Artículo
Further developments in star cluster spectral libraries
Ahumada, Andrea Veronica
; Claria Olmedo, Juan Jose
; Bica, Eduardo; Piatti, Andres Eduardo
; Santos Jr., Joâo F. C.; Talavera, M. Lorena; Palma, Tali; Pavani, Daniela B.; Parisi, M. Celeste; Torres, M. Cristina; Dutra, Carlos M.
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Fecha de publicación:
03/2010
Editorial:
Cambridge University Press
Revista:
Proceedings IAU Symposium
ISSN:
1743–9213
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We present flux-calibrated integrated spectra in the optical spectral range of galactic open clusters (GOCs) and Magellanic Cloud (MC) stellar clusters (SCs) obtained at CASLEO (Argentina). The SC parameters were derived using the equivalent-width (EW) method and the template-matching procedure by comparing the line strengths and continuum distribution of the cluster spectra with those of template spectra with known parameters. MC cluster reddening values were also estimated by interpolation between the available extinction maps. The derived ages for the GOCs range from 3 Myr to 4 Gyr, while those of the MC SCs vary from 3 Myr to 7 Gyr. E(B − V ) colour-excess values in the MCs appear to be all lower than 0.17 mag, while those of the GOCs range from 0.00 to 2.40 mag. The present data led us to upgrade the spectral libraries of reference spectra or templates of solar and MC metallicities.
Palabras clave:
Galaxy
,
Open Cluster
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Articulos(IAFE)
Articulos de INST.DE ASTRONOMIA Y FISICA DEL ESPACIO(I)
Articulos de INST.DE ASTRONOMIA Y FISICA DEL ESPACIO(I)
Citación
Ahumada, Andrea Veronica; Claria Olmedo, Juan Jose; Bica, Eduardo; Piatti, Andres Eduardo; Santos Jr., Joâo F. C.; et al.; Further developments in star cluster spectral libraries; Cambridge University Press; Proceedings IAU Symposium; 5; 266; 3-2010; 347-350
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