NTT V, I, Z photometry of the metal-rich bulge globular cluster Terzan 6

Details NTT V, I, Z photometry of the metal-rich bulge globular cluster Terzan 6 NTT V, I, Z photometry of the metal-rich bulge globular cluster Terzan 6

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26as..122..483b&link_type=abstract

A & A Supplement series, Vol. 122, May I 1997, 483-488.

Astronomy and Astrophysics

Astronomy

15

Globular Clusters: Terzan 6: General, Hr Diagram

Scientific paper

We present for the first time optical (V, I and Gunn z) colour magnitude diagrams for Terzan 6, which were collected under excellent seeing conditions with the ESO NTT telescope. The horizontal branch morphology is red, nearly superimposed on the red giant branch. The red giant branch morphology presents characteristics intermediate between those of 47 Tuc and NGC 6528/NGC 6553. We derive a reddening of E(B-V) = 2.24 and a distance d_{\odot} = 7.0 kpc (assuming R = 3.1). We conclude that Terzan 6 belongs to the metal-rich bulge globular cluster system. Observations collected at the European Southern Observatory - ESO, Chile; Table 2 is available only in electronic form at the CDS via anonymous ftp 130.79.128.5.

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