Simulations of Stellar Collisions Involving Pre–Main‐Sequence Stars | Zendy

D. Laycock | Zendy; Alison Sills | Zendy

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Simulations of Stellar Collisions Involving Pre–Main‐Sequence Stars

Author(s) -

D. Laycock,

Alison Sills

Publication year - 2005

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/430372

Subject(s) - stars , physics , sequence (biology) , main sequence , collision , smoothed particle hydrodynamics , stellar collision , range (aeronautics) , astrophysics , t tauri star , computer science , chemistry , materials science , biochemistry , computer security , composite material

In this paper, we present the results of smoothed particle hydrodynamic (SPH)simulations of collisions between pre-main sequence stars and a variety ofother kinds of stars. Simulations over a range of impact parameters andvelocities were performed. We find that pre-main sequence stars tend to ``wrapthemselves'' around their impactor. We discuss the probable evolutionary stateof products of collisions between pre-main sequence stars and pre-mainsequence, main sequence, giant branch, and compact stars. The nature of thecollision product does not depend strongly on the impact parameter or thevelocity of the collision.Comment: Accepted by Ap

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