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New infrared star clusters and candidates in the Galaxy detected with 2MASS

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New infrared star clusters and candidates in the Galaxy detected with 2MASS

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Título New infrared star clusters and candidates in the Galaxy detected with 2MASS
Autor Dutra, Carlos Maximiliano
Bica, Eduardo Luiz Damiani
Abstract A sample of 42 new infrared star clusters, stellar groups and candidates was found throughout the Galaxy in the 2MASS J, H and especially KS atlases. In the Cygnus X region 19 new clusters, stellar groups and candidates were found as compared to 6 such objects in the previous literature. Colour-Magnitude Diagrams using the 2MASS Point Source Catalogue provided preliminary distance estimates in the range 1.0 < dΘ < 1.8 kpc for 7 Cygnus X clusters. Towards the central parts of the Galaxy 7 new IR clusters and candidates were found as compared to 61 previous objects. A search for prominent dark nebulae in KS was also carried out in the central bulge area. We report 5 dark nebulae, 2 of them are candidates for molecular clouds able to generate massive star clusters near the Nucleus, such as the Arches and Quintuplet clusters.
Contido em Astronomy and astrophysics. Les Ulis. Vol. 376, no. 2 (Sept. 2001), p. 434-440
Assunto Aglomerados estelares
[en] Galaxy: open clusters and associations: individual
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/98505
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