HD 43246 and HD 127208 - Two unusual F-G + B binary systems

Details HD 43246 and HD 127208 - Two unusual F-G + B binary systems HD 43246 and HD 127208 - Two unusual F-G + B binary systems

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102..312d&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, March 1990, p. 312-327.

Astronomy and Astrophysics

Astronomy

9

B Stars, Binary Stars, F Stars, G Stars, Optical Emission Spectroscopy, Ultraviolet Astronomy, Astronomical Photometry, Iue, Mass Transfer, Radial Velocity, Stellar Orbits

Scientific paper

New optical spectroscopic observations along with ultraviolet IUE observations have been obtained for the two interacting F or G III + B V binaries: HD 43246 and HD 127208. Photometric observations indicate random changes superimposed on regular ellipsoidal light variations, the latter probably the result of tidal distortion of the giant primaries. Mass transfer and loss is apparent in inverted mass ratios derived from orbital analysis, strong wind features present in the spectra, and the presence of circumsystem shells. Regular and irregular changes in the spectral features are discussed in this context.

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