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 = '00666378000' / Observation ID TARG_ID = '666378 ' / 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 = 471047739.7944 / Start time DATE-OBS= '2015-12-05T22:35:39.8' / Start Date TSTOP = 471047986.30286 / Stop time DATE-END= '2015-12-05T22:39:46.3' / 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 = '2015-12-05T22:54:22' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -15.51242 / UTCF at TSTART CHECKSUM= 'kBcOkBbNkBbNkBbN' / HDU checksum updated 2015-12-05T22:54:22 DATASUM = ' 0' / data unit checksum updated 2015-12-05T22:54:22 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 = '00666378000' / Observation ID TARG_ID = '666378 ' / 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 = '2015-12-05T22:54:22' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 471047739.7944 / Start time DATE-OBS= '2015-12-05T22:35:39.8' / Start Date TSTOP = 471047986.30286 / Stop time DATE-END= '2015-12-05T22:39:46.3' / Stop Date UTCFINIT= -15.51242 / 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 = 666378 / Trigger Number XRA_OBJ = 41.1485748291016 / [deg] XRT RA location GRB or Object XDEC_OBJ= -43.4978904724121 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 246.508460044861 / TSTOP - TSTART ONTIME = 244.140426635742 / Time on target LIVETIME= 244.140426635742 / Ontime multiplied by DEADC EXPOSURE= 244.140426635742 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -15.51242 / [s] UTC Correction TIME UTCCSEC = -16 / UTC Correction Seconds UTCCSUBS= 24379 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 471047986.32482 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 471047986 / ccsds PacKeT SEConds PKTSUBS = 16241 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9ha8EfY79fa7CfY7' / HDU checksum updated 2015-12-05T22:54:22 DATASUM = '2990250679' / data unit checksum updated 2015-12-05T22:54:22 END A;]A<9 A#AD8@&U@AF~@1&a@AI"@2ɀAK@-AN&@-AP@)AS*u@1&a@AUU@1{@AX.3@/& AZ@.OA]1@+!@A_@,UAb5@-Ad@-Ag9p@4W1AiP@/Al=1@/An#@+!@Aq@@0G Asϖ@/& AvD@,UAxƍ@+!@A{Hmr@.OA}M+@+ AL,@.OA @/AO@/& A@/& ASz@.OAՈ@0G AWi@/AI@1`A[(@0Z- A@1&a@A^@1{@A;@/Ab@+ A䆭@+!@Afe@0Z- AD@.OAj$@+ AC@.OAm@(PAõ@.OAqn@+!@A@/& Aua@,UAAJ@/& Ay!@/A@/A|v@/& A@*RAƀ@-A~R@+ A˄\@*RA=@-AЈ~@.OA @.OAՋۡ@/A Z@/& Aڏ@.OAz@.OAߓZ@+!@A8@-A@/& Ab@+ A@/A@,UA@/& A u@/AU@0G A$5i@1`A#@,UA'@)Aԕ@,UA+N@+ A@0Z- A/rq@/ASz@,UA 31@1&a@A @/A6V@2ɀA@/A:y@1{@A@0G A>n@1&a@AN@+ AB.^@/A @0Z- A#E@/& A%͊@1`A(IC@-A*ˋ@-A-Mkf@/& A/K@1`