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Issue A&A
Volume 400, Number 2, March III 2003
Page(s) 533 - 539
Section Stellar clusters and associations
DOI http://dx.doi.org/10.1051/0004-6361:20030005



A&A 400, 533-539 (2003)
DOI: 10.1051/0004-6361:20030005

New infrared star clusters in the southern Milky Way with 2MASS

C. M. Dutra1, E. Bica2, J. Soares2 and B. Barbuy1

1  Universidade de São Paulo, Instituto de Astronomia, Geofísica e Ciências Atmosféricas, CP 3386, São Paulo 01060-970, SP, Brazil
2  Universidade Federal do Rio Grande do Sul, Instituto de Física, CP 15051, Porto Alegre 91501-970, RS, Brazil

(Received 12 November 2002 / Accepted 23 December 2002)

Abstract
We carried out a 2MASS J, H and $K_{\rm s}$ survey of infrared star clusters in the Milky Way sector 230 $^{\circ}< \ell < 350^{\circ}$. This zone was the least studied in the literature, previously including only 12 infrared clusters or stellar groups with |b|< 10 $^{\circ}$, according to the recent catalogue by Bica et al. (2003). We concentrated efforts on embedded clusters, which are those expected in the areas of known radio and optical nebulae. The present study provides 179 new infrared clusters and stellar groups, which are interesting targets for detailed future infrared studies. The sample of catalogued infrared clusters and stellar groups in the Galaxy is now increased by 63%.


Key words: Galaxy: open clusters and associations: general -- infrared: general

Offprint request: C. M. Dutra, dutra@astro.iag.usp.br

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