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  = '00853882000'        / Observation ID                                 TARG_ID = '853882  '           / 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  =      556288452.54808 / Start time                                     DATE-OBS= '2018-08-18T12:34:12.5' / Start Date                                  TSTOP   =      556288602.41608 / Stop time                                      DATE-END= '2018-08-18T12:36:42.4' / 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    = '2018-08-18T12:39:26' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -21.44776 / UTCF at TSTART                                 CHECKSUM= 'CedXCbcXCbcXCbcX'   / HDU checksum updated 2018-08-18T12:39:26       DATASUM = '         0'         / data unit checksum updated 2018-08-18T12:39:26 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  = '00853882000'        / Observation ID                                 TARG_ID = '853882  '           / 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    = '2018-08-18T12:39:26' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=            -21.44776 / UTCF at TSTART                                 TSTART  =      556288452.54808 / Start time                                     DATE-OBS= '2018-08-18T12:34:12.5' / Start Date                                  TSTOP   =      556288602.41608 / Stop time                                      DATE-END= '2018-08-18T12:36:42.4' / Stop Date                                   TELAPSE =     149.868000030518 / TSTOP - TSTART                                 ONTIME  =     149.868000030518 / Sum of GTIs                                    LIVETIME=     149.868000030518 / Ontime multiplied by DEADC                     EXPOSURE=     149.868000030518 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           EXTNAME = 'wh556288452I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            556288452 / uvot EXPosure ID                               FILTER  = 'WHITE   '           / FILTER used in exposure                        DETNAM  = '2000    '           / WHEELPOS                                       RA_PNT  =     104.251781423139 / [deg] Ra Pointing                              DEC_PNT =     39.3157049590439 / [deg] Dec Pointing                             PA_PNT  =             112.1833 / [deg] Position angle (roll)                    WINDOWX0=                  704 / Lower left hand X                              WINDOWY0=                 1003 / 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  =                704.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =               1003.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=            -21.44776 / [s] UTC Correction time                        UTCCSEC =                  -22 / UTC Correction Seconds                         UTCCSUBS=                27612 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =       556288679.4956 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            556288679 / ccsds PacKeT SEConds                           PKTSUBS =                24780 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= 'Ui9Qaf7NWf7Naf7N'   / HDU checksum updated 2018-08-18T12:39:26       DATASUM = '597772  '           / data unit checksum updated 2018-08-18T12:39:26 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             !   
#!

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

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

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

#/&"!

>0$" 
  L (
  & &  L2 ! 
  
 $ & $!( !"" 
! ( !
$!
"! " "  !"(%%)
  #!!!

 ! $$
#
 #% 
 

"7+
"
 %8
  +#
!  ?7 "+#! !!(10#!%	! #$##!
*2  $!"
!"'  !!  
! 
 #!"$ $ !$ (##!
#
#$ "
%
  ! !" $!
!
 
 !$
  
$ # !"
! "$" "

 	 !( "
$
!&#
# ""   # #  
 $	 




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

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

 

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


&
#  

# $
$!$!##!" # 
$

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

"& !
! "$!" 

# $# ##  !
"""!'+(!  
"
 ".nq.""(

 !
#

# 1Zƒ#$
#
!	1Hvw: !#$	"".%! #$!!3DD7
-43. 
(0*(  +,'! 


#!!$"
$$"


 "!
# 
##''  !& $





$!#

#
!!
	
#
 "
"
"+
4O*


#!!$!""
  
" "! :™
²Ý+""
$# "!

=š…
ê< !
$
!"#!""(?³øQW! #$$3"
!#
		/a
’¢o 
# *$	Aá
»c   !") #!
%# $##
RˆtD
#
"  

  


	%

"#!"$
!

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


&'  ! 

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



# !"#!#    )%
""
 &  "
 
#
$!
 	#   "#"!   
  ! 
" 
 # "'!
 !#  "!"
#	
#
   $  !$
!"#"
 "
!#!(!!$!#""  "
/>0!!"! !"$84)" 
"<1 &%!! !$% 
"!!
) " !
 

"! & #$"(!% #,)## 
!7E5$ ) 
!$"%# RE9$$"!#2E9* !!&

&%
!#!!"
$  #%#

 
##! $
# '

'
  

!!	
"$!$!  

""!(  
!!!$""! $(&
 

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

'"""" ""	
""!


 

!	 
"

" 	
!#""
"
"    %%

#  " 

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

" 
#
 
	
# !!"*"%&!%

 " 
 )!! " 	
!"  &#
"!% &)
#!"
! $##
!#Dh6"'#&' 

 !&JžÆ_) 
'"%!!)SÉÀY&
 !
#! 
'## "

!   "V®˜e/%#!
!

 $".nnT#!#

! !"(60"

 " "  "  $"! 
#!" 
$%## "%!
% !&""
 $# 
!%
)!	 !"
 !
   %-