Deep and accurate near-infrared photometry of the Galactic globular cluster omega Cen .

Bibcode
2009MmSAI..80...73C
Calamida, A.; Bono, G.; Corsi, C. E.; Stetson, P. B.; Prada Moroni, P. G.; Degl'Innocenti, S.; Marchetti, E.; Amico, P.; Ferraro, I.; Iannicola, G.; Monelli, M.; Buonanno, R.; Caputo, F.; Dall'Ora, M.; Freyhammer, L. M.; Koester, D.; Nonino, M.; Piersimoni, A. M.; Pulone, L.; Romaniello, M.
Referencia bibliográfica

Memorie della Società Astronomica Italiana, v.80, p.73 (2009)

Fecha de publicación:
0
2009
Número de autores
20
Número de autores del IAC
0
Número de citas
2
Número de citas referidas
0
Descripción
We present deep and accurate Near-Infrared (NIR) photometry of the Galactic Globular Cluster omega Cen . Data were collected using the Multi-Conjugate Adaptive Optics Demonstrator (MAD) mounted on the VLT (ESO). We combined the NIR photometry with optical space data collected with the Advanced Camera for Surveys (ACS) for the same region of the cluster. Our deep optical-NIR CMD indicates that the spread in age among the different stellar populations in omega Cen is at most of the order of 2 Gyr.
Tipo
Sin árbitro

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