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Characterization of the power excess of solar-like oscillations in red giants with Kepler
B. Mosser, Y. Elsworth, S. Hekker +15
We aim to describe the oscillation power excess observed in Kepler red giants, and to investigate empirical scaling relations governing these parameters. From these scalings relati…
Mixed modes in red-giant stars observed with CoRoT
B. Mosser, C. Barban, J. Montalban +15
The CoRoT mission has provided thousands of red-giant light curves. The analysis of their solar-like oscillations allows us to characterize their stellar properties. Up to now, the…
The underlying physical meaning of the relation
K. Belkacem, M. J. Goupil, M. A. Dupret +4
Asteroseismology of stars that exhibit solar-like oscillations are enjoying a growing interest with the wealth of observational results obtained with the CoRoT and Kepler missions.…
Gravity modes as a way to distinguish between hydrogen- and helium-burning red giant stars
Timothy R. Bedding, Benoit Mosser, Daniel Huber +31
Red giants are evolved stars that have exhausted the supply of hydrogen in their cores and instead burn hydrogen in a surrounding shell. Once a red giant is sufficiently evolved, t…
Amplitudes of solar p modes: modelling of the eddy time-correlation function
K. Belkacem, R. Samadi, M. J. Goupil
Modelling amplitudes of stochastically excited oscillations in stars is a powerful tool for understanding the properties of the convective zones. For instance, it gives us informat…
Amplitudes and lifetimes of solar-like oscillations observed by CoRoT* Red-giant versus main-sequence stars
F. Baudin, C. Barban, K. Belkacem +12
Context. The advent of space-borne missions such as CoRoT or Kepler providing photometric data has brought new possibilities for asteroseismology across the H-R diagram. Solar-like…