FITS Headers
lambda_halpha_mask_fwhm06_0512.fits
Primary Header
SIMPLE = T /Primary Header created by MWRFITS v1.2
BITPIX = 8 /8-bit bytes
NAXIS = 0 / Number of data axes
EXTEND = T /Extensions may be present
DATE = '2003-07-27T16:46:43' / Table creation date
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode 2001A&A...376..359H
BUNIT = 'R ' /
SAMPLED = F / Is image well sampled?
FWHM = 6 / FWHM of Gaussian beam [arcmin]
VERSION = '1.1 ' /
COMMENT --------------------------------------------------------
COMMENT WHAM: The Wisconsin H-Alpha Mapper
COMMENT funded by the National Science Foundation.
COMMENT - Reynolds, Tufte, Haffner, Jaehnig, & Percival. 1998,
COMMENT Publ. Astron. Soc. Aust., 15, 14
COMMENT - Tufte, 1998. PhD Thesis, University of Wisconsin
COMMENT - Haffner, 1999. PhD Thesis, University of Wisconsin
COMMENT
COMMENT http://www.astro.wisc.edu/wham/
COMMENT --------------------------------------------------------
COMMENT VTSS: The Virginia Tech Spectral-Line Survey,
COMMENT supported by the National Science Foundation
COMMENT and the Horton Foundation.
COMMENT - Brian Dennison, John Simonetti, Gregory Topasna.
COMMENT
COMMENT http://www.phys.vt.edu/~halpha/
COMMENT --------------------------------------------------------
COMMENT SHASSA: The Southern H-Alpha Sky Survey Atlas
COMMENT - John Gaustad, Peter McCullough, Wayne Rosing,
COMMENT & Dave Van Buren
COMMENT SHASSA is supported by National Science Foundation
COMMENT grants AST-9529057, AST-9900622, and AST-9874670,
COMMENT by NASA Contract NAS7-1260, and by Las Cumbres Obs.,
COMMENT Dudley Observatory, the Fund for Astrophysical Research,
COMMENT Research Corporation, the University of Illinois,
COMMENT and Swarthmore College.
COMMENT
COMMENT http://amundsen.swarthmore.edu/SHASSA/
COMMENT --------------------------------------------------------
COMMENT
COMMENT Bit Name Comments
COMMENT --- --------- -------------------------------------------
COMMENT 0 'WHAM' WHAM data used (Wisconsin)
COMMENT 1 'VTSS' Virginia Tech Spectral line Survey
COMMENT 2 'SHASSA' Southern Halpha Sky Survey Atlas
COMMENT 3 'STAR' Star removed
COMMENT 4 'SATUR' Saturated pixel nearby in continuum exposure
COMMENT 5 'BRT_OBJ' Bright star/galaxy - measurements unreliable
COMMENT 6 'BIG_OBJ' Near LMC, SMC, or M31; no sources removed
COMMENT 7 'HI_VEL' High Velocity in WHAM data
COMMENT
COMMENT Composite map generated by Douglas Finkbeiner, Princeton
HISTORY Reprojected to HEALPIX on Sun Jul 27 12:46:42 2003
PIXTYPE = 'HEALPIX ' / Pixel algorithm
ORDERING= 'NESTED ' / Ordering scheme
NSIDE = 512 / Resolution parameter
NPIX = 3145728 / # of pixels
FIRSTPIX= 0 / First pixel (0 based)
LASTPIX = 3145727 / Last pixel (0 based)
END
H-alpha bitmask
XTENSION= 'BINTABLE' /Written by IDL: Sun Jul 27 12:46:42 2003
BITPIX = 8 /
NAXIS = 2 /Binary table
NAXIS1 = 1 /Number of bytes per row
NAXIS2 = 3145728 /Number of rows
PCOUNT = 0 /Random parameter count
GCOUNT = 1 /Group count
TFIELDS = 1 /Number of columns
COMMENT
COMMENT *** End of mandatory fields ***
COMMENT
EXTNAME = 'H-alpha bitmask' /
DATE = '2003-07-27T16:46:43' / Table creation date
PIXTYPE = 'HEALPIX ' / Pixel algorithm
ORDERING= 'NESTED ' / Ordering scheme
NSIDE = 512 / Resolution parameter
NPIX = 3145728 / # of pixels
FIRSTPIX= 0 / First pixel (0 based)
LASTPIX = 3145727 / Last pixel (0 based)
COMMENT
COMMENT *** Column names ***
COMMENT
TTYPE1 = 'MASK ' /
COMMENT
COMMENT *** Column formats ***
COMMENT
TFORM1 = 'B ' /
END