FITS Headers
wmap_band_forered_qumap_r4_5yr_W_v3.fits
Primary Header
SIMPLE = T /FITS format
BITPIX = 16 /Dummy primary header
NAXIS = 0 /No data is associated with this header
EXTEND = T /Extensions may (will!) be present
RESOLUTN= 4 /Resolution Index
PIXTYPE = 'HEALPIX ' /Pixel algorigthm
ORDERING= 'NESTED ' /Ordering scheme
NSIDE = 16 /Resolution Parameter
NPIX = 3072 /Number of pixels
FIRSTPIX= 0 /First pixel (0 based)
LASTPIX = 3071 /Last pixel (0 based)
COMMENT This file contains WMAP Polarization (Q and U) Reduced
COMMENT Foreground Res 4 skymaps for the frequency band indicated by
COMMENT the FREQ keyword.
COMMENT Five years of data went into the map.
DATE = '2008-01-31T12:00:00' //file creation date (YYYY-MM-DDThh:mm:ss UT)
TELESCOP= 'WMAP ' /Wilkinson Microwave Anisotropy Probe
REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/' /
STOKES = 'QU ' /
RELEASE = 'DR3 ' /WMAP Release
FREQ = 'W band ' /Frequency band
END
Stokes Maps
XTENSION= 'BINTABLE' /binary table extension
BITPIX = 8 /8-bit bytes
NAXIS = 2 /2-dimensional binary table
NAXIS1 = 8 /width of table in bytes
NAXIS2 = 3072 /number of rows in table
PCOUNT = 0 /size of special data area
GCOUNT = 1 /one data group (required keyword)
TFIELDS = 2 /number of fields in each row
COMMENT
COMMENT *** End of mandatory fields ***
COMMENT
COMMENT
COMMENT *** Column names ***
COMMENT
TTYPE1 = 'Q_POLARISATION ' /
COMMENT
COMMENT *** Column formats ***
COMMENT
TFORM1 = 'E ' /
TUNIT1 = 'mK,thermodynamic' /
TTYPE2 = 'U_POLARISATION ' /
TFORM2 = 'E ' /
TUNIT2 = 'mK,thermodynamic' /
EXTNAME = 'Stokes Maps' /
DATE = 0 /
PIXTYPE = 'HEALPIX ' /
ORDERING= 'NESTED ' /
NSIDE = 16 /
FIRSTPIX= 0 /
LASTPIX = 3071 /
END