SIMBAD references

2007A&A...463..559V - Astronomy and Astrophysics, volume 463, 559-565 (2007/2-4)

K-band magnitude of the red clump as a distance indicator.

VAN HELSHOECHT V. and GROENEWEGEN M.A.T.

Abstract (from CDS):

We have investigated how the K-band magnitude of the red clump [MK(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 MK(RC)=-1.57±0.05 is a reasonable assumption to use in distance determinations for clusters with metallicity between -0.5 and +0.4dex and age between 108.5 and 109.9 years.

Abstract Copyright:

Journal keyword(s): open clusters and associations: general - stars: horizontal-branch - stars: distances

Status at CDS:  

Simbad objects: 32

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2020.06.01-08:26:39

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