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 = '00722642000' / Observation ID TARG_ID = '722642 ' / 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 = 501069080.60852 / Start time DATE-OBS= '2016-11-17T09:51:20.6' / Start Date TSTOP = 501069186.2181 / Stop time DATE-END= '2016-11-17T09:53:06.2' / 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 = '2016-11-17T09:52:55' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -17.17224 / UTCF at TSTART CHECKSUM= 'fDkTgAiRfAiRfAiR' / HDU checksum updated 2016-11-17T09:52:55 DATASUM = ' 0' / data unit checksum updated 2016-11-17T09:52:55 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 = '00722642000' / Observation ID TARG_ID = '722642 ' / 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 = '2016-11-17T09:52:55' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 501069080.60852 / Start time DATE-OBS= '2016-11-17T09:51:20.6' / Start Date TSTOP = 501069186.2181 / Stop time DATE-END= '2016-11-17T09:53:06.2' / Stop Date UTCFINIT= -17.17224 / 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 = 722642 / Trigger Number XRA_OBJ = 298.923461914062 / [deg] XRT RA location GRB or Object XDEC_OBJ= -67.7198867797852 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.609580039978 / 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= -17.17224 / [s] UTC Correction TIME UTCCSEC = -18 / UTC Correction Seconds UTCCSUBS= 41388 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 501069186.245 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 501069186 / ccsds PacKeT SEConds PKTSUBS = 12250 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'k4HLk4GIk4GIk4GI' / HDU checksum updated 2016-11-17T09:52:55 DATASUM = '1805540885' / data unit checksum updated 2016-11-17T09:52:55 END AݵAݵ v6AݵJ#@d_Aݵ@SpAݵ@RLAݵ?@M Aݵd@\VU AݵK@Z:Aݵ @LaAݵ!6@QAݵ"%}@SAݵ#6v@WkPAݵ$H $@SpAݵ%YQ@`Aݵ&j@[yAݵ'{@@f{Aݵ($@dAݵ)j@oa@Aݵ*@zAݵ+ @w/\Aݵ,?h@{HAݵ-@| dAݵ.%@{vAݵ0@x.)Aݵ1Z2@uǤAݵ2(@tAݵ39@pͣAݵ4K-M@o@Aݵ5\s@qsAݵ6m @pAݵ7i@kmAݵ8H@g/\Aݵ9u@g>Aݵ:@bFAݵ;@f]Aݵ<`B@iAݵ=榠@mF% Aݵ>N@ksAݵ@ 4@s1AݵA{ @rCAݵB+j@w>AݵC=@AݵDNN'@\ AݵE_@ AݵFp3@&@AݵG"@ AݵHh@ AݵIO@AݵJ@ ʠAݵK< @zAݵL؃@ڇ`AݵM@AݵNw@ AݵP V@1 AݵQ4@AݵR.@b AݵS@+A@2AݵTQq@DXAݵUb@~ AݵVs]@@AݵWCl@zXAݵX@x AݵYx@w>YAݵZ@`Aݵ[^5@ Aݵ\ۤ@Aݵ]@`Aݵ^1Q@D`Aݵ`x@b`Aݵa ]@`Aݵb2@T`AݵcCL@AݵdTy@`Aݵee@Iq@Aݵfw @ Aݵgf@jAݵhC@~ Aݵi@zAݵj:@vhAݵk̀^@zgAݵlƽ@v?Aݵmk@sAݵoT@n Aݵp(@kgAݵq#@hAݵr5&@bdAݵsFl@b:AݵtW@XAݵuh@`dAݵvzA_@] 1 Aݵw@V{Aݵx@TAݵy{@V{AݵzZ@QAݵ{Т@T_Aݵ|@RLAݵ}/E@PAݵu@\aAݵ@b:Aݵ'`@R@