ABOUT LAMBDA

FITS Header

Primary Header

SIMPLE  =                    T / file does conform to FITS standard
BITPIX  =                    8 / 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
RESOLUTN=                   11 / Resolution index
SKYCOORD= 'Galactic'           / Coordinate system
PIXTYPE = 'HEALPIX '           / Pixel algorithm
ORDERING= 'NESTED  '           / Ordering scheme
NSIDE   =                 2048 / Resolution parameter
NPIX    =             50331648 / # of pixels
FIRSTPIX=                    0 / First pixel (0 based)
LASTPIX =             50331647 / Last pixel (0 based)
END

Extension Header 1

XTENSION= 'BINTABLE'           /Binary table written by MWRFITS v1.5b
BITPIX  =                    8 /Required value
NAXIS   =                    2 /Required value
NAXIS1  =           1409286144 /Number of bytes per row
NAXIS2  =                    1 /Number of rows
PCOUNT  =                    0 /Normally 0 (no varying arrays)
GCOUNT  =                    1 /Required value
TFIELDS =                    7 /Number of columns in table
COMMENT
COMMENT  *** End of mandatory fields ***
COMMENT
COMMENT
COMMENT  *** Column names ***
COMMENT
TTYPE1  = 'EBV     '           /E(B-V) on the scale of SFD 1998
TTYPE2  = 'EBV_ERR '           /E(B-V) 1-sigma uncertainty
TTYPE3  = 'DM_RELIABLE_MAX'    /maximum reliable distance modulus
TTYPE4  = 'CONVERGED'          /convergence flag for reddening curve fit
TTYPE5  = 'GR_DIAGNOSTIC'      /Gelman-Rubin diagnostic, < 1.2 is good
TTYPE6  = 'NSIDE   '           /original HEALPix Nside in the 3D dataset
TTYPE7  = 'HEALPIX_INDEX'      /original nested pixel index in the 3D dataset
COMMENT
COMMENT  *** Column formats ***
COMMENT
TFORM1  = '50331648E'          /
TFORM2  = '50331648E'          /
TFORM3  = '50331648E'          /
TFORM4  = '50331648E'          /
TFORM5  = '50331648E'          /
TFORM6  = '50331648E'          /
TFORM7  = '50331648E'          /
END

A service of the HEASARC and of the Astrophysics Science Division at NASA/GSFC
Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Alan P. Smale
LAMBDA Director: Dr. Eric R. Switzer
NASA Official: Dr. Eric R. Switzer
Web Curator: Mr. Michael R. Greason