Dynamical masses of a selected sample of orbital binaries

被引：84
作者：
Malkov, O. Yu. [1 ,2 ,3 ]
Tamazian, V. S. [1 ]
Docobo, J. A. [1 ]
Chulkov, D. A. [2 ,3 ]
机构：
[1] Univ Santiago de Compostela, Observ Astron Ramon Maria Aller, Santiago De Compostela 15782, Spain
[2] Russian Acad Sci, Inst Astron, Moscow 119017, Russia
[3] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia
来源：
ASTRONOMY & ASTROPHYSICS | 2012年 / 546卷
关键词：
binaries:; visual; LUMINOSITY-RELATION; STARS;
D O I：
10.1051/0004-6361/201219774
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Orbital binary stars are essential objects for determining dynamical and physical properties of stars through a combined analysis of photometric and astrometric data. We compiled a set of orbital binaries with known trigonometric parallaxes and orbits of high quality, using data from current versions of the Catalogue of Orbits and Ephemerides of Visual Double Stars and the Sixth Catalog of Orbits of Visual Binary Stars as well as including updated information from WDS and SIMBAD. We constructed distributions of orbital binaries among dynamical mass, period, semi-major axis, and eccentricity of systems, which characterize the set. Some problems related to the parameterization of orbital binaries are also discussed in the paper.
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页数：5
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