A&A Supplement Series, Vol. 126, December I 1997, 319-324

Received February 10; accepted March 21, 1997

V, I and Gunn z photometry of faint bulge globular clusters: Terzan 10, ESO  38 and UKS 1

S. Ortolani , E. Bica, and B. Barbuy

  Università di Padova, Dept. di Astronomia, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy
  Universidade Federal do Rio Grande do Sul, Dept. de Astronomia, CP 15051, Porto Alegre 91500-970, Brazil
  Universidade de São Paulo, CP 9638, São Paulo 01065-970, Brazil

Abstract:

We present optical colour-magnitude diagrams for the faint bulge globular clusters Terzan 10, ESO  38 and UKS 1. The giant branches are detected but the horizontal branch is near the observational cutoff for the former two clusters and is not detected in UKS 1. We provide estimates of metallicity, reddening and distance for these clusters, some of these values determined for the first time.

keywords: globular clusters: Terzan 10, ESO  38, UKS 1 -- HR diagram

• 1. Introduction
• 2. Observations
• 3. Terzan 10
• 4. ESO 38
• 5. UKS 1
• 6. Concluding remarks
• References