Issue |
Astron. Astrophys. Suppl. Ser.
Volume 122, Number 3, May I 1997
|
|
---|---|---|
Page(s) | 483 - 488 | |
DOI | https://doi.org/10.1051/aas:1997148 | |
Published online | 15 May 1997 |
NTT V, I, z photometry of the metal-rich bulge globular cluster Terzan 6 *
1
Universidade de São Paulo, CP 9638, São Paulo 01065-970, Brazil
2
Università di Padova, Dept. di Astronomia, Vicolo dell'Osservatorio 5, I-35123 Padova, Italy
3
Universidade Federal do Rio Grande do Sul, Dept. de Astronomia, CP 15051, Porto Alegre 91500-970, Brazil
Received:
28
June
1996
Accepted:
21
August
1996
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 and a distance
kpc (assuming
).
We conclude that Terzan 6 belongs to the metal-rich
bulge globular cluster system.
Key words: globular clusters: Terzan 6; general / HR diagram
© European Southern Observatory (ESO), 1997