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Gaia BH1: A Key for Understanding the Demography of Low-q Binaries in the Milky Way Galaxy
Version 1
: Received: 7 August 2023 / Approved: 7 August 2023 / Online: 8 August 2023 (07:30:00 CEST)
A peer-reviewed article of this Preprint also exists.
Malkov, O. Gaia BH1: A Key for Understanding the Demography of Low-q Binaries in the Milky Way Galaxy. Galaxies 2023, 11, 98. Malkov, O. Gaia BH1: A Key for Understanding the Demography of Low-q Binaries in the Milky Way Galaxy. Galaxies 2023, 11, 98.
Abstract
The recently discovered Gaia BH1 binary system,
a Sun-like star and a dark object (presumably a black hole),
may significantly change our understanding of the population of low-q binaries.
The paper presents the components mass ratio distributions of binary systems of different observational classes.
They all demonstrate a significant shortage of low-q systems.
It is shown that this shortage can be filled with the help of search and study of objects like Gaia BH1.
Keywords
binary stars; orbital; eclipsing; spectroscopic; mass ratio distribution; Gaia
Subject
Physical Sciences, Astronomy and Astrophysics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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