Spectroscopic orbits of subsystems in multiple stars. III
arXiv:1806.00027 · doi:10.3847/1538-3881/aacb78
Abstract
Spectroscopic orbits are computed for inner pairs in six nearby hierarchical multiple systems (HIP 35733, 95106/95110, 105441, 105585/105569, 105947, and 109951). Radial velocities and resolved measurements, when available, are used to derive combined sets of outer orbital elements for three systems. Each multiple system is discussed individually. Additionally, HIP 115087 is a simple 7.9 day single-lined binary. Although the minimum companion mass is sub-stellar (in the brown dwarf desert regime), it appears to be a 0.2 solar-mass star in a low-inclination orbit.
Accepted by AJ. 7 pages, 5 figures. Electronic tables are available from the author upon request
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- Physical and Dynamical Parameters of the Triple Stellar System: HIP 109951
- Comparison of Gaia and Hipparcos parallaxes of close visual binary stars and the impact on determinations of their masses
- Spectroscopic Orbits of Subsystems in Multiple Stars. X (Summary)
- Spectroscopic orbits of subsystems in multiple stars. VIII
- Spectroscopic orbits of subsystems in multiple stars. V
- Spectroscopic orbits of subsystems in multiple stars. IV. Double-lined pairs
- A census of main-sequence interactions in the Multiple Star Catalog
- The 24 Aqr triple system: A closer look at its unique high-eccentricity hierarchical architecture
- Observations of red giants with suspected massive companions