FITS Header

Primary Header

SIMPLE  =                    T /FITS format
BITPIX  =                   32 /Dummy primary header
NAXIS   =                    0 /No data is associated with this header
EXTEND  =                    T /Extensions may (will!) be present
RESOLUTN=                    9 /Resolution Index
PIXTYPE = 'HEALPIX '           /Pixel algorigthm
ORDERING= 'NESTED  '           /Ordering scheme
NSIDE   =                  512 /Resolution Parameter
FIRSTPIX=                    0 /First pixel (0 based)
LASTPIX =              3145727 /Last pixel (0 based)
COMMENT This file contains WMAP nine-year coadded deconvolved Intensity (I)
COMMENT Res 9 skymap for the differencing assembly indicated by the
COMMENT DA keyword.
DATE    = '2012-08-29T20:27:52' /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  = 'I       '           /
DA      = 'V2      '           /WMAP Differencing Assembly
FREQ    = 'V band  '           /Frequency band
RELEASE = 'DR5     '           /WMAP Release
SIGMA0_I=        2.94921000000 /
COMMENT Pixel noise in mK may be evaluated from the Nobs field using
COMMENT the expression:
COMMENT sigma = sigma0/sqrt(Nobs)
COMMENT sigma0 applies to the entire map and is a scalar value listed
COMMENT in the header.

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  =              3145728 /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
TTYPE1  = 'TEMPERATURE'        /label for field 1
TFORM1  = 'E       '           /data format of field: 4-byte REAL
TUNIT1  = 'mK      '           /physical unit of field 1
TTYPE2  = 'N_OBS   '           /label for field 2
TFORM2  = 'E       '           /data format of field: 4-byte REAL
TUNIT2  = 'counts  '           /physical unit of field 2
EXTNAME = 'Archive Map Table'  /name of this binary table extension
PIXTYPE = 'HEALPIX '           /Pixel algorigthm
ORDERING= 'NESTED  '           /Ordering scheme
NSIDE   =                  512 /Resolution parameter
FIRSTPIX=                    0 /First pixel (0 based)
LASTPIX =              3145727 /Last pixel (0 based)
DATE    = '2012-08-29T20:27:52' /file creation date (YYYY-MM-DDThh:mm:ss UT)

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