SIMBAD references

2018A&A...612L...7F - Astronomy and Astrophysics, volume 612, L7-7 (2018/4-1)

On the formation of runaway stars BN and x in the Orion Nebula Cluster.

FARIAS J.P. and TAN J.C.

Abstract (from CDS):

We explore scenarios for the dynamical ejection of stars BN and x from source I in the Kleinmann-Low nebula of the Orion Nebula Cluster (ONC), which is important because it is the closest region of massive star formation. This ejection would cause source I to become a close binary or a merger product of two stars. We thus consider binary-binary encounters as the mechanism to produce this event. By running a large suite of N-body simulations, we find that it is nearly impossible to match the observations when using the commonly adopted masses for the participants, especially a source I mass of 7M. The only way to recreate the event is if source I is more massive, that is, ∼20M. However, even in this case, the likelihood of reproducing the observed system is low. We discuss the implications of these results for understanding this important star-forming region.

Abstract Copyright: © ESO 2018

Journal keyword(s): methods: numerical - stars: formation - stars: kinematics and dynamics

Simbad objects: 4

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2019.12.11-09:14:12

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