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  = '00549841000'        / Observation ID                                 TARG_ID = '549841  '           / 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  =      383620964.93236 / Start time                                     DATE-OBS= '2013-02-27T01:22:44.9' / Start Date                                  TSTOP   =      383621114.80036 / Stop time                                      DATE-END= '2013-02-27T01:25:14.8' / 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    = '2013-02-27T01:30:09' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -10.26338 / UTCF at TSTART                                 CHECKSUM= 'MgndMgkZMgkbMgkZ'   / HDU checksum updated 2013-02-27T01:30:09       DATASUM = '         0'         / data unit checksum updated 2013-02-27T01:30:09 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  = '00549841000'        / Observation ID                                 TARG_ID = '549841  '           / 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    = '2013-02-27T01:30:09' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -10.26338 / UTCF at TSTART                                 TSTART  =      383620964.93236 / Start time                                     DATE-OBS= '2013-02-27T01:22:44.9' / Start Date                                  TSTOP   =      383621114.80036 / Stop time                                      DATE-END= '2013-02-27T01:25:14.8' / Stop Date                                   TELAPSE =     149.867999970913 / TSTOP - TSTART                                 ONTIME  =     149.867999970913 / Sum of GTIs                                    LIVETIME=     149.867999970913 / Ontime multiplied by DEADC                     EXPOSURE=     149.867999970913 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           EXTNAME = 'wh383620964I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            383620964 / uvot EXPosure ID                               FILTER  = 'WHITE   '           / FILTER used in exposure                        DETNAM  = '2000    '           / WHEELPOS                                       RA_PNT  =     272.186828376146 / [deg] Ra Pointing                              DEC_PNT =    -20.3898543043732 / [deg] Dec Pointing                             PA_PNT  =              90.4511 / [deg] Position angle (roll)                    WINDOWX0=                  787 / Lower left hand X                              WINDOWY0=                  918 / Lower left hand Y                              WINDOWDX=                  320 / X Window width                                 WINDOWDY=                  320 / Y Window width                                 NFRAMES =                13575 / 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  =                787.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =                918.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=            -10.26338 / [s] UTC Correction time                        UTCCSEC =                  -11 / UTC Correction Seconds                         UTCCSUBS=                36831 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =      383621262.09546 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            383621262 / ccsds PacKeT SEConds                           PKTSUBS =                 4773 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= 'ejDnfg9negCneg9n'   / HDU checksum updated 2013-02-27T01:30:09       DATASUM = '765876  '           / data unit checksum updated 2013-02-27T01:30:09 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ( ##  #*"$& #!$ !*"$ ! $"$&!'#"" $'"! &# !##% "#!# "$'$&"*" "! "#(!"&("(! !'#!$"$&  !!) "!#  $## '# ""!" +#! $! #% )"! ! $(%##"'$#$ ( ")"$#!(#%)% " (%/%%'!%('!!$! *"#&"$% !(&! " #! "%(#"" #"!&!%%(!    .% +! !,%#### $!""#!!'$"'("!!&"!$! !'### !!!#$""
