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Prospects for the Discovery of Black Hole Binaries without Mass Accretion with Gaia

Published online by Cambridge University Press:  23 June 2017

Norita Kawanaka ,
Masaki Yamaguchi ,
Tsvi Piran  and
Tomasz Bulik
Norita Kawanaka
Affiliation:
Department of Astronomy, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwake cho, Sakyo-ku, Kyoto 606-8502, Japan email: norita@kusastro.kyoto-u.ac.jp Department of Astronomy, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
Masaki Yamaguchi
Affiliation:
Institute of Astronomy, Graduate School of Science, University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan
Tsvi Piran
Affiliation:
Racah Institute for Physics, The Hebrew University, Jerusalem 91904, Israel
Tomasz Bulik
Affiliation:
Astronomical Observatory, Warsaw University, Ujazdowskie 4, 00-478 Warsaw, Poland
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Abstract

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We study the prospect for Gaia to detect black hole binary systems without the mass transfer from their companion stars. Gaia will be able to discover Galactic black holes without mass accretion by detecting the proper motion of their companion stars. We evaluate the number of such black hole binaries which have the orbital period short enough to be detected by Gaia during its operation, taking into account the binary evolution model.

Keywords

black hole physicsastrometrybinaries: generalstars: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S324: New Frontiers in Black Hole Astrophysics , September 2016 , pp. 41 - 42
Copyright
Copyright © International Astronomical Union 2017 

References

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