Rediscussion of eclipsing binaries. XIII - DI Herculis, a B-type system with an eccentric orbit

Details Rediscussion of eclipsing binaries. XIII - DI Herculis, a B-type system with an eccentric orbit Rediscussion of eclipsing binaries. XIII - DI Herculis, a B-type system with an eccentric orbit

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...254..203p&link_type=abstract

Astrophysical Journal, Part 1, vol. 254, Mar. 1, 1982, p. 203-213. NSF-supported research.

Astronomy and Astrophysics

Astrophysics

34

Early Stars, Eclipsing Binary Stars, Eccentric Orbits, Open Clusters, Spectrograms, Stellar Spectrophotometry

Scientific paper

The properties of the components of the detached middle B-type binary, DI Her, are derived from a new series of Lick spectrograms and the Martynov-Khalliulin photometry. The components lie along the lower envelope of the distributions of stars with well determined masses and radii in the mass-radius and color-absolute magnitude planes. They are also close to the empirical zero-age main sequence based on open clusters.

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