Metallicity and mean age across M33

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dc.creatorCioni, M. -R. L.
dc.creatorIrwin, M.
dc.creatorFerguson, A. M. N.
dc.creatorMcConnachie, A.
dc.creatorConn, B. C.
dc.creatorHuxor, A.
dc.creatorIbata, R.
dc.creatorLewis, G.
dc.creatorTanvir, N.
dc.date2007-09-19
dc.date.accessioned2026-07-07T08:30:47Z
dc.date.available2026-07-07T08:30:47Z
dc.descriptionNew wide-field near-infrared (NIR) imaging observations of M33 were obtained from UKIRT. These show a large population of intermediate-age stars considerably improving on previous NIR data. The spatial distribution of super giant stars, carbon-rich (C-rich or C stars) and oxygen-rich (O-rich or M stars) asymptotic giant branch (AGB) stars distinguished from the NIR colour-magnitude diagram (CMD) have been studied as well as the C/M ratio. The Ks magnitude distribution has been interpreted using theoretical models to derive the mean age and the mean metallicity across M33.
dc.description4 pages, 2 figures, conference "Galaxies in the Local Volume", Sydney 8-13 July 2007, Springer Astrophysics and Space Science Proceedings, editors B. Koribalski and H. Jerjen
dc.identifierhttps://arxiv.org/abs/0709.2949
dc.identifierhttp://arxiv.org/abs/0709.2949
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/138331
dc.subjectAstrophysics
dc.titleMetallicity and mean age across M33
dc.typetext

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