Spectroscopy of a Globular Cluster in the Local Group dIrr NGC 6822

Details Spectroscopy of a Globular Cluster in the Local Group dIrr NGC 6822 Spectroscopy of a Globular Cluster in the Local Group dIrr NGC 6822

2002-11-02

arxiv.org/abs/astro-ph/0211030v1

Mon.Not.Roy.Astron.Soc. 339 (2003) 707

Astronomy and Astrophysics

Astrophysics

5 pages, including 3 figures. Accepted by MNRAS, uses mn2e.cls

Scientific paper

10.1046/j.1365-8711.2003.06212.x

We present low-resolution Keck spectroscopy for the globular cluster H VIII in the Local Group dIrr galaxy NGC 6822. We find the metallicity of the cluster to be [Fe/H]= -1.58 +/- 0.28 and the age of the cluster to be 3-4 Gyr, slightly older than but consistent with previous age estimates. H VIII seems to be more metal-poor than most intermediate-age globular clusters in the Local Group, and appears most similar to the anomalous Small Magellanic Cloud clusters Lindsay 113 and NGC 339.

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