FITS Headers
toh_wmap_cleaned_yr1_v1.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 = '2003-02-27' / FITS file creation date ccyy-mm-dd
END
SIMULATION
XTENSION= 'BINTABLE' / binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 4096 / 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 = 1 / number of fields in each row
COMMENT -----------------------------------------------
COMMENT Sky Map Pixelisation Specific Keywords
COMMENT -----------------------------------------------
PIXTYPE = 'HEALPIX ' / HEALPIX Pixelisation
ORDERING= 'RING ' / 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)
COMMENT
COMMENT -----------------------------------------------
COMMENT Planck Simulation Specific Keywords
COMMENT -----------------------------------------------
EXTNAME = 'SIMULATION'
CREATOR = 'SYNFAST ' / Software creating the FITS file
VERSION = '1.2.0 ' / Version of the simulation software
MAX-LPOL= 1024 / Maximum multipole l used in map synthesis
RANDSEED= -1 / Random generator seed
BEAM_LEG= 'File ' / containing Legendre transform of symmetric beam
COMMENT
COMMENT -----------------------------------------------
COMMENT Data Description Specific Keywords
COMMENT -----------------------------------------------
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 = F / Polarisation included (True/False)
COMMENT
TTYPE1 = 'TEMPERATURE' / Temperature map
TFORM1 = '1024E ' / data format of field: 4-byte REAL
TUNIT1 = 'unknown ' / map unit
COMMENT
COMMENT *************************************
END