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= 'UVOTA ' / Instrument name FILTER = 'WHITE ' / FILTER used in exposure DETNAM = '2000 ' / WHEELPOS OBS_ID = '00813721000' / Observation ID TARG_ID = '813721 ' / 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 = 542484529.68934 / Start time DATE-OBS= '2018-03-11T18:08:49.7' / Start Date TSTOP = 542484679.53526 / Stop time DATE-END= '2018-03-11T18:11:19.5' / 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 = '2018-03-11T18:13:50' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -20.60798 / UTCF at TSTART CHECKSUM= '9lnaEklU9klZCklZ' / HDU checksum updated 2018-03-11T18:13:50 DATASUM = ' 0' / data unit checksum updated 2018-03-11T18:13:50 END XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 160 / length of data axis 1 NAXIS2 = 160 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 MESGNAME= 'UVOT_GENI_IMAGE' / Name of the message TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'UVOTA ' / Instrument name OBS_ID = '00813721000' / Observation ID TARG_ID = '813721 ' / 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 = '2018-03-11T18:13:50' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -20.60798 / UTCF at TSTART TSTART = 542484529.68934 / Start time DATE-OBS= '2018-03-11T18:08:49.7' / Start Date TSTOP = 542484679.53526 / Stop time DATE-END= '2018-03-11T18:11:19.5' / Stop Date TELAPSE = 149.845919966698 / TSTOP - TSTART ONTIME = 149.845919966698 / Sum of GTIs LIVETIME= 149.845919966698 / Ontime multiplied by DEADC EXPOSURE= 149.845919966698 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'wh542484529I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 542484529 / uvot EXPosure ID FILTER = 'WHITE ' / FILTER used in exposure DETNAM = '2000 ' / WHEELPOS RA_PNT = 3.43126751388843 / [deg] Ra Pointing DEC_PNT = -54.4567144807718 / [deg] Dec Pointing PA_PNT = 345.1955 / [deg] Position angle (roll) WINDOWX0= 651 / Lower left hand X WINDOWY0= 936 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 13573 / number of frames included GRBLOC = 0 / GRB Location 1=XRT 0=MODE CMD BPEHWIN = 0 / BPE hardware window height BINX = 2 / Binning in the x-axis BINY = 2 / Binning in the y-axis CMPCNTMN= F / Compression losses didn't occurred in the imageCMPOTHRS= 8191 / Overflow of lossy compression algorithm CMPUTHRS= -8192 / Underflow of lossy compression algorithm CTYPE1 = 'RAWX ' / WCS axis type CUNIT1 = 'pixel ' / WCS axis unit CRVAL1 = 651.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 936.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -20.60798 / [s] UTC Correction time UTCCSEC = -21 / UTC Correction Seconds UTCCSUBS= 19601 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 542484752.1756 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 542484752 / ccsds PacKeT SEConds PKTSUBS = 8780 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'Fc5aIb5SFb5YFb5Y' / HDU checksum updated 2018-03-11T18:13:50 DATASUM = '584755 ' / data unit checksum updated 2018-03-11T18:13:50 END   " # ! %"  #"  " ! !!)& ""  !  !"! ! $'&#           !  ""$ !    #$   %   !    # !    " '  #  !!" !  "  $ % !!#"  # "" !      !# " ! "!$ " "'$  ! #&%,%  !%! ! !    "'"#" "  $ !$  $!  ! "  !1' !!! % !  "! !" #!    !     !  !!!!#&" !" # $"! !  '! #" " &   "!   &  ! "  )!   #!" ##$   $   !   %& ! !!! & #   $!      #" "!" " #"  !!#!      !  #"$ !" !  !"! # $! ! "       % &   "    !"!  "  *  "! # "&   " !#%"!      # !  ! % " !  $%    !"$"!(' !   + ! !$ !! "!!!" %   ##! !  " !  """    "    ! !"!"!!" "!" ! $(   "!  # !!! """! ! %#!   "! '  ""  ! ! !  % !% !%% ! !  "  !!  ! $"$  ""!!  $ $!  %#  & !   ! $  $& #$ $"  "  " "(# " $!   $ """      #!#  !"   $        "  !  !     "#  !   "   ! !#$" "  "%  !"&!"   % !  " "   "  #   $ '# #  "  ! &  # &#   "   !      $"  " " $7-" "%  "+.!#  !!' "%"   % "  $  *"  &!    &  !  !" !'#"  %  !  ! ! $$%!  '%    "%%%  !    !  !)!$    %    !$ $"&!%   "   "   "%!   )!"!! #!## ! !   !!       !!#&+    $&)!   !"% !  !           $% - #!#  " # # # 4& #    ! "!! !  !     ' #!' $  !'  ! $" " !( "  !  !$ ! # %    ""  !% !"! "'!"  '!%   ! $  !$"""   "!!%%$ # "   ##!  !"" $ !   $   !!"#!"$  !    !#     "  #   "  "  " $  !  #     ! !%#!("  # "! !  " " ! # ! * &  #$""    ! # !! # #"('#  ! $ $   ## # $"  !  #       ! $ "! "#" !"!!$#!        #    #    #  % !$   ## !" !  ""!  #       "!!! "  #'%  ""    % #!% $" !    " !#   !  "!'!!!$   !   "# !&" $ !! ##+"%  ""! !  "      % !!#"""  "%  ""!#    (!$"! "# !   $ "!   !""&  ! ! #!! % $% # %"" " & "(  "! "$%! $  # !%! "! $   # #$# "!#"!&  $! "