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 = '00650411000' / Observation ID TARG_ID = '650411 ' / 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 = 459655283.41262 / Start time DATE-OBS= '2015-07-27T02:01:23.4' / Start Date TSTOP = 459655388.976 / Stop time DATE-END= '2015-07-27T02:03:09.0' / 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 = '2015-07-27T02:03:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -14.90866 / UTCF at TSTART CHECKSUM= 'lKcUmHbSlHbSlHbS' / HDU checksum updated 2015-07-27T02:03:04 DATASUM = ' 0' / data unit checksum updated 2015-07-27T02:03:04 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 = '00650411000' / Observation ID TARG_ID = '650411 ' / 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 = '2015-07-27T02:03:04' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 459655283.41262 / Start time DATE-OBS= '2015-07-27T02:01:23.4' / Start Date TSTOP = 459655388.976 / Stop time DATE-END= '2015-07-27T02:03:09.0' / Stop Date UTCFINIT= -14.90866 / 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 = 650411 / Trigger Number XRA_OBJ = 54.3479995727539 / [deg] XRT RA location GRB or Object XDEC_OBJ= 53.2207260131836 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.563380002975 / 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= -14.90866 / [s] UTC Correction TIME UTCCSEC = -15 / UTC Correction Seconds UTCCSUBS= 4567 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 459655389.04484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 459655389 / ccsds PacKeT SEConds PKTSUBS = 2242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'mO89nM86mM86mM86' / HDU checksum updated 2015-07-27T02:03:04 DATASUM = '786936825' / data unit checksum updated 2015-07-27T02:03:04 END AesiwAesOAet]h@s.Aeun@rLAev&@nS Aewd@jAex@kyAey@iAez5@pAe{{_@jvAe|n@mF% Ae}@l7 Ae M+@kmAeȀ:@n5 Aeȁ,ؙ@md AeȂ>@nS AeȃOd@pAeȄ`@m Aeȅqt@md AeȆ5@qmAeȇ|1@t#AeȈ@pǠAeȉO@mF% AeȊL@o@Aeȋٓ @qpAeȌj@n Aeȍy@n Aeȏ d@pAeȐ6@ltO Aeȑ/@iJAeȒA5T@k AeȓR{@n AeȔc@k Aeȕup@pAeȖM@o@Aeȗ@eǤAeȘ@m AeșK@p띠AeȚdZ@cAețܪ@g8AeȜ@fAeȝ7v@jAeȟ{5@ltO AeȠ!@m Aeȡ3@dAeȢDNQ@m 1 AeȣU`@sAeȤfپ@gkPAeȥx @hAeȦe,@rqOAeȧ;@ksAeȨ@f{Aeȩ6@n AeȪ}V@md Aeȫe@mF% AeȬ@pUAeȮM@n Aeȯ@f{AeȰ$@@f]Aeȱ6@pܠAeȲGe@kgAeȳX\@pAeȴik@j:Aeȵ{6z@pAeȶ|@n5 Aeȷ7@s AeȸF@qsAeȹN@r&^AeȺѕ@iAeȻ@nS Aeȼ!@eAeȾe@k Aeȿ@n Ae'=@raAe97L@n AeJ}@jAe[¹@o@Aem @laAe~N'@eAeƏ@eAeǠ@m AeȲ!B@pFAefQ@iAeԫ`@cAe@t2Ae8@ihAe},@h=&AeË@hAe+ @uAe