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 2011-04-26T20:34:11 DATE = '2011-04-26T20:34:11' / file creation date (YYYY-MM-DDThh:mm:ss UT) INSTRUME= 'UVOT ' TSTART = 324990248.2864 TSTOP = 324991162.90126 DATE-OBS= '2011-04-20T11:02:22' DATE-END= '2011-04-20T11:19:21' OBJECT = 'GRB110420a' PROCVER = '3.14.1 ' / Processing script version SOFTVER = 'Hea_28Sep2010_V6.10_Swift_Rel3.7(Bld26)_06Jul2010' / HEASOFT and SwifCALDBVER= 'b20090130_u20110131_x20100802_m20110303' / 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 ATTFLAG = '111 ' / Orgin of attitude information UTCFINIT= -6.87416000000000 / [s] UTCF at TSTART CHECKSUM= '6aAH9Z6E6aAE6Y3E' / HDU checksum updated 2011-04-26T22:26:22 DATASUM = ' 0' / data unit checksum updated 2011-04-26T22:26:22 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 = '00451757000' / Observation ID TARG_ID = '451757 ' / 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 = '2011-04-26T19:30:58' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -6.87416000000000 / [s] UTCF at TSTART TSTART = 324990248.2864 / Start time DATE-OBS= '2011-04-20T11:04:07' TSTOP = 324990398.14336 / Stop time DATE-END= '2011-04-20T11:06:37' TELAPSE = 149.856959998608 / TSTOP - TSTART ONTIME = 149.856959998608 / Sum of GTIs LIVETIME= 149.856959998608 / Ontime multiplied by DEADC EXPOSURE= 149.856959998608 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'wh324990248I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 324990248 / uvot EXPosure ID FILTER = 'WHITE ' / FILTER used in exposure DETNAM = '2000 ' / WHEELPOS RA_PNT = 2.17829776204375 / [deg] Ra Pointing DEC_PNT = -37.8587029306627 / [deg] Dec Pointing PA_PNT = 31.37899 / [deg] Position angle (roll) WINDOWX0= 626 / Lower left hand X WINDOWY0= 1009 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 13574 / 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 = 626.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 1009.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -6.87416 / [s] UTC Correction time UTCCSEC = -7 / UTC Correction Seconds UTCCSUBS= 6292 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 324990459.4956 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 324990459 / ccsds PacKeT SEConds PKTSUBS = 24780 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= '9ABfH29Z98AfE87Z' / HDU checksum updated 2011-04-26T22:26:22 DATASUM = '538815 ' / data unit checksum updated 2011-04-26T19:30:58 PROCVER = '3.14.1 ' / Processing script version SOFTVER = 'Hea_28Sep2010_V6.10_Swift_Rel3.7(Bld26)_06Jul2010' / HEASOFT and SwifCALDBVER= 'b20090130_u20110131_x20100802_m20110303' / CALDB index versions used ATTFLAG = '111 ' / Orgin of attitude information END    EL0        ! 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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 = '00451757000' / Observation ID TARG_ID = '451757 ' / 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 = '2011-04-26T19:30:58' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -6.87416000000000 / [s] UTCF at TSTART TSTART = 324990460.295 / Start time DATE-OBS= '2011-04-20T11:07:39' TSTOP = 324990710.2406 / Stop time DATE-END= '2011-04-20T11:11:49' TELAPSE = 249.945599973202 / TSTOP - TSTART ONTIME = 249.945599973202 / Sum of GTIs LIVETIME= 249.945599973202 / Ontime multiplied by DEADC EXPOSURE= 249.945599973202 / Total exposure, with all known correction DEADC = 1. / dead time correction EXTNAME = 'uu324990460I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 324990460 / uvot EXPosure ID FILTER = 'U ' / FILTER used in exposure DETNAM = '1400 ' / WHEELPOS RA_PNT = 2.17506651806756 / [deg] Ra Pointing DEC_PNT = -37.8597446646334 / [deg] Dec Pointing PA_PNT = 31.38251 / [deg] Position angle (roll) WINDOWX0= 626 / Lower left hand X WINDOWY0= 1009 / Lower left hand Y WINDOWDX= 320 / X Window width WINDOWDY= 320 / Y Window width NFRAMES = 22640 / 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 = 626.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 1009.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -6.87416 / [s] UTC Correction time UTCCSEC = -7 / UTC Correction Seconds UTCCSUBS= 6292 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 324990715.29558 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 324990715 / ccsds PacKeT SEConds PKTSUBS = 14779 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= 'CFUQDFROCFROCFRO' / HDU checksum updated 2011-04-26T22:26:22 DATASUM = '178694 ' / data unit checksum updated 2011-04-26T19:30:58 PROCVER = '3.14.1 ' / Processing script version SOFTVER = 'Hea_28Sep2010_V6.10_Swift_Rel3.7(Bld26)_06Jul2010' / HEASOFT and SwifCALDBVER= 'b20090130_u20110131_x20100802_m20110303' / CALDB index versions used ATTFLAG = '111 ' / Orgin of attitude information 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 = '00451757000' / Observation ID TARG_ID = '451757 ' / 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 = '2011-04-26T19:30:58' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -6.87418000000000 / [s] UTCF at TSTART TSTART = 324991013.03326 / Start time DATE-OBS= '2011-04-20T11:16:52' TSTOP = 324991162.90126 / Stop time DATE-END= '2011-04-20T11:19:21' 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 = 'wh324991013I' / Extension name HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'IMAGE ' / Image data HDUCLAS2= 'TOTAL ' / Total data values DATAMODE= 'IMAGEEVENT' / Instrument operating mode EXPID = 324991013 / uvot EXPosure ID FILTER = 'WHITE ' / FILTER used in exposure DETNAM = '2000 ' / WHEELPOS RA_PNT = 2.17517636534772 / [deg] Ra Pointing DEC_PNT = -37.8597332511627 / [deg] Dec Pointing PA_PNT = 31.38297 / [deg] Position angle (roll) WINDOWX0= 625 / Lower left hand X WINDOWY0= 1008 / 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 = 625.5 / WCS reference value CDELT1 = 2 / WCS coordinate increment CRPIX1 = 1. / WCS Reference point CTYPE2 = 'RAWY ' / WCS axis type CUNIT2 = 'pixel ' / WCS axis unit CRVAL2 = 1008.5 / WCS reference value CDELT2 = 2 / WCS coordinate increment CRPIX2 = 1. / WCS Reference point UTCCTIME= -6.87418 / [s] UTC Correction time UTCCSEC = -7 / UTC Correction Seconds UTCCSUBS= 6291 / [2*10**(-5) s] UTC Correction SubSeconds PKTTIME = 324991199.0956 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 324991199 / ccsds PacKeT SEConds PKTSUBS = 4780 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 843 / Application Process Identifier BLANK = -2147483648 / Data null value CHECKSUM= '5AMJ76JJ5AJJ55JJ' / HDU checksum updated 2011-04-26T22:26:22 DATASUM = '633823 ' / data unit checksum updated 2011-04-26T19:30:58 PROCVER = '3.14.1 ' / Processing script version SOFTVER = 'Hea_28Sep2010_V6.10_Swift_Rel3.7(Bld26)_06Jul2010' / HEASOFT and SwifCALDBVER= 'b20090130_u20110131_x20100802_m20110303' / CALDB index versions used ATTFLAG = '111 ' / Orgin of attitude information END #'  !# !%$#&9a¢ìÎj(!  %  # "  #!  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