Variations in the envelope of the shell star HD 50845

Details Variations in the envelope of the shell star HD 50845 Variations in the envelope of the shell star HD 50845

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99..971s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, Sept. 1987, p. 971-974.

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Binary Stars, H Alpha Line, Shell Stars, Stellar Cores, Stellar Envelopes, Variable Stars, Computational Astrophysics, Stellar Spectra

Scientific paper

Spectrographic observations of the shell star HD 50845 made in December 1984 have disclosed variations in the appearance of Hα and a decrease in the intensity of the strongest metastable and resonance lines of Fe I and Ca I, with respect to observations made with the same equipment ten months earlier. The underlying star seems to be a velocity variable F5 V object.

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