On the Nature of 89-HERCULIS

Details On the Nature of 89-HERCULIS On the Nature of 89-HERCULIS

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985cto..conf...81a&link_type=abstract

Cepheids: Theory and Observations, Proceedings of IAU Colloquium No. 82, held 29 May - 1 June, 1984 in Toronto, Canada. Edited

Computer Science

Scientific paper

The radial velocities of 89 Herculis between 1977 and 1981 show a clear periodicity of about 285 days. This periodic variation is interpreted as the orbital variation of 89 Her around an unseen companion. From the orbital elements no support is found for a low mass (M ≡ 2 M_sun;) for 89 Her, but rather a high mass (13 < M/M_sun; < 24) is preferred.

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