A preliminary orbit for HR 2577 - A K + Be binary system

Details A preliminary orbit for HR 2577 - A K + Be binary system A preliminary orbit for HR 2577 - A K + Be binary system

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94..169h&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, Feb. 1982, p. 169-171.

Astronomy and Astrophysics

Astronomy

3

B Stars, Binary Stars, K Stars, Orbital Elements, Stellar Motions, Balmer Series, Radial Velocity, Secular Variations, Stellar Mass

Scientific paper

A spectroscopic period of 58 years has been found for the K2 II + B3 IVe composite system HR 2577 (HD 50820). Preliminary orbital elements were calculated for this double-lined pair, giving equal masses for the two stars. The B star is seen to undergo secular changes in the appearance of its Balmer line emission which seem to be unrelated to the binary motion. It is predicted that the system may be capable of being resolved by the technique of speckle interferometry.

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