Infrared Photometry of Galactic Globular Clusters From the 2-Micron All-Sky Survey

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

We present a preliminary catalog of IR surface-brightness profiles and photometry of 64 Galactic globular clusters, based on publicly available 2MASS data. For 52 of the clusters we derive central surface brightness, King-model concentrations, core radii and total luminosities in the K band. We compare these with the optical results of Trager, King and Djorgovski (1995), and calculate the V-K color index and metallicities for the clusters.

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