FITS Headers
Halpha_error.fits
Primary Header
SIMPLE = T / Written by IDL: Sat Jan 25 22:42:30 2003
BITPIX = -32 / Number of bits per data pixel
NAXIS = 2 / Number of data axes
NAXIS1 = 8640 /
NAXIS2 = 4320 /
DATE = '2003-01-26' / Creation UTC (CCCC-MM-DD) date of FITS header
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode 2001A&A...376..359H
CTYPE1 = 'GLON-CAR' /
CRPIX1 = 4320.50 /
CRVAL1 = 0.00000 /
CTYPE2 = 'GLAT-CAR' /
CRPIX2 = 2160.50 /
CRVAL2 = 0.00000 /
CD1_1 = -0.0416666666667 /
CD1_2 = 0.00000000000 /
CD2_1 = 0.00000000000 /
CD2_2 = 0.0416666666667 /
LONPOLE = 180 /
PROJP1 = 0 /
PROJP2 = 0 /
EQUINOX = 2000.00 /
BUNIT = 'R ' /
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
COMMENT Error map is uncertainty for each pixel in R
END