Stellar populations in the Carina dSph galaxy.

Bibcode
2006MmSAI..77..270M
Monelli, M.; Nonino, M.; Bono, G.; Walker, A. R.; Buonanno, R.; Caputo, F.; Corsi, C. E.; Dall'Ora, M.; François, P.; Moehler, S.; Munteanu, A.; Pulone, L.; Ripepi, V.; Smith, H.; Stetson, P. B.; Thévenin, F.
Referencia bibliográfica

Memorie della Società Astronomica Italiana, v.77, p.270 (2006)

Fecha de publicación:
0
2006
Número de autores
16
Número de autores del IAC
1
Número de citas
2
Número de citas referidas
2
Descripción
The small and elusive Carina dSph still presents many open questions concerning its stellar populations and dynamical evolution. It presents a unique star formation history, with well separated episodes over a time of ˜10 Gyr. However, the complex star formation history does not seem to have caused a strong chemical evolution of its stellar content. Moreover, the occurrence of extra-tidal stars has not been firmly established. These might be the signature of ongoing tidal interaction with the Galaxy, or belong to a diffuse halo as suggested by recent N-body simulations. We undertook a photometric and spectroscopic investigation over a substantial fraction of the Carina body, to fully characterize its stellar content.
Tipo
Sin árbitro
Galaxias
Grupo local
Técnicas

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