!( #!"! "* # $! "# "!%#  *# & ! %$&!  !! !!' %!"!% '&%&*!$#$!!.!!$&!)$! & %$ #"!"" !( &% &#$("!%) !!"($$% "#$"" !"! $" $'  +&&$ !,"!%%'$$$.&%#+ &$&  !'  ""  (!  !+!# "'#%! '  &%" !+0  !!!!!#  $!'+' """ $%! "!!!(" $  %0#%# $% #/ %   
"" "%'"$" %#!,$-#!$# ,#!%)!$$((+$$+*"#!) $#%#!&%)"2+(#+! & $&  $""!#& &# # "##! +"#''$(&$"$$ ) # &'#!!%&$$  '+""#'% $-! #   !  $"""! ) "#"" %($#
!#$&%!  !$#%"& '&$!# $% "#! "'#!(&*"& !&   #0$#!!!$% #*'""#% '!!##&"""#&" %#(  !!%(!"$& '! -#!+!%""!"-$!!%  $" '"#!! ! '!% $" !!%#$!% &"'%%""!#"' "(-$$'#$#%  %! !*&!"'#)&$" #" !&")%#%# $ !)# !"!"&)  $!$!!)"#!"%%! **!"$% "!%!" '"( "# '&.  "!!" "'#  !! !"&##!") '%"  $"*!!$'&' & $#""%$*$$)"!!  $!'"" ## $'!!!"!"$#*"*$$"% '""!" !*#$# %)$##!&  %$$!"" %(! #&  (#*"$!#!(*$%!!   %!  !!.%  $
&*"#!'(!#  ! &( $ ##(#"  !$%" #'!(#
&"' #%!%%" '!## + )" #$$# "!()  !! $$!#"% *%$ '#% %!%"'%" "$$& % "#  $# &' " )#$ # $   "!'! !! !(  " %"# #&!*! ""', !( !! )%$&  !$!!$! #! $$"$"!#"'"$*" &"""!!#" &   ""'"!""$ &##$    #( ! $$#.!())%-.$!(#""%  1&!#!"$ " # !# $) )# '"'"&"!! "#'& #"!#& ")!#* '#%"!!"#)!$)# $%#"#"!# )'&$$'"%!$#%" "#  '!()"" !$##"&!"&'!"##!!!"$  ! !*)% "  $$""!'"' "#&" $* $,!$%(*#!  !#,$ #'$""(  *""" *$ #.% *#"&! $"!#&%'$) ( &$   !'$ ('% " )$"!"(!%$    ' % %$ !*##'! "#"""$ $!$*#%"!"!'$ "!! %""()'!#%! ""#!"%"&!!!!  !($!$!$ "'" +0'$# %!! % !!$!"%""#!("#*'!!"" $!!##"&&&$!(##)#!#&$!  ! "" 0#! !'$#('& # & %##*) !""#'!%!!+!(
& " ""#%#/&"'("#&) ##"$  !#"# &"!!  +''  +# &+ !$ %)%')'!##"*" )$#  $*"!' &#%) $) !%!%"&''!!",$%# ( ")$-%!!#/"*! # !!($&'$#%!$$   %"$"!!#$!")*!"# & *!  #) $#+#&  $!"$'$$',#!" %!!" $-""$!##"$$ $"&&&$ -! ' "#!" "")+$*$""#&#'!$$$ #&# "#"""#!"&$"$,#)'& +% &!/#!!!"%$&!"  $(+ !!#&( ! #$!!$"#""$# %%$ "(""(#  "&"! ")$#"!$!& $' !" '(!#$!$  %!! &  (  (+!! ##%''+(1%#"&"!!'$# %!%'$)""  !# %&"#%! &,"##+*$,'""(#"&! )*"$ +"" "'"$ #$!#% $ &%!$"+"'"#$ "#0'!$ !"#.*!#!#  "%-"  "%""*% "#"&%"!!(%' #!#"! !"  !!#(!' " '  '"'&!#!# !##%!"$#"
(!# " !") #'"#!"! ,#'%!'%!&#+ %$!!!'( !"%$ % ,$$" $!'   !# #" &"($)&""&# %$""%#%! )&&"!'-$#"  '! #%""!(&&&!!$  $!!"! !#$#$"! !""  %"!"%!( "!!%##"!'!#$(!$"" # %'!% #" !!() "&# "-%)-%##*#  '*&$"!#  $%&*2("!)" /" !##!!$"# '#""*!#%(!#%  !$+(#"$"!(!# ("'!$%" #+# #%&$ +& *"!%"#%# !) #($!#"",#!!!&&(!# $#'.%" #  ! *#  $&    #! )""$&$!&*#'!)!!#  % # #  ' !"$!!" #*$!' $"(#  ()"  +%!$"$!%)&" $"(!"$'* #$$#""""  $ $(!%# #%'! %!* %%')#"("&)")"" ! ""  !  #%!!%$"$$ %)&!#" )$!""( "'')"&!! #)&"%*(""&"'#!!!  !  '! !#"""" ! #$ ##)    !(#"'"!'#" $  !!%#!"#$"#"'% ""2"#$"$#! ".*'#%  ))!&" !#&"# !,#"#. #!" $  # #  " $" & #(% !%!&"'&-# !$#($ '" $""!""  &"%$(+ $!&"(  %!$&! !#% "!#&$&% !*.!&""" (  "'#$"!! "!&%! #-&   !" .40!# $"%#&$$""$$$*&  " $' $' $! #$!!&-2#"#&!%!$ !!#%% !! !#&!#,#&!$ %"*"%!2-')!($  #& )%##!!  +%*'
) .#*4&
# $ !""&  $#!!,)#$!&$#""!! ( %$")(%$%!  $!"!  "(#!$##$$##  !
!.8Q9&"#""$&! !)"&$"!"!&"! "$!+ !+$ !&!! $#"!$ )P�
�52 !$! #!#! "%"  #! ! $!#$$"!# !%!!"$#,! !*!'G�
~
�
V3 1" ! #(" "#!##$#$"%!" ##&!!#" !###$!!"") %)#,/q

b�P4$%$&$*  % !!"- ('''")& "&$& !!$%"'$)!'# #"#.&&#?\�y&"+"'!!"  '(#!!"&!"!"!! "   !%"$%! '") "$ !""$#!#&& "+E/!%"
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
# &%  &#$ )'&!$#
!#"
!)3#$&#"!$)!!'"  *"%&&#"%""'$"" %$#&# ! 
 $4BW:$!#!"( #!)&"!!"" $""!#$!%($&
(!*%8l
?
