LAMBDA News
Composite All-Sky H-alpha Map
FITS Header Information
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
Extension Header #1
XTENSION= 'BINTABLE' /Written by IDL: Sun Jul 27 12:46:42 2003 BITPIX = 8 / NAXIS = 2 /Binary table NAXIS1 = 4 /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 intensity' / 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) TUNIT1 = 'R ' / Map is in Rayleighs COMMENT COMMENT *** Column names *** COMMENT TTYPE1 = 'TEMPERATURE ' / COMMENT COMMENT *** Column formats *** COMMENT TFORM1 = 'E ' / END
More information concerning the format of this file is available.
