FITS Headers
wmap_sim_iqusmap_r9_yr1_Q1_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) TELESCOP= 'WMAP ' /Wilkinson Microwave Anisotropy Probe COMMENT This file contains WMAP Intensity and Polarization (I, Q, U, and S) COMMENT Res 9 skymaps for the differencing assembly indicated by COMMENT the DA keyword. COMMENT Simulated data was used to construct these maps! COMMENT The first year of data went into the map. REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/' / STOKES = 'IQUS ' / DA = 'Q1 ' /WMAP Differencing Assembly FREQ = 'Q band ' /Frequency band RELEASE = 'DR4 ' /WMAP Release DATE = '2010-04-13T14:09:50' /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 = 20 /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 = 5 /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 = 'SPUR_SIGNAL ' / TFORM4 = 'E ' / TUNIT4 = 'mK,thermodynamic' / TTYPE5 = 'N_OBS ' / TFORM5 = 'E ' / TUNIT5 = '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 = 28 /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 = 7 /number of fields in each row TTYPE1 = 'N_OBS ' / TFORM1 = 'E ' / TTYPE2 = 'M11 ' / TFORM2 = 'E ' / TUNIT2 = 'counts ' / TTYPE3 = 'M12 ' / TFORM3 = 'E ' / TUNIT3 = 'counts ' / TTYPE4 = 'M13 ' / TFORM4 = 'E ' / TUNIT4 = 'counts ' / TTYPE5 = 'M23 ' / TFORM5 = 'E ' / TUNIT5 = 'counts ' / TTYPE6 = 'M22 ' / TFORM6 = 'E ' / TUNIT6 = 'counts ' / TTYPE7 = 'M33 ' / TFORM7 = 'E ' / TUNIT7 = '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
