FITS Headers
synchrotron_map_QU_60arcmin.fits
Primary Header
SIMPLE = T / Written by IDL: Wed Mar 27 17:22:11 2024 BITPIX = 16 / Number of bits per data pixel NAXIS = 0 / Number of data axes EXTEND = T / FITS data may contain extensions DATE = '2024-03-28' / Creation date (CCYY-MM-DD UTC) of FITS header COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode 2001A&A...376..359H END
Extension Header 2
XTENSION= 'BINTABLE' / Written by IDL: Wed Mar 27 17:22:11 2024 BITPIX = 8 / NAXIS = 2 / Binary table NAXIS1 = 8192 / Number of bytes per row NAXIS2 = 12288 / Number of rows PCOUNT = 0 / Random parameter count GCOUNT = 1 / Group count TFIELDS = 2 / Number of columns TFORM1 = '1024E ' / Real*4 (floating point) TFORM2 = '1024E ' / Real*4 (floating point) TTYPE1 = 'Q ' / TTYPE2 = 'U ' / PIXTYPE = 'HEALPIX ' / HEALPIX pixelisation ORDERING= 'RING ' / Pixel ordering scheme, either RING or NESTED NSIDE = 1024 / Healpix resolution parameter NPIX = 12582912 / Total number of pixels OBJECT = 'FULLSKY ' / Sky coverage, either FULLSKY or PARTIAL FIRSTPIX= 0 / First pixel # (0 based) LASTPIX = 12582911 / Last pixel # (zero based) INDXSCHM= 'IMPLICIT' / indexing : IMPLICIT or EXPLICIT GRAIN = 0 / GRAIN = 0: No index, COMMENT GRAIN =1: 1 pixel index for each pixel, COMMENT GRAIN >1: 1 pixel index for Grain consecutive pixels BAD_DATA= -1.63750E+30 / Sentinel value given to bad pixels COORDSYS= 'G ' / Pixelization coordinate system COMMENT G = Galactic, E = ecliptic, C = celestial = equatorial COMMENT G = Galactic, E = ecliptic, C = celestial = equatorial COMMENT = / Synchrotron Q and U polarization map at 30 GHz COMMENT = / Angular resolution: 1 deg. Gaussian beam up to l=950 COMMENT = / From ell=950 to ell=1000: extra COS-SQUARED tapering COMMENT = / See publication (Delabrouille 2024) for details BUNIT = 'uK_RJ ' / END
