ABOUT LAMBDA

FITS Header

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 intensity

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

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