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The puzzling white dwarf cooling sequence in NGC 6791: A simple solution

Bedin, L R; Salaris, M; Piotto, G; Cassisi, S; Milone, Antonino; Anderson, Jay; King, I R

Description

In this Letter we demonstrate that the puzzling bright peak in the luminosity function of the white dwarf (WD) cooling sequence of NGC 6791 can be naturally accounted for if ∼34% of the observed WDs are WD+WD binary systems.

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
URI: http://hdl.handle.net/1885/82302
Source: Astrophysical Journal, The
DOI: 10.1086/589151

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