Volume 443, Number 3, December I 2005
|Page(s)||1013 - 1019|
|Section||Stellar structure and evolution|
|Published online||15 November 2005|
An observational approach to convection in main sequence stars
Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain e-mail: [crr;hvr;email@example.com]
2 Dpto. de Astrofísica, Universidad de La Laguna, La Laguna, 38206, Tenerife, Spain
Accepted: 1 August 2005
Observational results concerning possible changes in the granulation of Main Sequence stars were found by analysing their seismic power spectra obtained from photometric microvariability. We analysed as many as 178 stars with spectral types F, G, K, and M observed for 54 days. We present evidence of changes in the lifetime and contrast of the granulation, which both increase from F to M stars, although within the limit of resolution.
Key words: convection / stars: interiors / stars: oscillations
© ESO, 2005
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