FITS Headers
wmap_polarization_analysis_mask_r4_5yr_v3.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 = '2008-01-18T11:05:00' /file creation date (YYYY-MM-DDThh:mm:ss UT)
TELESCOP= 'WMAP' / Wilkinson Microwave Anisotropy Probe
RELEASE = 'DR3 ' /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= 4 /Resolution index
NSIDE = 16 /Resolution parameter
NPIX = 3072 /# of pixels
FIRSTPIX= 0 /First pixel (0 based)
LASTPIX = 3071 /Last pixel (0 based)
COMMENT This file contains the polarization source mask in map form
COMMENT used in processing five years of observations.
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 = 3072 /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
COMMENT
COMMENT *** End of mandatory fields ***
COMMENT
COMMENT
COMMENT *** End of mandatory fields ***
COMMENT
COMMENT
COMMENT *** End of mandatory fields ***
COMMENT
COMMENT
COMMENT *** Column names ***
COMMENT
COMMENT
COMMENT *** Column names ***
COMMENT
COMMENT
COMMENT *** Column names ***
COMMENT
TTYPE1 = 'TEMPERATURE ' /label for field 1
COMMENT
COMMENT *** Column formats ***
COMMENT
COMMENT
COMMENT *** Column formats ***
COMMENT
COMMENT
COMMENT *** Column formats ***
COMMENT
TFORM1 = 'E ' /data format of field: 4-byte REAL
TUNIT1 = 'mK, thermodynamic' /physical unit of field
TTYPE2 = 'N_OBS ' /label for field 2
TFORM2 = 'E ' /data format of field: 4-byte REAL
TUNIT2 = 'counts ' /physical unit of field
EXTNAME = 'Archive Map Table' /name of this binary table extension
DATE = '2008-01-18T11:05:00' /Table/MAP creation date
PIXTYPE = 'HEALPIX ' /Pixel algorithm
ORDERING= 'NESTED ' /Ordering scheme
NSIDE = 16 /Resolution parameter
FIRSTPIX= 0 /First pixel (0 based)
LASTPIX = 3071 /Last pixel (0 based)
COMMENT Temperature is set to zero for all pixels. This field is filled
COMMENT only to provide a consistent format.
COMMENT N_obs is the boolean mask, where 0=exclude and 1=include
END