Pará́metros fundamentales de objetos catalogados como cúmulos estelares en la Nube Mayor de Magallanes
We present the results of 16 Large Magellanic Cloud (LMC) clusters obtained for the first time from CCD Washington CT1T2 photometry. CMD cluster features turn out to be identifiable when performing annular extractions around their respective centres, once they were cleaned from field star contaminat...
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2011 |
| País: | Argentina |
| Institución: | Consejo Nacional de Investigaciones Científicas y Técnicas |
| Repositorio: | CONICET Digital (CONICET) |
| Idioma: | español |
| OAI Identifier: | oai:ri.conicet.gov.ar:11336/20731 |
| Acceso en línea: | http://hdl.handle.net/11336/20731 |
| Access Level: | acceso abierto |
| Palabra clave: | cluster https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
| Sumario: | We present the results of 16 Large Magellanic Cloud (LMC) clusters obtained for the first time from CCD Washington CT1T2 photometry. CMD cluster features turn out to be identifiable when performing annular extractions around their respective centres, once they were cleaned from field star contamination; their main sequences extending from one up to four magnitudes downwards. The clusters resulted to be small angular size objects projected or immersed in dense star fields, as judged from their radial stellar density profiles, so that crowding effect could be responsible for the limited magnitude reached in some cases. We estimated their ages from isochrone fitting - along with the E(B − V ) colour excesses - assuming a metallicity of Z = 0.008 ([Fe/H] = -0.4 dex) and a LMC distance modulus of (m − M)o = 18.50 ± 0.10 mag |
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