Simulations of Stellar Collisions Involving Pre-Main Sequence Stars

Details Simulations of Stellar Collisions Involving Pre-Main Sequence Stars Simulations of Stellar Collisions Involving Pre-Main Sequence Stars

2005-03-21

arxiv.org/abs/astro-ph/0503449v1

Astrophys.J. 627 (2005) 277-285

Astronomy and Astrophysics

Astrophysics

Accepted by ApJ

Scientific paper

10.1086/430372

In this paper, we present the results of smoothed particle hydrodynamic (SPH) simulations of collisions between pre-main sequence stars and a variety of other kinds of stars. Simulations over a range of impact parameters and velocities were performed. We find that pre-main sequence stars tend to ``wrap themselves'' around their impactor. We discuss the probable evolutionary state of products of collisions between pre-main sequence stars and pre-main sequence, main sequence, giant branch, and compact stars. The nature of the collision product does not depend strongly on the impact parameter or the velocity of the collision.

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