Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...199l.119h&link_type=abstract
Astrophysical Journal, vol. 199, July 15, 1975, pt. 2, p. L119-L121.
Astronomy and Astrophysics
Astronomy
31
Early Stars, Skylab Program, Spaceborne Astronomy, Spectral Line Width, Stellar Spectra, Ultraviolet Spectra, Astronomical Photography, Luminous Intensity, Stellar Luminosity, Stellar Temperature
Scientific paper
Objective-prism spectra at ultraviolet wavelengths extending to 1300 A were photographed during the three Skylab missions in a survey covering 9 percent of the sky. Several spectral features, notably resonance lines of C IV and Si IV, show striking variations with stellar temperature and luminosity. Marked P Cygni profiles in C IV and Si IV, indicative of significant outflow of mass, appear in the spectra of all stars with bolometric magnitude brighter than -8.4.
Benedict George F.
Bruhweiler Fred C.
Henize Karl G.
O'Callaghan Fred G.
Parsons Sidney B.
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