IJñA´ñ?’àBÙ@HÓàA´ñ?“ñ‰7@H[ àA´ñ?•ÎF@S¬ÀA´ñ?–¥@Oa¹@A´ñ?—%[@D›àÀA´ñ?˜6¡b@H[ àA´ñ?™GçÀ@UO¼ÀA´ñ?šY.@C4(ÀA´ñ?›js.@FóhàA´ñ?œ{¹Œ@M‚ A´ñ?Œÿë@F˜àA´ñ?žžFJ@HÓàA´ñ?Ÿ¯Œ¨@Gã8àA´ñ? 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