Pre-mainsequence stellar evolution in N-body models
Solar and Stellar Astrophysics
2015-06-18 v1
Abstract
We provide a set of analytic fits to the radii of pre-mainsequence stars in the mass range 0.1 < M/Msun < 8.0. We incorporate the formulae in N-body cluster models for evolution from the beginning of pre-main sequence. In models with 1,000 stars and high initial cluster densities, pre-mainsequence evolution causes roughly twice the number of collisions between stars than in similar models with evolution begun only from the zero-age main sequence. The collisions are often all part of a runaway sequence that creates one relatively massive star.
Keywords
Cite
@article{arxiv.1402.3323,
title = {Pre-mainsequence stellar evolution in N-body models},
author = {Anna D. Railton and Christopher A. Tout and Sverre J. Aarseth},
journal= {arXiv preprint arXiv:1402.3323},
year = {2015}
}
Comments
8 pages, 4 figures, accepted by PASA