V, I photometry of the metal-rich bulge globular cluster Terzan 2.

Astronomy and Astrophysics – Astrophysics

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Globular Clusters: Individual: Terzan 2, Hr Diagram, Galaxy: Abundances, Galaxy: Center

Scientific paper

We present for the first time optical colour magnitude diagrams of the globular cluster Terzan 2, in the V, I colours. The horizontal branch is red. The red giant branch morphology can be fitted with that of 47 Tuc, but definitely not that of NGC 6553. We derive a reddening of E(B-V)=1.54 and a distance dsun_=7.7 kpc if R=3.1, or 5.3kpc if R=3.6. Terzan 2 adds to the list of bulge metal-rich clusters now with reliable parameters.

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