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Astron. Astrophys. Suppl. Ser.
Volume 127, Number 3, February I 1998
Page(s) 471 - 477
Published online 15 February 1998
DOI: 10.1051/aas:1998114

A&A Supplement series, Vol. 127, February I 1998, 471-477

Received March 19; accepted June 9, 1997

V, I photometry of the bulge metal-rich globular clusters NGC 6380 and Terzan 12gif

S. Ortolani tex2html_wrap543 - E. Bicatex2html_wrap545 - B. Barbuytex2html_wrap547

tex2html_wrap549  Università di Padova, Dept. di Astronomia, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy
tex2html_wrap551  Universidade Federal do Rio Grande do Sul, Dept. de Astronomia, CP 15051, Porto Alegre 91500-970, Brazil
tex2html_wrap553  Universidade de São Paulo, CP 9638, São Paulo 01065-970, Brazil


We present V, I photometry of the bulge globular clusters NGC 6380 and Terzan 12, using the ESO NTT telescope. For the first time colour-magnitude diagrams are obtained for these clusters, allowing us to derive reliable cluster parameters. From the colour-magnitude diagram morphology both clusters result to be metal-rich. For NGC 6380 we estimate tex2html_wrap_inline519, a reddening of E(B-V) = 1.07 and a distance tex2html_wrap_inline523. For Terzan 12 we obtain tex2html_wrap_inline519, E(B-V) = 2.06 and tex2html_wrap_inline529.

keywords: globular clusters: NGC 6380, Terzan 12 -- HR diagram

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