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Abstract:

We present CCD BV I observations obtained for 1759 stars in 4′×4′ regions around the unstudied southern stellar aggregates Ruprecht 103, 124, 129, 146 and 166, which are described as open clusters in several catalogues. Our analysis shows that none of these stellar groups are genuine open clusters since no clear main sequences or other meaningful features can be seen in their colour-magnitude diagrams. Star counts carried out within and outside the cluster candidate fields not only support these results but also show that the studied objects do not appear to be candidate late stages of star cluster dynamical evolution.

Registro:

Documento: Artículo
Título:On the nature of five open cluster candidates projected close to the Galactic centre
Autor:Piatti, A.E.; Clariá, J.J.
Filiación:Instituto de Astronomía y Física del Espacio, CC 67, Suc. 28, 1428 Buenos Aires, Argentina
Observatorio Astronómico, Universidad Nacional de Córdoba, Laprida 854, 5000 Córdoba, Argentina
Palabras clave:Open clusters and associations: general; Open clusters and associations: individual: Ruprecht 103, 124, 129, 146, and 166
Año:2001
Volumen:379
Número:2
Página de inicio:453
Página de fin:460
DOI: http://dx.doi.org/10.1051/0004-6361:20011353
Título revista:Astronomy and Astrophysics
Título revista abreviado:Astron. Astrophys.
ISSN:00046361
CODEN:AAEJA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046361_v379_n2_p453_Piatti

Citas:

---------- APA ----------
Piatti, A.E. & Clariá, J.J. (2001) . On the nature of five open cluster candidates projected close to the Galactic centre. Astronomy and Astrophysics, 379(2), 453-460.
http://dx.doi.org/10.1051/0004-6361:20011353
---------- CHICAGO ----------
Piatti, A.E., Clariá, J.J. "On the nature of five open cluster candidates projected close to the Galactic centre" . Astronomy and Astrophysics 379, no. 2 (2001) : 453-460.
http://dx.doi.org/10.1051/0004-6361:20011353
---------- MLA ----------
Piatti, A.E., Clariá, J.J. "On the nature of five open cluster candidates projected close to the Galactic centre" . Astronomy and Astrophysics, vol. 379, no. 2, 2001, pp. 453-460.
http://dx.doi.org/10.1051/0004-6361:20011353
---------- VANCOUVER ----------
Piatti, A.E., Clariá, J.J. On the nature of five open cluster candidates projected close to the Galactic centre. Astron. Astrophys. 2001;379(2):453-460.
http://dx.doi.org/10.1051/0004-6361:20011353