FITS Headers
betad_quijote_mfi_cs_pol_64_dr1.fits
Primary Header
SIMPLE = T / conforms to FITS standard
BITPIX = 8 / array data type
NAXIS = 0 / number of array dimensions
EXTEND = T
END
Extension Header 2
XTENSION= 'BINTABLE' / binary table extension
BITPIX = 8 / array data type
NAXIS = 2 / number of array dimensions
NAXIS1 = 8 / length of dimension 1
NAXIS2 = 49152 / length of dimension 2
PCOUNT = 0 / number of group parameters
GCOUNT = 1 / number of groups
TFIELDS = 2 / number of table fields
ORDERING= 'RING ' / Pixel ordering scheme, either RING or NESTED
NSIDE = 64 / Healpix resolution parameter
NPIX = 49152 / Total number of pixels
OBJECT = 'FULLSKY ' / Sky coverage, either FULLSKY or PARTIAL
FIRSTPIX= 0 / First pixel # (0 based)
LASTPIX = 49151 / Last pixel # (zero based)
INDXSCHM= 'IMPLICIT' / indexing : IMPLICIT or EXPLICIT
GRAIN = 0 / GRAIN = 0: No index,
BAD_DATA= -1.6375E+30 / Sentinel value given to bad pixels
COORDSYS= 'G ' / Pixelization coordinate system
POLCONV = 'COSMO ' / Coord. convention for polarization (COSMO/IAU)
RELEASE = 'DR1 ' / QUIJOTE Release
TTYPE1 = 'beta_d '
TFORM1 = 'E '
TTYPE2 = 'std beta_d'
TFORM2 = 'E '
COMMENT GRAIN =1: 1 pixel index for each pixel,
COMMENT GRAIN >1: 1 pixel index for Grain consecutive pixels
COMMENT G = Galactic, E = ecliptic, C = celestial = equatorial
COMMENT ------------------------------------------------------------------------
COMMENT Thermal dust's spectral index map at 2deg
COMMENT obtained with QUIJOTE MFI, K and Ka WMAP bands, and NPIPE.
COMMENT Synchrotron emission modeled as a power law.
COMMENT Description of the methodology in de la Hoz et al. (2022)
COMMENT See also Explanatory Supplement: http://research.iac.es/project/quijote/
COMMENT ------------------------------------------------------------------------
END