FITS Headers
wmap_forered_imap_r10_yr1_W1_v3.fits
Primary Header
SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / 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
DATE = '2008-01-31T12:00:00' //file creation date (YYYY-MM-DDThh:mm:ss UT)
TELESCOP= 'WMAP ' /Wilkinson Microwave Anisotropy Probe
OBJECT = 'ALL-SKY ' / Portion of sky given
EQUINOX = 2000.0 / Equinox of coordinates
COMMENT This file contains a WMAP Intensity (I) Reduced Foreground Res 10
COMMENT skymap for the differencing assembly indicated by the DA keyword.
COMMENT The first year of data went into the map.
REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/' /
PIXTYPE = 'HEALPIX ' / Pixel algorithm
ORDERING= 'NESTED ' / Ordering scheme
NSIDE = 1024 /Resolution Parameter
NPIX = 12582912 / # of pixels
FIRSTPIX= 0 /First pixel (0 based)
LASTPIX = 12582911 /Last pixel (0 based)
STOKES = 'I ' /
DA = 'V2 ' /WMAP Differencing Assembly
FREQ = 'V band ' /Frequency band
RELEASE = 'DR3 ' /WMAP Release
RESOLUTN= 10 /Resolution Index
END
Archive Map Table
XTENSION= 'BINTABLE' /binary table extension
BITPIX = 8 /8-bit bytes
NAXIS = 2 /2-dimensional binary table
NAXIS1 = 8 /width of table in bytes
NAXIS2 = 12582912 /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 = 'TEMPERATURE ' /label for field 1
COMMENT
COMMENT *** Column formats ***
COMMENT
TFORM1 = 'E ' /data format of field: 4-byte REAL
TUNIT1 = 'mK,thermodynamic' /physical unit of field
TTYPE2 = 'N_OBS ' /label for field 2
TFORM2 = 'E ' /data format of field: 4-byte REAL
TUNIT2 = 'counts ' /physical unit of field
EXTNAME = 'Archive Map Table' /name of this binary table extension
DATE = ' ' /file creation date (YYYY-MM-DDThh:mm:ss UT)
PIXTYPE = 'HEALPIX ' /Pixel algorithm
ORDERING= 'NESTED ' /Ordering scheme
NSIDE = 1024 /Resolution parameter
FIRSTPIX= 0 /First pixel (0 based)
LASTPIX = 12582911 /Last pixel (0 based)
END