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  = '00457553000'        / Observation ID                                 TARG_ID = '457553  '           / 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  =      332748680.05766 / Start time                                     DATE-OBS= '2011-07-19T06:11:20.1' / Start Date                                  TSTOP   =      332748829.92566 / Stop time                                      DATE-END= '2011-07-19T06:13:49.9' / 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    = '2011-07-19T06:18:11' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=             -7.17148 / UTCF at TSTART                                 CHECKSUM= 'EcnbEbnZEbnaEbnY'   / HDU checksum updated 2011-07-19T06:18:11       DATASUM = '         0'         / data unit checksum updated 2011-07-19T06:18:11 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  = '00457553000'        / Observation ID                                 TARG_ID = '457553  '           / 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    = '2011-07-19T06:18:11' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=             -7.17148 / UTCF at TSTART                                 TSTART  =      332748680.05766 / Start time                                     DATE-OBS= '2011-07-19T06:11:20.1' / Start Date                                  TSTOP   =      332748829.92566 / Stop time                                      DATE-END= '2011-07-19T06:13:49.9' / 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 = 'wh332748680I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            332748680 / uvot EXPosure ID                               FILTER  = 'WHITE   '           / FILTER used in exposure                        DETNAM  = '2000    '           / WHEELPOS                                       RA_PNT  =     24.5707330523271 / [deg] Ra Pointing                              DEC_PNT =      34.582212625479 / [deg] Dec Pointing                             PA_PNT  =             70.61404 / [deg] Position angle (roll)                    WINDOWX0=                  838 / Lower left hand X                              WINDOWY0=                  817 / Lower left hand Y                              WINDOWDX=                  320 / X Window width                                 WINDOWDY=                  320 / Y Window width                                 NFRAMES =                13575 / number of frames included                      GRBLOC  =                    1 / 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  =                838.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =                817.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=             -7.17148 / [s] UTC Correction time                        UTCCSEC =                   -8 / UTC Correction Seconds                         UTCCSUBS=                41426 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =       332748948.5756 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            332748948 / ccsds PacKeT SEConds                           PKTSUBS =                28780 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= 'YcDmZa9kYaCkYa9k'   / HDU checksum updated 2011-07-19T06:18:11       DATASUM = '705023  '           / data unit checksum updated 2011-07-19T06:18:11 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             !#&#&! "$'%!#"!! # $$)  !)%#"%  $!#")"# )&'"#  !$ " "!#"####!" #!$$$   &"#% #)!! $!%""!"("&"##"""  !& &!!$ %$"!"#!!!#$!!&!" "+)!$'$$& #"#) $$#%!& $& " !   !%  #" $! " "!#!"#!$'"-%% !! %  "!#%#"% %$$"" "'"#!!"(!!!$!#!!! "!' !" "  . !(")%'#!% $&#" '!#%# %""" *& #%"# !  #$"$*&#&$!  ($#)"(#!
!#&## !" ! "*!&' #*" ! !"!! !"" $  !'# ! !'!( *% ##!$#  $!#%!" !&"! !  "#"*!'$# #&!  &!"#!(%"$""" ! !!&$ " !!" * (&!#$!!!&(  # "" ! 
$  " &!)""&'"# ! ("""' $ !#!"!"!!(($#!&$ $"' '! &$   &!   $#$'-&6D51$$# $" /
!%"  !"&-"!##!'$  "$/a�j7' $!,  "%##!!!'$"#)"""( "#$" "#*([���I# )  !  % !"!!' + #"""!/!%$% !##! "')<Z�r@"!# $."$*&#)  (  #$#  *'!+) .   %$#  "!& &$#!! " .@5!& !(!$!$&!%!!*" &" !## "'  %#""'  &"& (!$## "!$!# "$   ! !""(.!"$"% #&% "!!)!!) $ &"  $$!$ #!)$&!" ! "!#%"! +' !&"-!#$ " ##!#
!$#$"!##*'"# )#!""###"   #"!"$ !%*!!   "$%!& $$# "!"%!"'&  $#!&!- &
 "*'$" " ""$!#$& '#' "&$    #'"#! # !&"##""#!$"""   ("#!
$$$$  ' # "!!&  '##" !'!&%( &!%"!&
$  !'$#"#% #!&    #!!  !!"""!$" !!!( " $'!!#!" $! ""#'""# "!!! $&#! !!#"*"$&"!$!)! !!$ &%*"#(!%("#" (# $$!#!" $#!" "!  $!#&  !' !"!!#%$'& , $ !(#'+(& $! #"# !! '$#&+"$    !#$!%#""!" "  $ "("&(&## "'$!.$
$%'!$&!'"   !"!
