FITS Headers
wmap_forered_iqumap_r9_yr2_Ka1_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 Res 9 Foreground Reduced skymaps for the differencing assembly COMMENT indicated by the DA keyword. COMMENT There is no Ka1 foreground cleaned kkahadust intensity map. COMMENT Therefore this file contains an empty map in the TEMPERATURE COMMENT column of the Stokes Maps table COMMENT The second year of data went into the map. DATE = '2009-12-09T18:25:38' /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 = 'IQU ' / DA = 'Ka1 ' /WMAP Differencing Assembly FREQ = 'Ka band ' /Frequency band RELEASE = 'DR4 ' /WMAP Release 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 COMMENT COMMENT *** End of mandatory fields *** COMMENT COMMENT COMMENT *** End of mandatory fields *** COMMENT COMMENT COMMENT *** Column names *** COMMENT COMMENT COMMENT *** Column formats *** COMMENT COMMENT COMMENT *** Column names *** COMMENT TTYPE1 = 'TEMPERATURE ' / COMMENT COMMENT *** Column formats *** COMMENT 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 = 0 / PIXTYPE = 'HEALPIX ' / ORDERING= 'NESTED ' / NSIDE = 512 / FIRSTPIX= 0 / LASTPIX = 3145727 / END
Weight Arrays
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 COMMENT COMMENT *** End of mandatory fields *** COMMENT COMMENT COMMENT *** End of mandatory fields *** COMMENT COMMENT COMMENT *** Column names *** COMMENT COMMENT COMMENT *** Column formats *** COMMENT COMMENT COMMENT *** Column names *** COMMENT TTYPE1 = 'N_OBS ' / COMMENT COMMENT *** Column formats *** COMMENT TFORM1 = 'E ' / TTYPE2 = 'QQ ' / TFORM2 = 'E ' / TUNIT2 = 'counts ' / TTYPE3 = 'QU ' / TFORM3 = 'E ' / TUNIT3 = 'counts ' / TTYPE4 = 'UU ' / TFORM4 = 'E ' / TUNIT4 = 'counts ' / EXTNAME = 'Weight Arrays' / DATE = 0 / PIXTYPE = 'HEALPIX ' / ORDERING= 'NESTED ' / NSIDE = 512 / FIRSTPIX= 0 / LASTPIX = 3145727 / COMMENT Weight arrays must be divided by a scaling factor sigma_0^2 COMMENT to provide a weight array in physical units (mK^-2). See WMAP COMMENT Explanatory Supplement. END
