English

The Ages of Stars: The Horizontal Branch

Astrophysics 2015-05-13 v2

Abstract

Horizontal branch (HB) stars play a particularly important role in the "age debate," since they are at the very center of the long-standing "second parameter" problem. In this review, I discuss some recent progress in our understanding of the nature and origin of HB stars.

Keywords

Cite

@article{arxiv.0811.2947,
  title  = {The Ages of Stars: The Horizontal Branch},
  author = {M. Catelan},
  journal= {arXiv preprint arXiv:0811.2947},
  year   = {2015}
}

Comments

10 pages, 8 figures. Invited review, to appear in "The Ages of Stars", proceedings of IAU Symp. 258