--- header unit 0: primary ---
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 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
TELESCOP = 'SWIFT' / Telescope (mission) name
INSTRUME = 'UVOTA' / Instrument name
FILTER = 'V' / FILTER used in exposure
OBS_ID = '00164279000' / Observation ID
TARG_ID = '164279' / 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 = 153926707.08152 / Start time
DATE-OBS = '2005-11-17T13:25:07.1' / Start Date
TSTOP = 153926906.99384 / Stop time
DATE-END = '2005-11-17T13:28:27.0' / Stop Date
CLOCKAPP = F / If clock correction are applied (F/T)
ORIGIN = 'GSFC' / Source of FITS file
CREATOR = 'TDRSS2FITS V3.6' / Program that created this FITS file
TLM2FITS = 'V3.6' / Telemetry converter version number
DATE = '2005-11-17T16:46:15' / file creation date (YYYY-MM-DDThh:mm:ss UT)
UTCFINIT = 0.15508 / UTCF at TSTART
CHECKSUM = 'GhmRHZkQGfkQGZkQ' / HDU checksum updated 2005-11-17T16:46:15
DATASUM = '         0' / data unit checksum updated 2005-11-17T16:46:15
--- header unit 1: image ---
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 = '00164279000' / Observation ID
TARG_ID = '164279' / Target ID
SEG_NUM = '0' / Segment number
CREATOR = 'TDRSS2FITS V3.6' / Program that created this FITS file
ORIGIN = 'GSFC' / Source of FITS file
TLM2FITS = 'V3.6' / 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 = '2005-11-17T16:46:15' / file creation date (YYYY-MM-DDThh:mm:ss UT)
UTCFINIT = 0.15508 / UTCF at TSTART
TSTART = 153926707.08152 / Start time
DATE-OBS = '2005-11-17T13:25:07.1' / Start Date
TSTOP = 153926906.99384 / Stop time
DATE-END = '2005-11-17T13:28:27.0' / Stop Date
TELAPSE = 199.912319988012 / TSTOP - TSTART
ONTIME = 199.912319988012 / Sum of GTIs
LIVETIME = 199.912319988012 / Ontime multiplied by DEADC
EXPOSURE = 199.912319988012 / Total exposure, with all known correction
DEADC = 1. / dead time correction
EXTNAME = 'vv153926707I' / Extension name
HDUCLASS = 'OGIP' / Format conforms to OGIP standards
HDUCLAS1 = 'IMAGE' / Image data
HDUCLAS2 = 'TOTAL' / Total data values
DATAMODE = 'IMAGEEVENT' / Instrument operating mode
EXPID = 153926707 / uvot EXPosure ID
FILTER = 'V' / FILTER used in exposure
RA_PNT = 85.2511461583047 / [deg] Ra Pointing
DEC_PNT = -19.2725651088517 / [deg] Dec Pointing
PA_PNT = 138.569 / [deg] Position angle (roll)
WINDOWX0 = 795 / Lower left hand X
WINDOWY0 = 874 / Lower left hand Y
WINDOWDX = 160 / X Window width
WINDOWDY = 160 / Y Window width
NFRAMES = 18108 / 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 image
CMPOTHRS = 8191 / Overflow of lossy compression algorithm
CMPUTHRS = -8192 / Underflow of lossy compression algorithm
CTYPE1 = 'RAWX' / WCS axis type
CUNIT1 = 'pixel' / WCS axis unit
CRVAL1 = 795.5 / WCS reference value
CDELT1 = 2 / WCS coordinate increment
CRPIX1 = 1. / WCS Reference point
CTYPE2 = 'RAWY' / WCS axis type
CUNIT2 = 'pixel' / WCS axis unit
CRVAL2 = 874.5 / WCS reference value
CDELT2 = 2 / WCS coordinate increment
CRPIX2 = 1. / WCS Reference point
UTCCTIME = 0.15508 / [s] UTC Correction time
UTCCSEC = 0 / UTC Correction Seconds
UTCCSUBS = 7754 / [2*10**(-5) s] UTC Correction SubSeconds
PKTTIME = 153926914.89546 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5
PKTSEC = 153926914 / ccsds PacKeT SEConds
PKTSUBS = 44773 / [2*10**(-5) s] ccsds PacKeT SUBSeconds
APID = 843 / Application Process Identifier
BLANK = -2147483648 / Data null value
CHECKSUM = 'NnG4Nl92NlG2Nl92' / HDU checksum updated 2005-11-17T16:46:15
DATASUM = '89173' / data unit checksum updated 2005-11-17T16:46:15