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Adiabatic solar-like oscillations in red giant stars
J. Montalban, A. Miglio, A. Noels +3
Since the detection of non-radial solar-like oscillation modes in red giants with the CoRoT satellite, the interest in the asteroseismic properties of red giants and the link with…
CoRoT\,102699796, the first metal-poor Herbig Ae pulsator: a hybrid Sct- Dor variable?
V. Ripepi, F. Cusano, M. Di Criscienzo +7
We present the analysis of the time series observations of CoRoT\,102699796 obtained by the CoRoT satellite that show the presence of five independent oscillation frequencies in th…
The oxygen vs. sodium (anti)correlation(s) in omega Cen
F. D'Antona, A. D'Ercole, A. F. Marino +3
Recent exam of large samples of omega Cen giants shows that it shares with mono-metallic globular clusters the presence of the sodium versus oxygen anticorrelation, within each sub…
NGC 2419: a large and extreme second generation in a currently undisturbed cluster
M. Di Criscienzo, F. D'Antona, A. P. Milone +6
We analyse complementary HST and SUBARU data for the globular cluster NGC 2419. We make a detailed analysis of the horizontal branch (HB), that appears composed by two main groups…