NGC 2401: a template of the young population of the Norma-Cygnus arm in the Third Galactic Quadrant
Author | dc.contributor.author | Baume, Gustavo | |
Author | dc.contributor.author | Moitinho, A. | es_CL |
Author | dc.contributor.author | Vázquez, Rúben A. | es_CL |
Author | dc.contributor.author | Solivella, G. | es_CL |
Author | dc.contributor.author | Carraro, Giovanni | es_CL |
Author | dc.contributor.author | Villanova, S. | es_CL |
Admission date | dc.date.accessioned | 2008-12-10T14:50:28Z | |
Available date | dc.date.available | 2008-12-10T14:50:28Z | |
Publication date | dc.date.issued | 2006-04-21 | |
Cita de ítem | dc.identifier.citation | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Volume: 367 Issue: 4 Pages: 1441-1449 Published: APR 21 2006 | en |
Identifier | dc.identifier.issn | 0035-8711 | |
Identifier | dc.identifier.uri | https://repositorio.uchile.cl/handle/2250/124760 | |
Abstract | dc.description.abstract | Based on a deep optical CCD [UBV(RI)(C)] photometric survey and on the Two-Micron All Sky Survey (2MASS) data, we derived the main parameters of the open cluster NGC 2401. We found that this cluster is placed at 6.3 +/- 0.5 kpc ( V-O - M-V = 14.0 +/- 0.2) from the Sun and is 25 Myr old, which allows us to identify NGC 2401 as a member of the young population belonging to the innermost side of the extension of the Norma-Cygnus spiral arm in the Third Galactic Quadrant. A spectroscopic study of the emission star LSS 440 that lies in the cluster area revealed that it is a B0Ve star; however, we could not confirm that it is a cluster member. We also constructed the cluster luminosity function (LF) down to V similar to 22 and the cluster initial mass function (IMF) for all stars with masses above M similar to 1-2M circle dot. It was found that the slope of the cluster IMF is x approximate to 1.8 +/- 0.2. The presence of a probable pre-main-sequence (PMS) star population associated with the cluster is weakly revealed. | en |
Lenguage | dc.language.iso | en | en |
Publisher | dc.publisher | BLACKWELL PUBLISHING | en |
Keywords | dc.subject | OPEN CLUSTERS | en |
Título | dc.title | NGC 2401: a template of the young population of the Norma-Cygnus arm in the Third Galactic Quadrant | en |
Document type | dc.type | Artículo de revista |
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