English

The Puzzling White Dwarf Cooling Sequence in NGC6791: A Simple Solution

Astrophysics 2009-11-13 v1
Authors: L. R. Bedin , M. Salaris , G. Piotto , S. Cassisi , A. P. Milone , J. Anderson , I. R. King
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Abstract

In this paper we demonstrate that the puzzling bright peak in the luminosity function of the white dwarf (WD) cooling sequence of NGC6791 can be naturally accounted for if ~34% of the observed WDs are WD+WD binary systems.

Keywords

white dwarfs

Cite

@article{arxiv.0804.1792,
  title  = {The Puzzling White Dwarf Cooling Sequence in NGC6791: A Simple Solution},
  author = {L. R. Bedin and M. Salaris and G. Piotto and S. Cassisi and A. P. Milone and J. Anderson and I. R. King},
  journal= {arXiv preprint arXiv:0804.1792},
  year   = {2009}
}

Comments

12 pages, 3 figures. Accepted (April 9th 2008) on ApJ Letter

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