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 = '00677981000' / Observation ID TARG_ID = '677981 ' / 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 = 478950791.20962 / Start time DATE-OBS= '2016-03-06T09:53:11.2' / Start Date TSTOP = 478950896.80602 / Stop time DATE-END= '2016-03-06T09:54:56.8' / 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 = '2016-03-06T09:54:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -15.93964 / UTCF at TSTART CHECKSUM= 'WDaKaDXIYDaIaDWI' / HDU checksum updated 2016-03-06T09:54:48 DATASUM = ' 0' / data unit checksum updated 2016-03-06T09:54:48 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 = '00677981000' / Observation ID TARG_ID = '677981 ' / 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 = '2016-03-06T09:54:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 478950791.20962 / Start time DATE-OBS= '2016-03-06T09:53:11.2' / Start Date TSTOP = 478950896.80602 / Stop time DATE-END= '2016-03-06T09:54:56.8' / Stop Date UTCFINIT= -15.93964 / 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 = 677981 / Trigger Number XRA_OBJ = 257.251251220703 / [deg] XRT RA location GRB or Object XDEC_OBJ= -36.449634552002 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.596400022507 / 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= -15.93964 / [s] UTC Correction TIME UTCCSEC = -16 / UTC Correction Seconds UTCCSUBS= 3018 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 478950896.84682 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 478950896 / ccsds PacKeT SEConds PKTSUBS = 42341 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'bBA4eB82bBA2bB72' / HDU checksum updated 2016-03-06T09:54:48 DATASUM = '1169143021' / data unit checksum updated 2016-03-06T09:54:48 END A55A5Y6A52 @TA5CP @1pA5Th@- A5ew@8[ A5w!@$A5f@&{A5C@- A5@6{A5:@1pA5̀^@"@A5@([ A5 |@?١@A5P@,aA59@FA5#H@&{A55"@ A5Fg@/١@A5W@@dA5hs@CA5z9@UOA5@EA5?@C4(A5 @CA5Q@9JA5Ж@3A5@M 1 A5#y@FhA5i@::A5@EA5&@- A58:T@;*A5I@VA5Z@;*A5l @0ܠA5}R~@> A5@{A5@0ܠA5$J@= A5iY@= 1 A5ӯ@H[ A5@4A5lL@D#A5O[@JA5`j@4A5r<@;*A5̃'@{A5͔Ɇ@GkPA5Φ@0ܠA5ϷT@6{A5țR@8[ A5a@LI A5&@HA5k@@ܠA5 -@- A5@0ܠA50>@JA5A@PܠA5R@Oa@A5dg@F{A5uU@BDXA5܆$@,aA5ݗ3@UǤA5ީ'@?١@A5ߺm@IA5˲@  A5]@= 1 A5>l@{A5@*:A5)@DA5"@B@A53V@FA5D@;*A5U@]F% A5g(c@2@A5xn@ A5쉵 @LaA5/@{A5?>@$A5ｅ@6{