Artículo
The globular cluster system of the isolated elliptical NGC 6411: An old system in an intermediate-age galaxy?
Fecha de publicación:
03/2019
Editorial:
Wiley Blackwell Publishing, Inc
Revista:
Monthly Notices of the Royal Astronomical Society
ISSN:
0035-8711
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We present a photometric study of the isolated elliptical NGC6411 and its globular cluster (GC) system, based on Gemini/GMOS g′, r′, i′ photometry. This galaxy has been the host of a SNIa. Spectral studies indicate an intermediate-age and very metal-rich stellar population in its inner region. The extent of the globular cluster system is about 65 kpc. Its population contains 700±45 members, implying a rather poor system, as normally found for isolated ellipticals. The colour bimodality and luminosity distribution are typical of old GC systems. An excess of bright GCs with intermediate colours might evidence an intermediate-age merger, but their colours indicate an older event than ages derived from spectroscopic studies of the diffuse light of the galaxy.
Palabras clave:
GALAXIES
,
EVOLUTION
,
CLUSTER
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(IALP)
Articulos de INST.DE ASTROFISICA LA PLATA
Articulos de INST.DE ASTROFISICA LA PLATA
Citación
Caso, Juan Pablo; Bassino, Lilia Patricia; Richtler T.; Salinas R.; The globular cluster system of the isolated elliptical NGC 6411: An old system in an intermediate-age galaxy?; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 483; 3-2019; 4371-4382
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