��/ 
#! ##!%&   )# $ $!(!! ! %"!#$ #&+ ! ";7>"$&  (R�
���
BH>

&#$ $($* "" &#  "$$ $""$($"%'-#""%!  &"!#$ "2)!>k[7& $(A�
���
N#&&!! $#"#$#!!!# ' '#%"!""(% (!x��V$
$  )8�
�
p�/ %"!#$""!$(&'## ! $ & %"(%!!!$+%
-`
�3
��;&$( &D_pH

"!!& !'&$ !$#"   !#'' "%&0!#&!( %# +.N�)�J�@+($'$,B7/$# $'"! #'( ##!  !  ! !#! #&5�
c+
4n2%'! ! "$.! ')%$& +(!)#&)$# #%#"&$'!""##"%!*%)+;��i'&"
$& !&# #   #!""" %*'$ !'!&$&"$," )!%5=3  #,%&"$"$$%!$  ##(!$!%!#%!!*$"!*#!"!
!"%)##!& !%"#?50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  !%# &! ! #! '#%$& **%" ## "%)'$!%'& ")"'$$"&
! %) ""!"!#"%#"$"!!  ""#!" !'"")"$ !(.&("(!$!(!$&+ %"#)"" (! "   $"! " (!% ! $ %! !   " &)$#$#$ !! ( "#"%%& )#&  !%   ($$ !"#  $$$   ( +'. $#! $%&  &)#&%$%!%%!' $#
" % ##%&$#%*"$%"'(&$!"!# !!"! "#$&! !'
!$'  '!' #"%"#.!$$$#$'#  '$ #!"%*+&")$!$ $"*$! "!!"$#%(!#%#"%"  %+  '#$#%&! "#& !"#$#%# "!#+!$#	"# #$!*&$"$$&%! '""###$$&!%&."#%   $'!" &"!!
  !#$##(   !%%"#" "#'! 
("" &$"%(!
$!%!"!  #!&*"$""% !"!!$ "&" $&&"    !+%%!#*&
"(#%% ""%#&"/!+#(!#",77,#!  +$& )!'!$"" !)! #($(# "$ ,"&&"
	&(")&!& !!""!#+Q��@/$  $% # $#) !"%" # &'!'  (!!"2&%,%)" 	! &!'4%$!!A�
��I* # !!'"  %!!#"!53*"!" &%,!!"&$!%&&! '$ " '-t
��_�["! #) $"&!%%%! *!!0>U,.
.- ." "&."
!" $-#%  '& $"#&,"#"(e
9M
��4+'$%"!!#%&'!-&##3>DD*!"" "&)%!#	!!%$# %"#%*!%&$!!%&:u��P*'$#"#%"" "#!&!%%"#:($"##&# $!) %!"!. "#,$!% $&4KD" $ %  $"!&" "!! &!"  !(&
 #!"!!!%!&" # $$"# $")" !!#/%*##&!%" !" & "%!"%#"$!	!$ "!  & -" $)"#!
*!!&"'*!""%'! "!$$"!$##"### !"(%('($#$!" !)%#! "&"!$%%$ # ! '#$!!$##&!" #!!#%"#%"#$'$#%"$,%*!! #&,%$ !"!%""&$)&#$'%%)###"! ! !!$$"#'*%'$ ! " %"*%+%%!- ! "" % &)$   $&!"$&!!  #*$(" & &"%'."&# *'#$!#&$ (''!%#! $"$& !$!$*2)( %&% +! -# ) % %**(! !##( &)+".'%$'!$*!!#!" !#(*%#%"* $ #(+%#"2--!!!%("* #  #!,  " ! "9N^9"&'# )&&  "%! "%!" "#!$#- $ ! '%!   % !! !#% 8���U0%%"%"   "!##! ## !$ $"## & !$#$   !#$%!! $J�
�U)#"%!#" $# -& "".(%!##"$"!%'2$$# !'$',%&!'!$!!,(0  #( $$'$2{��A,%#" +$) #$  !"&,# $"""& %$'%($! # %#%#!%* $'!""!'+MP+#!!* !!# (((!%! #$&"%#(! "!& # #"$"%# !"$"(%"+&"""$'"!"" # $"'$&/)$##"("! %$&&!!&)#! '%# &%%(02(#)) ##"$$'(('("0#"',A@\F!#!!% *"$ #" * #!  #!''"!#  "!!!($"&!!!".&$",%#!!%     ##1H) #-I�
��Z4*!%&! &  #!"! $"%%""""*)" "%# "## -%'#!*#%' %"$ !1"%,Jz4",>�
���?-
  " "! !$%"# !% # !!$" "#.!%%  "%'  2XR0! /K�
���5" %!(&##!)' &"!!#,!"&!"%#"#"   "!$ *  !)"&$!&#.B,#'1y
)
�
\6$#"* &!$!"'*##%!  #"  , " !$"!! %$'%-!#!/#$9npl-##"& "!"(  !# (%!! "&&#&%$"- & '#,+" ( (*!,### )" "*"%$#*- !" #%'$!$$' (" !, *&'#&(

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