SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 1 / number of data axes NAXIS1 = 0 / length of data axis 1 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 HISTORY fimgcreate 1.0b at 2020-12-31T12:13:25 DATE = '2020-12-31T12:13:25' / file creation date (YYYY-MM-DDThh:mm:ss UT) INSTRUME= 'UVOT ' TSTART = 630227509.03758 TSTOP = 630228318.69012 DATE-OBS= '2020-12-21T07:08:59' DATE-END= '2020-12-21T07:25:13' OBJECT = 'GRB201221a' XOBS_ID = 01013852000 / Generating sequence PROCVER = '3.18.15 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201008_x20200724_m20201106' / CALDB index versions used TIMESYS = 'TT ' / time system MJDREFI = 51910 / MJD reference day 01 Jan 2001 00:00:00 MJDREFF = 0.00074287037 / MJD reference (fraction of day) 01 Jan 2001 00:CLOCKAPP= F / If clock correction are applied (F/T) TIMEUNIT= 's ' / Time unit for timing header keywords UTCFINIT= -26.1902200000000 / [s] UTCF at TSTART CHECKSUM= 'YFagaDYdTDadYDYd' / HDU checksum updated 2020-12-31T12:31:35 DATASUM = ' 0' / data unit checksum updated 2020-12-31T12:31:35 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 = '01013852000' / Observation ID TARG_ID = '1013852 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / 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-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2020-12-31T12:06:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.1902200000000 / [s] UTCF at TSTART TSTART = 630227509.03758 / Start time DATE-OBS= '2020-12-21T07:11:44' TSTOP = 630227658.89454 / Stop time DATE-END= '2020-12-21T07:14:13' 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 = 'wh630227509I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 630227509 / uvot EXPosure ID FILTER = 'WHITE ' / FILTER used in exposure DETNAM = '2000 ' / WHEELPOS RA_PNT = 214.509247920357 / [deg] Ra Pointing DEC_PNT = -45.4261133132965 / [deg] Dec Pointing PA_PNT = 83.05141 / [deg] Position angle (roll) WINDOWX0= 611 / Lower left hand X WINDOWY0= 837 / 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 = 611.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 837.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -26.19022 / [s] UTC Correction time UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 40489 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 630227768.49564 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 630227768 / ccsds PacKeT SEConds PKTSUBS = 24782 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'g6fYi5cXg5cXg5cX' / HDU checksum updated 2020-12-31T12:31:35 DATASUM = '700807 ' / data unit checksum updated 2020-12-31T12:06:13 PROCVER = '3.18.15 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201008_x20200724_m20201106' / CALDB index versions used END # #""!+/  01B.#'#"#$"" !  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( #4~!}>%"! %)"# *! $ '!##&(!  &Ny8n_&!$% ()(! !"#!$! !"&$,%'&# "!'@$bK"!,$)   $"%!   #% ) &! & %)6W=! #' " $!!  !$#   """"#&"31 & !!! )"!# !!"$!"!&!"'$%+$%'""  !$ #!!!##-$" ! %! !!"1*#! ! $""%$&! %5N8@(!!!#$$% $$ !"! )#!"$5NSI:"!"! "*   &"! $$.TF-! !!.A81"$%$$  !!! " "!"$%#! (D,b9-  %$"'/($#!# !"##!   "A}r#" # !& "! " ( % !"  #<zs.(!"  (!"" !,  !!#"" #$" %"!<{S!!# # ! #"" " ""&#$*# !#):J;6 !!##&!!#(!$%"'  $#$$# &  "#$!$'!" # ""% ' #" !0+!  !  ! " &" " ## !'"!% !+% " ## ! "  " (  ! %" !!$   % !($!#"!"!"' +!$!!( !  !" "# $!%! #   $##"! "# $ "$+""!  !$ &"!!$ '!$ #!!&$!"%# %!&" ## !$" #&""!    !'! & # !"$ "(#"%# &(!& "  % $  (!!!( ! !&!"!!"! ! #!%$"  "&!!!' (!  #! '!! & !#  $+  "# 4*%"% &7C8(##"# "!!$ # "! %839, $&0ISV+# !!  !$# -++ '$)+# "$8XnB" "   %!#""$"! )! $!  #!  .DF6 "%"    !! " ("*! " &6 !-  )%%"(&  "$ %! !!""  "!%# %! +$%" $ " #!%!  !#""!"')! '%%%!!!!,! !  #+  $$& %  !"#$"&" #"# &!!##-/-  #! %  *!& ! $$@mM(!""$$$"  !# $! !#  !f8"-'"!)&  !#"""!!""  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""\% # !  ##$#" "" "%"    $!$$ !!#$!@I"* $!"&#!%"#$#$%# !&&$ @&'#% "" '!$ "#%%" &#!$" "!-!"$* *   )Yp!%$! # $  " !#&$&    (    # ""!!#""    # " "!%$"    !'!! !##!!! !!"