What does the Sun suggest about global oscillation amplitudes in solar-like stars?

Details What does the Sun suggest about global oscillation amplitudes in solar-like stars? What does the Sun suggest about global oscillation amplitudes in solar-like stars?

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010an....331..896s&link_type=abstract

Astronomische Nachrichten, Vol.331, Issue 9/10, p.896

Astronomy and Astrophysics

Astronomy

Stars: Oscillations, Sun: Oscillations, Methods: Analytical

Scientific paper

Motivated by the results of CoRoT and based on the solar experience, we develop a new stellar scaling law for the intensity-velocity amplitude ratio (gain) of resonant oscillations, which is a quantity independent of the excitation model. The comparison of our approach with observations gives new interesting results for the Sun as a star. Moreover, for a sample of three solar-like stars observed by CoRoT, we found that our scaling law provides an explanation of the low observed luminosity amplitudes which is an alternative to non-adiabatic effects.

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