FITS Headers
wmap_imap_r9_yr4_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 FIRSTPIX= 0 /First pixel (0 based) LASTPIX = 3145727 /Last pixel (0 based) COMMENT This file contains a WMAP Intensity (I) Res 9 skymap for the COMMENT differencing assembly indicated by the DA keyword. COMMENT The fourth year of data went into the map. DATE = '2009-06-22T19:38:11' /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 = 'Ka1 ' /WMAP Differencing Assembly FREQ = 'Ka band ' /Frequency band RELEASE = 'DR4 ' /WMAP Release 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 = 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 = '2009-06-22T19:38:11' /file creation date (YYYY-MM-DDThh:mm:ss UT) END