#"#"#%"# 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 = '01013852000' / Observation ID TARG_ID = '1013852 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / 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-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2020-12-31T12:06:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.1902400000000 / [s] UTCF at TSTART TSTART = 630227667.0731 / Start time DATE-OBS= '2020-12-21T07:14:22' TSTOP = 630227917.00766 / Stop time DATE-END= '2020-12-21T07:18:32' TELAPSE = 249.934559941292 / TSTOP - TSTART ONTIME = 249.934559941292 / Sum of GTIs LIVETIME= 249.934559941292 / Ontime multiplied by DEADC EXPOSURE= 249.934559941292 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'uu630227667I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 630227667 / uvot EXPosure ID FILTER = 'U ' / FILTER used in exposure DETNAM = '1400 ' / WHEELPOS RA_PNT = 214.508327304735 / [deg] Ra Pointing DEC_PNT = -45.4250103284869 / [deg] Dec Pointing PA_PNT = 83.05407 / [deg] Position angle (roll) WINDOWX0= 611 / Lower left hand X WINDOWY0= 837 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 22639 / 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 = 611.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 837.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -26.19024 / [s] UTC Correction time UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 40488 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 630228029.37646 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 630228029 / ccsds PacKeT SEConds PKTSUBS = 18823 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'Cn4AFm34Cm39Cm39' / HDU checksum updated 2020-12-31T12:31:35 DATASUM = '294714 ' / data unit checksum updated 2020-12-31T12:06:13 PROCVER = '3.18.15 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201008_x20200724_m20201106' / CALDB index versions used END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              #                                  #                                     &#                                                                                                                                                                                                                                                                                                                                                                                                                                                           $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         !                                             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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 = '01013852000' / Observation ID TARG_ID = '1013852 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.22 ' / 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-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2020-12-31T12:06:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.1902600000000 / [s] UTCF at TSTART TSTART = 630228247.0074 / Start time DATE-OBS= '2020-12-21T07:24:02' TSTOP = 630228318.69012 / Stop time DATE-END= '2020-12-21T07:25:13' TELAPSE = 71.6827199459076 / TSTOP - TSTART ONTIME = 71.6827199459076 / Sum of GTIs LIVETIME= 71.6827199459076 / Ontime multiplied by DEADC EXPOSURE= 71.6827199459076 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'wh630228247I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 630228247 / uvot EXPosure ID FILTER = 'WHITE ' / FILTER used in exposure DETNAM = '2000 ' / WHEELPOS RA_PNT = 214.508352039184 / [deg] Ra Pointing DEC_PNT = -45.4252760568393 / [deg] Dec Pointing PA_PNT = 83.0542 / [deg] Position angle (roll) WINDOWX0= 611 / Lower left hand X WINDOWY0= 837 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 6493 / 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 = 611.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 837.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -26.19026 / [s] UTC Correction time UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 40487 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 630228364.69542 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 630228364 / ccsds PacKeT SEConds PKTSUBS = 34771 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'aqeWaneWaneWaneW' / HDU checksum updated 2020-12-31T12:31:35 DATASUM = '498388 ' / data unit checksum updated 2020-12-31T12:06:13 PROCVER = '3.18.15 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201008_x20200724_m20201106' / CALDB index versions used END    !            # ))       '3.-                 )/B/           #*&     $    $)      -,/"    ! $(                                                          !                                                                      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