FITS Headers
wmap_p04_polar_r9_mask_3yr_v2.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 DATE = '2006-07-11T00:00:00' /file creation date (YYYY-MM-DDThh:mm:ss UT) TELESCOP= 'WMAP' / Wilkinson Microwave Anisotropy Probe RELEASE = 'DR2 ' /WMAP release identifier OBJECT = 'ALL-SKY ' / Portion of sky given SKYCOORD= 'Galactic' / Coordinate system REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/ PIXTYPE = 'HEALPIX ' / Pixel algorigthm ORDERING= 'NESTED ' / Ordering scheme RESOLUTN= 9 /Resolution index NSIDE = 512 /Resolution parameter NPIX = 3145728 /# of pixels FIRSTPIX= 0 /First pixel (0 based) LASTPIX = 3145727 /Last pixel (0 based) COMMENT This file contains the P04 polarization mask in map form. COMMENT TEMPERATURE is set to 0 for all pixels: this field COMMENT is filled only to provide a consistent map format. COMMENT N_obs is the boolean mask, where 0=exclude and 1=include. 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) END
