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Observing Binaries

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arxiv 2504.00548 v2 pith:TRVLHUB4 submitted 2025-04-01 astro-ph.SR

Hugues Sana , Jasmine Vrancken This is my paper · ORCID
classification astro-ph.SR
keywords starsbinarybinariesfundamentalpropertiesallowingastrophysicsbecause
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Binary stars are dynamical systems formed by two stars that are physically bound by the gravitational force. Binary stars are privileged laboratories, allowing one to measure the fundamental properties of stars but also potentially changing the way stars live and die. Because of this, binary stars have continuously played a central role in astrophysics. In this chapter, we focus on the observational properties of binary stars. What are the fundamental quantities that describe binaries? How do we detect and classify them? Which parameters can we constrain for different type of objects?

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Cited by 1 Pith paper

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  1. An interferometric study of B star multiplicity

    astro-ph.SR 2025-05 conditional novelty 7.0 of 10

    Interferometric observations of 32 B stars show that 72 percent have companions at 0.5-35 au; with spectroscopic and Gaia companions added, 88 percent are multiple.

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