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 2011-09-27T05:19:53                                  DATE    = '2011-09-27T05:19:53' / file creation date (YYYY-MM-DDThh:mm:ss UT)   INSTRUME= 'UVOT    '                                                            TSTART  =      338306013.48784                                                  TSTOP   =       338306900.3107                                                  DATE-OBS= '2011-09-21T13:51:19'                                                 DATE-END= '2011-09-21T14:08:19'                                                 OBJECT  = 'GRB110921a'                                                          PROCVER = '3.14.1  '           / Processing script version                      SOFTVER = 'Hea_28Sep2010_V6.10_Swift_Rel3.7(Bld26)_06Jul2010' / HEASOFT and SwifCALDBVER= 'b20090130_u20110131_x20100802_m20110801' / 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=    -7.38812000000000 / [s] UTCF at TSTART                             CHECKSUM= '7apC7Xo97aoA7Uo9'   / HDU checksum updated 2011-09-27T08:04:28       DATASUM = '         0'         / data unit checksum updated 2011-09-27T08:04:28 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  = '00503652000'        / Observation ID                                 TARG_ID = '503652  '           / 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    = '2011-09-27T03:54:36' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=    -7.38812000000000 / [s] UTCF at TSTART                             TSTART  =      338306013.48784 / Start time                                     DATE-OBS= '2011-09-21T13:53:32'                                                 TSTOP   =       338306163.3448 / Stop time                                      DATE-END= '2011-09-21T13:56:02'                                                 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 = 'wh338306013I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            338306013 / uvot EXPosure ID                               FILTER  = 'WHITE   '           / FILTER used in exposure                        DETNAM  = '2000    '           / WHEELPOS                                       RA_PNT  =     294.091082887306 / [deg] Ra Pointing                              DEC_PNT =     36.3667949174772 / [deg] Dec Pointing                             PA_PNT  =             286.5581 / [deg] Position angle (roll)                    WINDOWX0=                  906 / Lower left hand X                              WINDOWY0=                  883 / 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  =                906.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =                883.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=             -7.38812 / [s] UTC Correction time                        UTCCSEC =                   -8 / UTC Correction Seconds                         UTCCSUBS=                30594 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =      338306172.37626 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            338306172 / ccsds PacKeT SEConds                           PKTSUBS =                18813 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= 'WKCMXICKWICKWICK'   / HDU checksum updated 2011-09-27T08:04:28       DATASUM = '361538  '           / data unit checksum updated 2011-09-27T03:54:36 PROCVER = '3.14.1  '           / Processing script version                      SOFTVER = 'Hea_28Sep2010_V6.10_Swift_Rel3.7(Bld26)_06Jul2010' / HEASOFT and SwifCALDBVER= 'b20090130_u20110131_x20100802_m20110801' / 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  = '00503652000'        / Observation ID                                 TARG_ID = '503652  '           / 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    = '2011-09-27T03:54:36' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=    -7.38814000000000 / [s] UTCF at TSTART                             TSTART  =       338306171.8323 / Start time                                     DATE-OBS= '2011-09-21T13:56:10'                                                 TSTOP   =      338306421.86622 / Stop time                                      DATE-END= '2011-09-21T14:00:20'                                                 TELAPSE =     250.033919990063 / TSTOP - TSTART                                 ONTIME  =     250.033919990063 / Sum of GTIs                                    LIVETIME=     250.033919990063 / Ontime multiplied by DEADC                     EXPOSURE=     250.033919990063 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           EXTNAME = 'uu338306171I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            338306171 / uvot EXPosure ID                               FILTER  = 'U       '           / FILTER used in exposure                        DETNAM  = '1400    '           / WHEELPOS                                       RA_PNT  =     294.090222185865 / [deg] Ra Pointing                              DEC_PNT =      36.365210947188 / [deg] Dec Pointing                             PA_PNT  =             286.5568 / [deg] Position angle (roll)                    WINDOWX0=                  906 / Lower left hand X                              WINDOWY0=                  883 / Lower left hand Y                              WINDOWDX=                  320 / X Window width                                 WINDOWDY=                  320 / Y Window width                                 NFRAMES =                22648 / 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  =                906.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =                883.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=             -7.38814 / [s] UTC Correction time                        UTCCSEC =                   -8 / UTC Correction Seconds                         UTCCSUBS=                30593 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =      338306430.77566 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            338306430 / ccsds PacKeT SEConds                           PKTSUBS =                38783 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= '3SSVASST3SSTASST'   / HDU checksum updated 2011-09-27T08:04:28       DATASUM = '132361  '           / data unit checksum updated 2011-09-27T03:54:36 PROCVER = '3.14.1  '           / Processing script version                      SOFTVER = 'Hea_28Sep2010_V6.10_Swift_Rel3.7(Bld26)_06Jul2010' / HEASOFT and SwifCALDBVER= 'b20090130_u20110131_x20100802_m20110801' / 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  = '00503652000'        / Observation ID                                 TARG_ID = '503652  '           / 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    = '2011-09-27T03:54:36' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=    -7.38816000000000 / [s] UTCF at TSTART                             TSTART  =       338306750.4427 / Start time                                     DATE-OBS= '2011-09-21T14:05:49'                                                 TSTOP   =       338306900.3107 / Stop time                                      DATE-END= '2011-09-21T14:08:19'                                                 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 = 'wh338306750I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            338306750 / uvot EXPosure ID                               FILTER  = 'WHITE   '           / FILTER used in exposure                        DETNAM  = '2000    '           / WHEELPOS                                       RA_PNT  =     294.090183054742 / [deg] Ra Pointing                              DEC_PNT =     36.3651334988036 / [deg] Dec Pointing                             PA_PNT  =             286.5569 / [deg] Position angle (roll)                    WINDOWX0=                  906 / Lower left hand X                              WINDOWY0=                  883 / 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  =                906.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =                883.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=             -7.38816 / [s] UTC Correction time                        UTCCSEC =                   -8 / UTC Correction Seconds                         UTCCSUBS=                30592 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =      338306910.57568 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            338306910 / ccsds PacKeT SEConds                           PKTSUBS =                28784 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= 'YLHVcKFSZKFSaKFS'   / HDU checksum updated 2011-09-27T08:04:28       DATASUM = '354341  '           / data unit checksum updated 2011-09-27T03:54:36 PROCVER = '3.14.1  '           / Processing script version                      SOFTVER = 'Hea_28Sep2010_V6.10_Swift_Rel3.7(Bld26)_06Jul2010' / HEASOFT and SwifCALDBVER= 'b20090130_u20110131_x20100802_m20110801' / CALDB index versions used ATTFLAG = '111     '           / Orgin of attitude information                  END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             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