High Velocity Spectroscopic Binary Orbits from Photoelectric Radial Velocities: BD +82 565A

Details High Velocity Spectroscopic Binary Orbits from Photoelectric Radial Velocities: BD +82 565A High Velocity Spectroscopic Binary Orbits from Photoelectric Radial Velocities: BD +82 565A

2006-01-10

arxiv.org/abs/astro-ph/0601215v1

Baltic Astron. 14 (2005) 527-533

Astronomy and Astrophysics

Astrophysics

7 pages, 3 figures, submitted to Baltic Astronomy

Scientific paper

The spectroscopic orbit of a circumpolar high-proper-motion visual binary BD +82 565 A component is determined from 57 CORAVEL radial velocity measurements. A short period P = 12.69 d and a moderate eccentricity e = 0.30 are obtained. The visual system AB has a projected spatial separation ~830 AU. The system's barycenter velocity V_0 = -86.7 km/s, the transverse velocity V_t = 118.7 km/s and the Galactic spatial velocity components U = -62.6 km/s, V = -84.1 km/s and W = -84.2 km/s give evidence that it belongs to the thick disk of the Galaxy.

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