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Title: K-band magnitude of the red clump as a distance indicator
Authors: Van Helshoecht, V ×
Groenewegen, Martin #
Issue Date: 2007
Publisher: EDP SCIENCES S A
Series Title: Astronomy & Astrophysics vol:463 issue:2 pages:559-565
Conference: date:Katholieke Univ Leuven, Inst Sterrenkunde, B-3001 Louvain, Belgium
Article number: U48
Abstract: We have investigated how the K-band magnitude of the red clump [M-K(RC)] depends on age and metallicity, using 2MASS infrared data for a sample of 24 open clusters with known distances. We show that a constant value of M-K( RC) = - 1.57 +/- 0.05 is a reasonable assumption to use in distance determinations for clusters with metallicity between - 0.5 and + 0.4 dex and age between 10(8.5) and 10(9.9) years.
ISSN: 0004-6361
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
× corresponding author
# (joint) last author

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