The spectroscopic orbit of the double-lined binary 29 ARIETIS

Details The spectroscopic orbit of the double-lined binary 29 ARIETIS The spectroscopic orbit of the double-lined binary 29 ARIETIS

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pasp...98..468l&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 98, April 1986, p. 468-470.

Astronomy and Astrophysics

Astrophysics

2

Binary Stars, Orbital Elements, Stellar Motions, Stellar Orbits, Astronomical Spectroscopy, Radial Velocity, Stellar Models

Scientific paper

Twenty radial velocities obtained with the radial-velocity spectrometer of the 1.2-m Dominion Astrophysical Observatory telescope at dispersions of 2.4 and 6.5 A/mm show the star 29 Ari to be double lined. The data determined a period of 19.3787 + or - 0.0005 d, a systematic velocity of the secondary of 8.95 + or - 0.40 km/s, and a primary to secondary luminosity ratio of 4.0, corresponding to a 1.51 m difference in the wavelength region observed (approximately B). A model for the system similar to those by Griffin et al. (1985) for Hyades binaries is made.

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