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Astron. Astrophys. 361, L57-L59 (2000)


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Letter to the Editor

ESO 280-SC06: a new globular cluster in the Galaxy *

S. Ortolani 1, E. Bica 2 and B. Barbuy 3

1 Università di Padova, Dipartimento di Astronomia, Vicolo dell'Osservatorio 5, 35122 Padova, Italy (ortolani@pd.astro.it)
2 Universidade Federal do Rio Grande do Sul, Departamento de Astronomia, CP 15051, Porto Alegre 91501-970, Brazil (bica@if.ufrgs.br)
3 Universidade de São Paulo, Departamento de Astronomia, CP 3386, São Paulo 01060-970, Brazil (barbuy@orion.iagusp.usp.br)

Received 24 July 2000 / Accepted 3 August 2000

Abstract

By means of VI CCD photometry we identify a new globular cluster in the Galaxy: ESO 280-SC06. The images and Colour Magnitude Diagrams indicate that we are dealing with a sparsely populated globular cluster, showing a compact core. The cluster is located in Ara, projected at only 12.6o from the plane, and appears to be metal poor ([FORMULA]). We derive a reddening E(B-V) = 0.07 and a distance from the Sun [FORMULA] = 21.9 kpc. It is a halo globular cluster on the opposite side of the Galaxy.

Key words: stars: Hertzsprung – Russel (HR) and C-M diagrams – Galaxy: globular clusters: individual: ESO 280 – SC06

* Observations collected at the European Southern Observatory - ESO, Chile; ESO proposal no. 64L-0212(A)

Send offprint requests to: B. Barbuy

© European Southern Observatory (ESO) 2000

Online publication: October 10, 2000

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