FITS Headers
quiet_qband_G-1_map_v2.fits
Primary Header
SIMPLE = T / file does conform to FITS standard
BITPIX = 32 / number of bits per data pixel
NAXIS = 0 / number of data axes
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
DATE = '2015-08-07T22:55:20' / file creation date (YYYY-MM-DDThh:mm:ss UT)
END
Extension Header 2
XTENSION= 'BINTABLE' / binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 24576 / 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 = 3 / number of fields in each row
COMMENT *************************************
COMMENT
COMMENT -----------------------------------------------
COMMENT Sky Map Pixelisation Specific Keywords
COMMENT -----------------------------------------------
PIXTYPE = 'HEALPIX ' / HEALPIX Pixelisation
ORDERING= 'NESTED ' / Pixel ordering scheme, either RING or NESTED
NSIDE = 512 / Resolution parameter for HEALPIX
FIRSTPIX= 0 / First pixel # (0 based)
LASTPIX = 3145727 / Last pixel # (0 based)
COORDSYS= 'G ' / Pixelisation coordinate system
COMMENT G = Galactic, E = ecliptic, C = celestial = equatorial
BAD_DATA= -1.637500000000E+30 / Sentinel value given to bad pixels
COMMENT
COMMENT
POLCCONV= 'COSMO ' / Coord. convention for polarisation (COSMO/IAU)
COMMENT -----------------------------------------------
COMMENT Data Description Specific Keywords
COMMENT -----------------------------------------------
COMMENT
OBJECT = 'FULLSKY '
INDXSCHM= 'IMPLICIT' / Indexing : IMPLICIT or EXPLICIT
GRAIN = 0 / Grain of pixel indexing
COMMENT GRAIN=0 : no indexing of pixel data (IMPLICIT)
COMMENT GRAIN=1 : 1 pixel index -> 1 pixel data (EXPLICIT)
COMMENT GRAIN>1 : 1 pixel index -> data of GRAIN consecutive pixels (EXPLICIT)
COMMENT
POLAR = '.true. ' / Polarisation included (True/False)
DERIV = 0 / Derivative included (0, 1 or 2)
COMMENT
TTYPE1 = 'TEMPERATURE' / Temperature map
TFORM1 = '1024D ' / data format of field: 8-byte REAL
TUNIT1 = 'muK, thermodynamic' / map unit
COMMENT
TTYPE2 = 'Q-POLARISATION' / Q Polarisation map
TFORM2 = '1024D ' / data format of field: 8-byte REAL
TUNIT2 = 'muK, thermodynamic' / map unit
COMMENT
TTYPE3 = 'U-POLARISATION' / U Polarisation map
TFORM3 = '1024D ' / data format of field: 8-byte REAL
TUNIT3 = 'muK, thermodynamic' / map unit
COMMENT
COMMENT *************************************
END