FITS Headers
alphasyn_quijote_mfi_cs_int_galplane_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
PIXTYPE = 'HEALPIX ' / HEALPIX pixelisation
NSIDE = 64 / Healpix resolution parameter
NPIX = 49152 / HEALPIX pixelisation
OBJECT = 'FULLSKY ' / Sky coverage, either FULLSKY or PARTIAL
FIRSTPIX= 0 / First pixel # (0 based)
LASTPIX = 49151 / Last pixel # (0 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
RELEASE = 'DR1 ' / QUIJOTE Release
TTYPE1 = 'alphasyn'
TFORM1 = 'E '
TTYPE2 = 'std_alphasyn'
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 Synchrotron spectral index map.
COMMENT 1 degree smoothed maps for the Galactic Plane.
COMMENT Obtained with Haslam1982, Berkhuijsen1972, Reich2001,
COMMENT HartRAO1998, QUIJOTE MFI, WMAP, Planck and COBE-DIRBE
COMMENT bands. Description of the methodology and modelling
COMMENT used for each component in Fernandez-Torreiro et al. (2023)
COMMENT See also Explanatory Supplement: http://research.iac.es/project/quijote/
COMMENT ------------------------------------------------------------------------
END