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Detecting Black Hole Binaries by Gaia

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dc.abstract.enWe study the prospects of the Gaia satellite to identify black hole (BH) binary systems by detecting the orbital motion of the companion stars. Taking into account the initial mass function, mass transfer, common envelope phase, interstellar absorption, and identifiability of the systems, we estimate the number of BH binaries that can be detected by Gaia and their distributions with respect to the BH mass. Considering several models with different parameters, we find that ∼200-1000 BH binaries could be detected by Gaia during its ∼5 years operation. The shape of the BH mass distribution function is affected strongly by the zero-age main sequence (ZAMS) stellar mass-BH mass relation. We show that once this distribution is established observationally, we will be able to constrain the currently unknown ZAMS mass-BH mass relation.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorYamaguchi, Masaki S.
dc.contributor.authorKawanaka, Norita
dc.contributor.authorBulik, Tomasz
dc.contributor.authorPiran, Tsvi
dc.date.accessioned2024-01-24T21:36:33Z
dc.date.available2024-01-24T21:36:33Z
dc.date.copyright2017-10-26
dc.date.issued2018
dc.description.accesstimeBEFORE_PUBLICATION
dc.description.financeNie dotyczy
dc.description.number1
dc.description.versionORIGINAL_AUTHOR
dc.description.volume861
dc.identifier.doi10.3847/1538-4357/AAC5EC
dc.identifier.issn0004-637X
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/104629
dc.identifier.weblinkhttp://adsabs.harvard.edu/abs/2018ApJ...861...21Y
dc.languageeng
dc.pbn.affiliationastronomy
dc.relation.ispartofAstrophysical Journal
dc.relation.pages21
dc.rightsOther
dc.sciencecloudnosend
dc.titleDetecting Black Hole Binaries by Gaia
dc.typeJournalArticle
dspace.entity.typePublication