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Signature of a magnetic activity cycle in HD49933 observed by CoRoT
R. A. Garcia, J. Ballot, S. Mathur +2
Solar-like stars with an external convective envelope can develop magnetic activity cycles under the interaction of con- vection, rotation and magnetic fields. Even in the Sun, the…
Towards a detection of individual g modes in the Sun
R. A. Garcia, J. Ballot, A. Eff-Darwich +10
Since the detection of the asymptotic properties of the dipole gravity modes in the Sun, the quest to find the individual gravity modes has continued. A deeper analysis of the GOLF…
Enhancing the signal-to-noise ratio of solar-like targets
R. A. Garcia, S. Mathur, J. Ballot +1
The analysis of the first solar-like targets done by CoRoT has shown that the oscillation amplitudes are about 25% below the theoretical amplitudes while the convective backgrounds…
An automatic pipeline analysing solar-like oscillating targets tested on CoRoT and simulated data
S. Mathur, R. A. Garcia, C. Regulo +3
The launch of the Kepler mission on 7th March 2009 opened a new bright future for the search of extra-solar planets while a huge amount of stars will be observed leading to the opp…
Sensitivity of the g-mode frequencies to pulsation codes and their parameters
A. Moya, S. Mathur, R. A. Garcia
From the recent work of the Evolution and Seismic Tools Activity (ESTA, Lebreton et al. 2006; Monteiro et al. 2008), whose Task 2 is devoted to compare pulsational frequencies comp…