%!&(  $!!  "#% ""  ! %#%&"$!"(&")")&!!" "$!&"!!'!"!$%") %#"! & $)& "  !"###$##%'&)!" # """%!$!!!'% !!! &"!$# #&&  %%!*&!!$!  " %    "! ! ! "!"# "&# #)"% "##    # '#- %"! $) !!  )  #,$# #"&"%!!%! $ ""$"" $"$"(! !$#" '!' #!(
#!"  "! !$ # ""# ! "&#& %%!!%! ","&$"!"$$#%  "#""&#!&!##!!%)'&'###%#$! "#$!  )& !$ "!!!"$*&$$$ "! # # !!% !"" '%&"  !  !$, &! "%#"!$ )"#"! !! %!'%'!  !% $ $& ('%""" "#&% '"#$ # !!"!!"'"&'##($!! ##(   !(&" ! &" , %"'&"% "&#%"!"$& ' ''% $"""!",$")!"!%&$%!"#$ # %!$&)#"!#"(# "*!!!###  !%!"(#""#"%) #  '  #*
! ""% "(  )%$#+"&  %  %& "##"(!!""!((!%'$#% !!$# !!!%$%(!   $$!!!"-' "###!$#!'%)!&$.# # "%! #"& $"#&"#))" !#%!$!%!$#)!!"&" "$#!!! !/' #( $"'"
#-,!+#+&"!$*%( (""&#!"& ""$# %# & !%"## "  ""  )#$  "# ##&# !!'!""""!"'$" &""""$"$%"&"!%#&!!&%'"$! #  "!!
#"" .'  (!'&$#"# )#!$ %'# #$## "!)!%# $!""  ( &!"$'&!&"$&( &  !  "-"% #%$!#'#
("&!) %&" $"
$ ! %"!'#$$"$!%  "!$"#( !"$'  !$!#%#! %# %"!  ($"# $ *'%%" !'   !" """' &!# " "#!$'$ " %""-#%!##*%!&!"-"  !&#"%#($%(( (# #"
! ( !"$  $' " "$"!!##"!""- !%#  %$#   " #""$ " (# #!!! ! !&'"""&( $"  "(!$ $!!$!% #!'!! & ""%! % "#  !!%'"&$!!"$&!!!%"% 
"" -#!! !! "!$" "#!"!"!$%)   !&# #&! #!$ #! ! !%%$ #"## !  &#!!'#!!#*!$   "!!  " #"%* ! !"#% $"!%!#!& $#" ##&  "!%#$*% &&" !$ $!%#" !! " "!#($ *!$%!$ !&$#($$(#& # $#%""$&'" #%$$ +$ $#$!% "$## "$+" $"! !!#&  #(#  !#&!&%!"" !")  & ! &#$ ("$")+#  !"'!(""$#!%"
%)!!#!!!$ $ !"&'!!(##!""!  $"  !##,'&-$"#%#$%$  $ # "( %#   + &)!($%)!   !"(# )#' !! !"$%!  +%!% !%#$    !" !"+!%#&# $$"#$/!""! '($ !  ''$# &% # #!  !  !!!&$* *   """  " $"'%!%#!'"%  $ !"## &!!!!'!!"#*#" %&$%  '!#'! #(""&$"!!&!##&"  $"%"!$3  (+ !!(!!! # !!'"#$!"'$!! $! !&#! !!!!#%!('&!"!&!#
"!!! # "   "  !# "#%! #"#$"&  &++(!!*#! "&!$ ""  &"! %#!"
 !#"!%#!)"'#%"$&$  %&$  !$!'&! !$$ ,"(  !###  &#!"!. "!%$! # $  & %!!&!$ "!"("  ,,! $&'!&!$"## !$&"%& ("!! !!!$  ( !#! !"!## !' "$  $,"!$$  &$$#!$ 
! #$!! ".#$ )+  #  !!$" ! &!""#)#% # !$#&%" "!(!' "!"##"!! ++# !  #$'#$ '$! %() "#"#)'!!!!#!$#)'!#"# %!!""#"#!$!+!!  "+ # "$# %#*$!$ ! ( "'!! !%&%""!# %!# ($#%!"+$$"  $#$ *"" !'"#$#"!% !!#!$&  ## "" % '#!'$%+!&!$ ,&%"."!##' !#! $ $$##) ! !  "%$$ !% !)!#! %!! "&&$ %  !$ """#-  &% " $ "&# "$"! #'("!" """'"! +!"!!%" ###& "$*!!"#"!#"$# # $!$ '!%## $"'"& !&&%!! !," !"  " "!!! %&#" $) ' ""#"#%"! ""##! "*"$#"%$*& $! ## $ !$&#% ! %!! '   '"  $$# #"$"#%(%&$#" $) !#! $!#%#!!!"$"#$ #"##)!"#"'$ $$*"! !%#!&!%#!
