Two B-type binaries - HR 7922 and HR 8891

Astronomy and Astrophysics – Astronomy

Scientific paper

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B Stars, Binary Stars, Orbital Elements, Radial Velocity, Spectrograms, Stellar Spectra, Tables (Data)

Scientific paper

Orbital elements for two of the binaries included in the survey of B-types, HR 7922 and HR-8891, are derived using combined observations from several observatories. Both binaries appear to be unevolved systems, and the separations of the components are great enough in each case that no complication from interactions is expected and none is observed. It is also noted that the systems have not yet reached a stage of mass exchange.

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