The ultraviolet excess of U Cephei

Details The ultraviolet excess of U Cephei The ultraviolet excess of U Cephei

Mar 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...212..446r&link_type=abstract

Astrophysical Journal, Part 1, vol. 212, Mar. 1, 1977, p. 446-450.

Astronomy and Astrophysics

Astrophysics

3

Eclipsing Binary Stars, Stellar Models, Stellar Spectrophotometry, Ultraviolet Spectra, Emission Spectra, Mass Transfer, Stellar Mass Ejection, Stellar Spectra

Scientific paper

Spectrophotometric observations performed in 1974 and 1975 show that the
excess light from U Cephei is due to hydrogen free-free and free-bound
emission. The phase dependence of the excess light is discussed in terms
of a mass-exchange model for U Cep. The 1974 mass-exchange rate is
estimated to be about 3 ten-millionths of a solar mass per year.

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