FITS Headers
quijote_mfi_skymap_17ghz_512_dr1_half1.fits
Primary Header
SIMPLE = T / Written by IDL: Thu Dec 15 10:12:01 2022
BITPIX = 16 / Number of bits per data pixel
NAXIS = 0 / Number of data axes
EXTEND = T / FITS data may contain extensions
DATE = '2022-12-15' / Creation date (CCYY-MM-DD) 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: Thu Dec 15 10:11:51 2022
BITPIX = 8 /
NAXIS = 2 /Binary table
NAXIS1 = 36864 /Number of bytes per row
NAXIS2 = 3072 /Number of rows
PCOUNT = 0 /Random parameter count
GCOUNT = 1 /Group count
TFIELDS = 9 /Number of columns
TFORM1 = '1024E ' /Real*4 (floating point)
TTYPE1 = 'I_STOKES' /
TUNIT1 = 'mK_CMB ' /physical unit of field
TFORM2 = '1024E ' /Real*4 (floating point)
TTYPE2 = 'Q_STOKES' /
TUNIT2 = 'mK_CMB ' /physical unit of field
TFORM3 = '1024E ' /Real*4 (floating point)
TTYPE3 = 'U_STOKES' /
TUNIT3 = 'mK_CMB ' /physical unit of field
TFORM4 = '1024E ' /Real*4 (floating point)
TTYPE4 = 'NHITS_I ' /
TUNIT4 = 'none ' /physical unit of field
TFORM5 = '1024E ' /Real*4 (floating point)
TTYPE5 = 'NHITS_QU' /
TUNIT5 = 'none ' /physical unit of field
TFORM6 = '1024E ' /Real*4 (floating point)
TTYPE6 = 'WEI_I ' /
TUNIT6 = '(mK_CMB)^(-2)' /physical unit of field
TFORM7 = '1024E ' /Real*4 (floating point)
TTYPE7 = 'WEI_Q ' /
TUNIT7 = '(mK_CMB)^(-2)' /physical unit of field
TFORM8 = '1024E ' /Real*4 (floating point)
TTYPE8 = 'WEI_U ' /
TUNIT8 = '(mK_CMB)^(-2)' /physical unit of field
TFORM9 = '1024E ' /Real*4 (floating point)
TTYPE9 = 'COV_QU ' /
TUNIT9 = '(mK_CMB)^2' /physical unit of field
PIXTYPE = 'HEALPIX ' / HEALPIX pixelisation
ORDERING= 'RING ' / Pixel ordering scheme, either RING or NESTED
NSIDE = 512 / Healpix resolution parameter
NPIX = 3145728 / Total number of pixels
OBJECT = 'FULLSKY ' / Sky coverage, either FULLSKY or PARTIAL
FIRSTPIX= 0 / First pixel # (0 based)
LASTPIX = 3145727 / 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 ---------------------------------------------------------------------
COMMENT MFI wide survey IQU map.
COMMENT Nulltest map HALF1
COMMENT Includes satband mask (6deg > dec > -12deg).
COMMENT Weights and covariance renormalised (Table 12, Rubino-Martin et al.)
COMMENT See Explanatory Supplement: http://research.iac.es/project/quijote/
COMMENT ---------------------------------------------------------------------
COMMENT Weighted combination of 217 and 417.
POLCONV = 'COSMO ' /Coord. convention for polarization (COSMO/IAU)
TELESCOP= 'QUIJOTE QT1' /QUIJOTE telescope
CHANNEL = 'MFI 217+417' /MFI channel ID
FREQ = 16.8000 /GHz
RELEASE = 'DR1 ' /QUIJOTE Release
HISTORY recalib11_withcov2_rfi_newflagstat_half1_raw_june2021_allatonce
DATASUM = '4120004691' / data unit checksum updated 2022-12-15T10:12:02
CHECKSUM= 'lkAEok9BlkABlk7B' / HDU checksum updated 2022-12-15T10:12:02
END