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  = 'V       '           / FILTER used in exposure                        OBS_ID  = '00239987000'        / Observation ID                                 TARG_ID = '239987  '           / 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  =      185879787.11752 / Start time                                     DATE-OBS= '2006-11-22T09:16:27.1' / Start Date                                  TSTOP   =      185880313.18456 / Stop time                                      DATE-END= '2006-11-22T09:25:13.2' / Stop Date                                   CLOCKAPP=                    F / If clock correction are applied (F/T)          ORIGIN  = 'GSFC    '           / Source of FITS file                            CREATOR = 'TDRSS2FITS V3.17'   / Program that created this FITS file            TLM2FITS= 'V3.17   '           / Telemetry converter version number             DATE    = '2006-11-22T09:24:53' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=              -1.5868 / UTCF at TSTART                                 CHECKSUM= '6h2P6Z0O6f0O6Z0O'   / HDU checksum updated 2006-11-22T09:24:53       DATASUM = '         0'         / data unit checksum updated 2006-11-22T09:24:53 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  = '00239987000'        / Observation ID                                 TARG_ID = '239987  '           / Target ID                                      SEG_NUM = '0       '           / Segment number                                 CREATOR = 'TDRSS2FITS V3.17'   / Program that created this FITS file            ORIGIN  = 'GSFC    '           / Source of FITS file                            TLM2FITS= 'V3.17   '           / 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    = '2006-11-22T09:24:53' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=              -1.5868 / UTCF at TSTART                                 TSTART  =      185879787.11752 / Start time                                     DATE-OBS= '2006-11-22T09:16:27.1' / Start Date                                  TSTOP   =      185880313.18456 / Stop time                                      DATE-END= '2006-11-22T09:25:13.2' / Stop Date                                   TELAPSE =     526.067039996386 / TSTOP - TSTART                                 ONTIME  =     526.067039996386 / Sum of GTIs                                    LIVETIME=     526.067039996386 / Ontime multiplied by DEADC                     EXPOSURE=     526.067039996386 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           EXTNAME = 'vv185879787I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            185879787 / uvot EXPosure ID                               FILTER  = 'V       '           / FILTER used in exposure                        RA_PNT  =     189.114455254701 / [deg] Ra Pointing                              DEC_PNT =    -12.2468661020606 / [deg] Dec Pointing                             PA_PNT  =             106.2108 / [deg] Position angle (roll)                    WINDOWX0=                 1407 / Lower left hand X                              WINDOWY0=                  479 / Lower left hand Y                              WINDOWDX=                  320 / X Window width                                 WINDOWDY=                  320 / Y Window width                                 NFRAMES =                47651 / 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  =               1407.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =                479.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=              -1.5868 / [s] UTC Correction time                        UTCCSEC =                   -2 / UTC Correction Seconds                         UTCCSUBS=                20660 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =      185880192.89558 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            185880192 / ccsds PacKeT SEConds                           PKTSUBS =                44779 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= 'BSHEDR9DBRGDBR9D'   / HDU checksum updated 2006-11-22T09:24:53       DATASUM = '659753  '           / data unit checksum updated 2006-11-22T09:24:53 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             $#'%$%" #&"!+ (%  !$!!$! %"$%' %!!%(  "  #!""! #!"" %"

!!'  '   !!$!
!!#"!!!% !  !&(#"#%"  "##% # #$")%#! ("! !!%!# " ##"%# #! %#!# !$  "!!! !! !!$! %"!$%&! $!#* *()  #"#( % #$ #    '  %  $$   !#! !  ""%#$$%%!%"!  "!# # "&&! !%"!!$ #%$ !
%!$(#!!  !%&!%"$!$ %%!'   #&!% &%!!'#"%"!"%##"%"
 %"!!#!# !"& "!&%"  !%  %
$! "  !$"%##	#"$*!#*$ #% $
# $#,## ""$# 
"")"$&!!%'%+ " "#!% ! ! (%"  (% $##!'   %## !
#"!"#!$ $!"%"!    % ##'#!$ %#+!( # $#!")(! &("""! " !'(#" ,# "#$"" #" ""#!)#$#%'#!#  !%% 
!"!!  "!!%#  !!#& &!'!!$"$$  "% ! !##% !"""'"" "%& "  " !  (%" $!$#&#"'" # !'!*)!%&"!  ""!!$& "! "# " !!),  ##  ""!!$
 !$  "  
#! !!&$$"# !$"  ' %"#"!!!"#  " 
 " """!!#!$"!#   #!
# #"
 !$ #
!!!"!!%!'&!""!#"! ! !$"$#% "" #
$$ #! !"! $(!! ")!# !! "" !! ! !$!$ # " %&& "&!  $ "!&
!% &!)$!
#!%  &!"!  "&!"#($"#(% " "#!!*(.)##/##$"! &     $&" %
!$"" 
%!"! "%#  !!!( "+##$#"!
'# !  #"+!' !$'%& #" #$&# !
  !" !'""!  
!%## $"'$ ! !#!$ #"& ! "!
#"#!!"!#!

