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Black Hole dynamics in Young Star Clusters

Published online by Cambridge University Press:  11 March 2020

Sara Rastello Open the ORCID record for Sara Rastello [Opens in a new window] ,
Ugo N. di Carlo ,
Michela Mapelli ,
Nicola Giacobbo  and
Alessandro Ballone
Sara Rastello
Affiliation:
Dipartimento di Fisica e Astronomia ‘G. Galilei’, University of Padova, Vicolo dell’Osservatorio 3, I-35122, Padova, Italy email: [email protected] INFN, Sezione di Padova, Via Marzolo 8, I-35131, Padova, Italy
Ugo N. di Carlo
Affiliation:
INAF-Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, I-35122, Padova, Italy Dipartimento di Scienza e Alta Tecnologia, University of Insubria, Via Valleggio 11, I-22100, Como, Italy INFN, Sezione di Padova, Via Marzolo 8, I-35131, Padova, Italy
Michela Mapelli
Affiliation:
Dipartimento di Fisica e Astronomia ‘G. Galilei’, University of Padova, Vicolo dell’Osservatorio 3, I-35122, Padova, Italy email: [email protected] INAF-Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, I-35122, Padova, Italy INFN, Sezione di Padova, Via Marzolo 8, I-35131, Padova, Italy
Nicola Giacobbo
Affiliation:
Dipartimento di Fisica e Astronomia ‘G. Galilei’, University of Padova, Vicolo dell’Osservatorio 3, I-35122, Padova, Italy email: [email protected] INAF-Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, I-35122, Padova, Italy INFN, Sezione di Padova, Via Marzolo 8, I-35131, Padova, Italy
Alessandro Ballone
Affiliation:
Dipartimento di Fisica e Astronomia ‘G. Galilei’, University of Padova, Vicolo dell’Osservatorio 3, I-35122, Padova, Italy email: [email protected] INAF-Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, I-35122, Padova, Italy INFN, Sezione di Padova, Via Marzolo 8, I-35131, Padova, Italy
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Abstract

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Young star clusters are a promising environment for forming binary black holes. Such binaries may form dynamically or via binary star evolution or through the interplay of these two channels. To study these formation pathways, we have performed high precision direct N-body simulations of low-mass (M < 1000 M⊙) young star clusters. The simulations were carried out with the code Nbody6++GPU coupled with the population synthesis code MOBSE. Our results highlight the importance of dynamics to form massive black hole binaries even in low-mass young star clusters.

Keywords

black hole physicsgravitational wavesmethods: numericalgalaxies: star clusters: generalstars: kinematics and dynamicsbinaries: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S351: Star Clusters: From the Milky Way to the Early Universe , May 2019 , pp. 490 - 493
Copyright
© International Astronomical Union 2020

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