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  = '01016013000'        / Observation ID                                 TARG_ID = '1016013 '           / 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  =       631542900.6448 / Start time                                     DATE-OBS= '2021-01-05T12:35:00.6' / Start Date                                  TSTOP   =      631543050.50176 / Stop time                                      DATE-END= '2021-01-05T12:37:30.5' / 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    = '2021-01-05T12:39:14' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -26.27724 / UTCF at TSTART                                 CHECKSUM= 'Ql4aTl2YQl2aQl2W'   / HDU checksum updated 2021-01-05T12:39:14       DATASUM = '         0'         / data unit checksum updated 2021-01-05T12:39:14 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  = '01016013000'        / Observation ID                                 TARG_ID = '1016013 '           / 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    = '2021-01-05T12:39:14' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -26.27724 / UTCF at TSTART                                 TSTART  =       631542900.6448 / Start time                                     DATE-OBS= '2021-01-05T12:35:00.6' / Start Date                                  TSTOP   =      631543050.50176 / Stop time                                      DATE-END= '2021-01-05T12:37:30.5' / Stop Date                                   TELAPSE =     149.856960058212 / TSTOP - TSTART                                 ONTIME  =     149.856960058212 / Sum of GTIs                                    LIVETIME=     149.856960058212 / Ontime multiplied by DEADC                     EXPOSURE=     149.856960058212 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           EXTNAME = 'wh631542900I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            631542900 / uvot EXPosure ID                               FILTER  = 'WHITE   '           / FILTER used in exposure                        DETNAM  = '2000    '           / WHEELPOS                                       RA_PNT  =     307.714058081447 / [deg] Ra Pointing                              DEC_PNT =     41.0667277394013 / [deg] Dec Pointing                             PA_PNT  =             201.1683 / [deg] Position angle (roll)                    WINDOWX0=                  767 / Lower left hand X                              WINDOWY0=                  862 / Lower left hand Y                              WINDOWDX=                  320 / X Window width                                 WINDOWDY=                  320 / Y Window width                                 NFRAMES =                13574 / 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  =                767.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =                862.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=            -26.27724 / [s] UTC Correction time                        UTCCSEC =                  -27 / UTC Correction Seconds                         UTCCSUBS=                36138 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =      631543079.09558 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            631543079 / ccsds PacKeT SEConds                           PKTSUBS =                 4779 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= '8AIG92H988HG88H9'   / HDU checksum updated 2021-01-05T12:39:14       DATASUM = '605408  '           / data unit checksum updated 2021-01-05T12:39:14 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             

$ ! !"
!
!"
!$"F>" !!"!/"  #$
 
FJ#
#&  " 

%#!"! Gh>
#

	
 !""U|qX#
&
 
 !""#(Zsq: $"

!"	$=]?$
# """

0HV 
###'(
"$/j�)

&
  "L�
�H!(!!  !#

B�
3
"	 " !"6�
5


  
$
".N�
6
�/

  $!'

!! $,&�
�
{
��+	  #

$! !
%
*
]�b4
#"#!!  


!
	1
D
H3
	!!!!
!:
b�?! 


!" 
!  "!  
"# <
R
R)
'#" 
#)(! ! ! *��1"#"$!(!'" !'

_a



-! 

a^:	" 	 "".'!$

 "v�t?!
 !!!=';�a3#

 JB/  $! "		
HWV%$  $
!"!!!   
(BQ�Z# #&1.!  
$#"!"'$! !"+C5%&*0 !  $! #!
&"+#0.
 !	'!
 &4@.!"	#!!   % "!%<,"


!#$(%#  .0  
!  
!


 +;)

$!'
 F_O&!# 

$" ! !&ZeL)*  !!"



#!%" %E�?$
!!$#  *t�Q#
 
$	!
!
" "+=Y�[?! !(#"!(Z��p:+" $$ # &" 0c�i@! 

! 

!


%!2btF0

+'
!
#;Qc=%"  )"BEP'!!#" "


0@,$  #


&=9

  !
)=   "#

"%#"%$ $ !'*<2'!!$%""#"
!@)'%"
!!
$#,9(
"

 

#
! 


#",7+ 
 $"#"	#"
 .#
$&
 $" !""



 % !#'" $&
!  

!!%   %+

  % &"!
$!#	$ # 

!
#!  "
!" "
 $# 
 %#


#!


 
!!
!!  ,
 "
(!!#
 "#! $ !-$" "	#%!

%A3"
&
#!J6'! !
!
,DY' !
 "
 #$!&&BL7!%% """'B+

! 
 

'85+!!
 $"  !"!!GY>&!%
 ""Y�[/ %
# "#  "  !S�e%!! 

" "
  ##Y�n2

!
 !!!!!  ""I��o1$ !"%$) !	#''b���N%+"   !"$
%!#P���9!%%
"%"

 0f��^
!%$!

*!%
" 9h��J  #'#'  %!+%"! $"6Z��>!%+#
!
"
#&#'1db/
  "	
"!


&JF! 0*
!#)!(&!:U5 

 $&! ##+,%  (IPA##"'
!  !$"%!$4M;&
& "
 #/#'70

	
!"  !% (9  ,L(! !" /:(!)*9+&"!"$

%#!#
% 
	!4)*4  &*
# 


!1"%

%#  '25:* "$!!$& #!)(0J>*
!$"$	#
!!"=D9;%	"'&& !"
4_A)&"! 

 $"#a�l6)$#
!  !* 
$
! !
$"%!L{�4&!""!(!"%
  3G��>%%  $ ! (%

.avG4  
! 
)!! 8\y>#3)% & Bh_A' 
" 
*40(&! ! !"

 %0DG6 ("
  /.'	
! 


#	!
.91$
'1
$
!!"%!) -=+ #"!&!/5,!+" %-:-"" 
$*0Q<$
 !24B)#
"# *M?$
"%8"$7O9$ ! " +3*
 !&;NaL&!" "!"+(#$$&!" $A`d\P!
" !#
%$#!" !-Ozk*#!
 

 
 
:uq?!

'!$$""# Ira'
 "!"
!$"	#!! (?k8)  !$
+C4 "#
" 
 	(-,! 
$
$#!
#
(>+   " '
#+  " 55&"!
!!
!#	,+ 

  !
) 


   ""!#! 
#'+'  
 " &#$  
!#+-! "!  !"$! #







#
"" !!
!) #'!* !  !###(""  !%!#"

!
 
" 
  '



 * #  %$" "!
! !""
!
$
"
# #
! "#! " '    & !	

 "" 




   &
!"%
 !& ""!( ! 
!
  


!+! 
"%&#
 "
%

 !!%#
#%
!#  $"'
&!
!!#!$

"

 !"""%  $  

!! %! !!(#"!# ' 	 

" $

"
' %$  % ! !%    " %#
 ##  !!

"


 % %$ $ 
 
 
"
 # #&!"
	!
! !"



"

	!"%% 
! ""  # $! $
&#% ! ""$$!


  
#


"!! $ !##'&#
&# 
 ""'
! !"#!
#"