长周期食双星的参数化

IF 0.5 4区物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS

Open Astronomy Pub Date : 2022-01-01 DOI:10.1515/astro-2022-0013

P. Pakhomova, L. Berdnikov, A. Kniazev, I. Katkov, O. Malkov

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引用次数: 1

摘要

摘要独立测定恒星质量的重要来源之一是主序星上有分量的食双星，并且两个分量都有可观测的谱线。这些恒星的参数被用来构建高质量和中等质量恒星的质量-光度关系。其中，长周期食双星的类型尤为突出，其参数目前尚未完全确定，这与需要长期观测造成的困难有关。在这篇文章中，我们将回顾目前可用的此类天体的观测数据，并讨论它们用于确定恒星质量的前景。

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Parameterization of long-period eclipsing binaries

Abstract One of the important sources for independent determination of stellar masses is eclipsing binaries with components on the main sequence, and with observable spectral lines of both components. The parameters of such stars are used to construct the mass–luminosity relation for stars of high and intermediate masses. Among them, the type of long-period eclipsing binaries stands out, the parameters of which are currently not fully determined, which is associated with the difficulties caused by the need for long-term observations. In this article, we will review the currently available observational data for such objects and discuss the prospects for their use to determine stellar masses.

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来源期刊

Open Astronomy Physics and Astronomy-Astronomy and Astrophysics

CiteScore

1.30

自引率

14.30%

发文量

审稿时长

16 weeks

期刊介绍： The journal disseminates research in both observational and theoretical astronomy, astrophysics, solar physics, cosmology, galactic and extragalactic astronomy, high energy particles physics, planetary science, space science and astronomy-related astrobiology, presenting as well the surveys dedicated to astronomical history and education.