NTT VI photometry of the metal-rich and obscured bulge globular cluster Terzan 5.

Details NTT VI photometry of the metal-rich and obscured bulge globular cluster Terzan 5. NTT VI photometry of the metal-rich and obscured bulge globular cluster Terzan 5.

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...308..733o&link_type=abstract

Astronomy and Astrophysics, v.308, p.733-737

Astronomy and Astrophysics

Astrophysics

33

Globular Clusters: Individual: Terzan 5, General, Hr Diagram

Scientific paper

We study the metal-rich bulge globular cluster Terzan 5 by means of VI colour-magnitude diagrams, with images obtained under exceptional seeing conditions (0.34"-0.50"). Differential reddening is important across the cluster. We derive a reddening of E(B-V)=2.49 and a distance from the Sun dsun_=5.6kpc, closer than previous estimates. Based on the red giant branch curvature, we derive a metallicity somewhat higher than that of NGC 6553, probably solar.

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