 ! $ %# !!"$"
 "#)## !%  ($!#! # !"! $( ($# "!%!##"##! $"!!#!!!"!$!'#$ #%*$'  $  !&!&$ ( 0 # $%"  ("### #"!$"
"
"  #"! ( ! $"#   #!&$#!   &$$#$ (!*!!! #  !###"#$# !& ""!%!#$) !!(#%""'""&"#! #'"'!!' +$( !&!&&&#!    "" " !)  ' %!$"" & #%"$ $#  ' # !#!!'# "&##'"!!# ")#"('%#""$)  !" #!!$ """"&*"!   %$#"%#!$#""& $*(%&   ! $ ##)$!! $ !%#! &$"#  "!$#&" !" $) ' !"#"!###' !# $# # !%"%&&"))%#     "%!"!!!"#' "#$%. $" "$ "!$$!#&%"""""#
)%"$$"%!!"#'"   "%"",&%"$'#!  "%  !"! #& # (!#"!%#!$$$" "#! )##!#& !$!"! "#" $' #!  !)#"&%$#"!" "#%( ! (
" !,  $#!# "$&&##!#!!   #!% !""'"!%!!"'!(##"" $!!)# %
(! #/%' &+ $#'(% ! # !#!#!" #!& &  !  ! ('   !&% ""% "#! "* +"!)&%"&!! $*&$# !#)%!  %!5#"$#% "" )%"!*%$#!&! 
"!!"$!!#" !!( !!  !"!#% &#! % #   '!" !"!#"#!'  '!#""&!  #$#&"$+#, (#%'#  !' !! '$" (# ,"" '! &($!   !!#""%!!  # !!!# !!&&&!!#!& #"#%!! (   $# !%#!" !%$ (&##! " " $!%$""! "#*)'-&#+% ( ! &%  "$ "#!"$'" % # ##!"#" # !% "!  '"  !$%&!  "!#  "!% #!" !%#% "$# # "  "%"&&   # % #    "&  $ ! #! % ""!" "##&#("!"&' !!&'!!"#"'#!!#""&"#' # $!$ !%"!!""!&. !  #  $#$)#!!%!!&    %"!%!"%"'!$$"!"" ) $ !!$!" %$!"&""!   $!'"  (!"&*"  "() # #& #"%# )  ""#!$
"&##&( &")#$%$!*$!!!)$!)%!""#(#"'$ ""!"#" !&&%"", "$"'%# %%$!$  !%&!" !!# #!!%!! #"!$"#" &("! ! ! '%$#!" "" $'!$ $$## ! !""#"!#" " !!&&!" "
!$ &%"# #$!#%%#   ##   %)%$%$$' #**"! ! ## !#!## # &&   "!!
'"!%"" !!$!!#"!"##&(@4"&% !($) "!   #  "!%#!)"! )")% "% !##" "+"#*%"!"$$&!#  "#!#%!!&!$! $"##%#!!&"*"!#!!"%'!"    !#(#  !" !( $" !#" !%!!"!" &!"""#  !##!  ##%$% 
 " %& #!$%$ '$&"'&% !"!'' &&##! %!*!" "'"!#!!! !#&#'!"(#$$!"   !$) '$# ! %"%!'$#' "!&    "!$!!  #%#  !"$   ('!%" # !!$!'!((!!"#$#$!&,&# "!!!" '$''%!$$ "% &($"$)%  & ##  #$"%%#"!& #& # $#$!%&# !&"%! !($"" &+ !"  ""%$!" " ""#&"!!'-/+' #$$!, &&$% ' !!#""! !!& # #!& '$$#+<GI.% '!$ # )"" $ !
#$)%#"'"   ## %!%!"! &%+ !
,K���E,.+"# "&'""#"&+  !  )$% #!!$ ' !('# %>�
G
��~6#"! '$! # "#!!% &+5�

Q
~4' !$( "  "#,!!!!% " % !!"#==���j<+#! &$  +$!$#$$$('!) " !!!!$"#
%&$.<YJ<#,&!!,$' !%!/"!#!!!" &""$$"! $"*#-/-)"%  !!"#""&%