! 
# '!!$",! $'$$$!  $  ! $ """!)#'( # !! "#"%##&!& ##( $%&"$$#$! # *#!>]K+  *!!"! % %!! "Ila;   "! % #!&"!+!!0C@)#(##!(
"$! #)"' & !%& " !$!($  "" $$ &!'$%&  " %' !&
# !! )!"($&"$&"&!!!%
"##%%#"  ,!!' " 
 !!$$!" ' $"%')&"!$ ## "'" '
$&'"*#"$- ! '#%%% '  #"! #$## !&   $""%$#!  ""!  '  $" !'" "$&! $'!-$$!"# "# #"!$  %# !$ (" )!# '!$+$ (%"!& "!"%'%# 
#$'( $ *!% $ #$$!!" 
 ## !
!##&!! # ! &)!"!#!$!,##' $ !$"!#!!'#
 #!$"#$(%%!"" "%'! " $&% )! !#$ "%$ "#! #!#$   ! $'  # " !&! 
 $%! %#%#%## $!#" !#"!& (""!%#!!( & + !# '%$!!!##""#$&!&
!$%!( !"!%"'"! ' !""  ##%##!'!%%'& $ !($!&%!#  !!'##$$"#"$!"!""  ! !
!
"%  $"+#""!!$!  !( "( #!  $$!!&"!!#	 "$!#!"##!  !$!#""$$! !&!# "%!##$$# "% 
!*"%&$""'!$" !!! 
! ##	!!
##%  "!#$%"# & 
$,.K4! ! %&"#"  #
 &&$% "!! 7*&)#""% '&"!$#$#! ( "#! $  ")!%%' #%%"$!$  !%#"!#"#" " (# ""  %  ! 
 "	%! ! "! ""'$! &!$!  "$ !# ""!!!! ##( $' +'!!!"#$!$! #!#"&-%$  #
"&%# " # #"& "#
"!!    "&#%$#" &##" ! !""! '  !/<mF*"$$" "$'"""%   !%&# & & "#ZÅ
Ï;"$##!!$+ #! !% 	! ! Xë
¹@
" #$ ""# #" "#"!#!" 3b–c1##"#$ $	'#'!!#!# $"  "! &)#!$%&$$/:!"!# %"!   #  &"!%"!#)!
""% %#"!" &#  !"#! ! "!!" '! &%
!!  !  ."! &! "! 
!("
!$()!&#&'& " !$"$%$! $"'!"!!*$#$! #!" "#'!!!! " ' +
$'  '$!$# #&  !)"!#"##!"%  &   % !$! &%#!" ' ! ( 
$"!$$"!!"# ##'"#"( $%!  #$&)"! &  "&"$"!*"   #  "! !"% " !$!
-#
 "#" !  *'! #!#!!% !! ! "%
*!#$$"#!% "%#!    	$#""' " !&( !""!"*' %"$$!!$&%! %##

$ !*!"# !!#!!!%!##"!  !
"$'" "#"& #%'% $! *'$/#$ % ( #"!  (!  ""%, #""% "#% $  "$!$$    )$"! !
#!!!#"* "!#
 !""#! ##$ &'!&+!"%(% ! "  )"#"!$"&$   &#+ #""!"+" &$  !!"
#!"# &$ ( #! #!%%    

#!+& '"
 "$ (# $$$"'"" !#"!)$ "   *""% ! !!"## ()%#"$$$! *#&% ($#!
$ !")%  !%""( ""!!!!
$$%
",  ""!&"&# &!#  "!" '$& %" !$$"!&
!$ #!""#   &"""!"!!  & $!#$&#!($#$"  !!%"%! !%! "! $&$!$ " &##$#
 "! $( 
$'!+ (#& $*""  !"!$#
$""""# 
&"# (!$ %## #
 2!" %* & ""!&!!"#$#!5=4!&# /# #!%"!#!$.# #$$)@'#&  & #!&&& &!& $ )#-$  %!"!+ $-$+" &(# $ * !'!! ! !%"  ! %"  &! % ! ""#"&"#!' #!  % !#" $ # # $ &!"### .%& "  '#   "("
  "$  #"   $  !(!!#!&#"!"*'"!#   !##)!!" ""  " )'$'#!%!
!3?i.""'#$$*%#!$"
"%XÁÅ`($!"##+$%"!""'  $%"($$ Hœ€M."
!* %", (!#"!# " #!&%#!$$!&
&,NO/#'" "('!!!(%"!!$!"%$"# # $*""!#"  & 
# #
!"&!!$ ! &! %"!&$!& 
#!!  "!!"##!+"$!  !  #""%'!!%!$! !)%""#"&!$#! %
!" %# &"#&!" '"$ $" !!%'"$!"## ""#!!#($ 
! #%  #  #"#!"$"#"( $"""!!#!$$%"'&)$(# %$!# " &$"'!& (!' (!$$#"!"$!# *# #$"! %
%" $!
 ! #!"  " !
 % & #""!'&"" " !#" "* %$%%!! %"$#" '()%" "!#&'"# "  $'$!!*#"!
"(" 
#  #$" ""
"#!$ $" $ )&%& $!"!$ "!$!&"!  " $!"#! !$ )+"!!! !# !" $ &$&),!#""## "$"#"# +(#'#$&  %#"%#&*"$ $)"
"  % '% !# !#
 " !"#"&"
* "#"!% $$$+ " $)#$  !!!#"*""! ! #"$"!)(#+"
!"$&$!'$!##" "" ! $ "$	!!$  # #
&!$
!$!" # "& "!!!$$%"(%'
!" "%$%  !%!   %" ""&""$# "#"!  )"!&  $#% ') !' " #%) !"&  #"!$$"(#)!# !!!# #  # !"""   &'" "   !" "&