Radial-velocity orbits for three southern spectroscopic binaries

Details Radial-velocity orbits for three southern spectroscopic binaries Radial-velocity orbits for three southern spectroscopic binaries

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pasp...97..637s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 97, July 1985, p. 637-642.

Astronomy and Astrophysics

Astronomy

1

Binary Stars, Main Sequence Stars, Orbital Elements, Radial Velocity, Stellar Spectrophotometry, Astronomical Catalogs, Southern Hemisphere

Scientific paper

While making radial-velocity observations of stars in the declination range 0° ≥ δ ≥ -30° which had no previously reported velocity, the authors discovered a number of variable velocity objects. Reported are the orbital analyses of the first three stars from this group: HR 1120, HR 7038, and HR 7617. HR 7038 has an F5 V primary and is found to have a highly eccentric orbit. HR 1120 and HR 7617 are both late-type giant stars with orbital periods less than 100 days. In all three systems, the authors suspect that the secondary is a normal main-sequence star.

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