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The formation of massive binaries as a result of the dynamical decay of trapezium systems

Published online by Cambridge University Press:  30 December 2019

Christine Allen ,
Alejandro Ruelas-Mayorga ,
Leonardo J. Sánchez Open the ORCID record for Leonardo J. Sánchez [Opens in a new window]  and
Rafael Costero
Christine Allen
Affiliation:
Instituto de Astronoma, Universidad Nacional Autónoma de México, Cd. Universitaria, Ciudad de México. 04510, México, email: chris@astro.unam.mx
Alejandro Ruelas-Mayorga
Affiliation:
Instituto de Astronoma, Universidad Nacional Autónoma de México, Cd. Universitaria, Ciudad de México. 04510, México, email: chris@astro.unam.mx
Leonardo J. Sánchez
Affiliation:
Instituto de Astronoma, Universidad Nacional Autónoma de México, Cd. Universitaria, Ciudad de México. 04510, México, email: chris@astro.unam.mx
Rafael Costero
Affiliation:
Instituto de Astronoma, Universidad Nacional Autónoma de México, Cd. Universitaria, Ciudad de México. 04510, México, email: chris@astro.unam.mx
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Abstract

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We propose that a significant fraction of the wide massive binaries in the field are formed as a result of the disintegration of multiple systems of trapezium type. As examples we discuss here the binaries formed from the evolution of the mini-cluster associated with the B component of the Orion Trapezium, from that of the Orion Trapezium itself, and from 10 additional massive trapezia for which we found reliable data in the literature.

Keywords

binaries: general — stars: early-type — stars: kinematics and dynamics — stars: formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S346: High-mass X-ray Binaries: Illuminating the Passage from Massive Binaries to Merging Compact Objects , August 2018 , pp. 74 - 77
Copyright
© International Astronomical Union 2019 

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