FITS Headers
wmap_da_forered_iqumap_r9_7yr_W2_v4.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= 9 /Resolution Index PIXTYPE = 'HEALPIX ' /Pixel algorigthm ORDERING= 'NESTED ' /Ordering scheme NSIDE = 512 /Resolution Parameter NPIX = 3145728 /Number of pixels FIRSTPIX= 0 /First pixel (0 based) LASTPIX = 3145727 /Last pixel (0 based) COMMENT This file contains WMAP Intensity and Polarization (I, Q, and U) COMMENT skymaps for the differencing assembly indicated by the DA keyword. COMMENT TELESCOP= 'WMAP ' /Wilkinson Microwave Anisotropy Probe COMMENT This file contains WMAP foreground reduced Intensity and Polarization (I COMMENT Q, and U) Res 9 skymaps for the differencing assembly indicated by COMMENT the DA keyword. COMMENT Seven years of data went into the map REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/' //lambda. STOKES = 'I,Q,U ' / DA = 'W2 ' /WMAP Differencing Assembly FREQ = 'W band ' /Frequency band RELEASE = 'DR4 ' /WMAP Release DATE = '2009-11-16T19:38:53' /file creation date (YYYY-MM-DDThh:mm:ss UT) END
Stokes Maps
XTENSION= 'BINTABLE' /binary table extension BITPIX = 8 /8-bit bytes NAXIS = 2 /2-dimensional binary table NAXIS1 = 16 /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 = 4 /number of fields in each row TTYPE1 = 'TEMPERATURE ' / TFORM1 = 'E ' / TUNIT1 = 'mK,thermodynamic' / TTYPE2 = 'Q_POLARISATION ' / TFORM2 = 'E ' / TUNIT2 = 'mK,thermodynamic' / TTYPE3 = 'U_POLARISATION ' / TFORM3 = 'E ' / TUNIT3 = 'mK,thermodynamic' / TTYPE4 = 'N_OBS ' / TFORM4 = 'E ' / TUNIT4 = 'counts ' / EXTNAME = 'Stokes Maps' / DATE = '2009-11-16T19:38:53' /file creation date (YYYY-MM-DDThh:mm:ss UT) PIXTYPE = 'HEALPIX ' / ORDERING= 'NESTED ' / NSIDE = 512 / FIRSTPIX= 0 / LASTPIX = 3145727 / END
