Photoelectric radial velocities. XV - The triple system HD 149240

Details Photoelectric radial velocities. XV - The triple system HD 149240 Photoelectric radial velocities. XV - The triple system HD 149240

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.293..151g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 293, p. 151

Astronomy and Astrophysics

Astronomy

4

Photoelectricity, Radial Velocity, Binary Stars, Orbital Elements, Main Sequence Stars

Scientific paper

HD 149240, an object discussed inconclusively and in part erroneously in two previous papers in this series, is shown to be a triple system with two components (probably both late-type dwarfs) visible in the spectrum. The primary star is the singleton in the outer orbit, the period of which has already been established as 1040 d; its companion is now shown to be a single-lined binary system with a 51-d period, and a model for the system is proposed.

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