A power-spectrum autocorrelation technique to detect global asteroseismic parameters

Details A power-spectrum autocorrelation technique to detect global asteroseismic parameters A power-spectrum autocorrelation technique to detect global asteroseismic parameters

2011-04-04

arxiv.org/abs/1104.0631v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, Proceedings of the HELAS-IV International Conference, submitted to Astronomische Nachrichten (poster paper appearing

Scientific paper

This article describes a moving-windowed autocorrelation technique which, when applied to an asteroseismic Fourier power spectrum, can be used to automatically detect the frequency of maximum p-mode power, large and small separations, mean p-mode linewidth, and constrain the stellar inclination angle and rotational splitting. The technique is illustrated using data from the CoRoT and Kepler space telescopes and tested using artificial data.

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