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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


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
Source: Astrophysical Journal, The
DOI: 10.1086/589151


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