Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...226l.141b&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 226, Dec. 15, 1978, p. L141-L143.
Astronomy and Astrophysics
Astrophysics
9
Cepheid Variables, Emission Spectra, H Alpha Line, Stellar Spectrophotometry, Absorption Spectra, Astronomical Catalogs, Light Curve, Oscillations, Stellar Luminosity
Scientific paper
Recent observations of the H-alpha absorption line in nine southern beat
Cepheids have yielded a surprising frequency and strength of H-alpha
emission. A possible phase dependence of this emission feature is
examined, and its cause and implications are discussed briefly
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