Beryllium Abundances in Stars Hosting Planets

Bibcode
2003csss...12..699G
García López, R. J.; Santos, N. C.; Israelian, G.; Mayor, M.; Rebolo, R.; García Gil, A.; Pérez de Taoro, M. R.; Randich, S.
Bibliographical reference

The Future of Cool-Star Astrophysics: 12th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (2001 July 30 - August 3), eds. A. Brown, G.M. Harper, and T.R. Ayres, (University of Colorado), 2003, p. 699-704.

Advertised on:
10
2003
Number of authors
8
IAC number of authors
0
Citations
0
Refereed citations
0
Description
Very valuable information can be obtained by studying surface chemical abundances in stars with orbiting planets. Possible interactions between extrasolar planets and their parent stars can be studied using light elements as lithium and beryllium, which are excellent tracers of mixing mechanisms operating in the stellar interior. A wide sample of stars hosting planets, with spectral types in the range F7V-K0V, have been observed and their beryllium abundances derived to study in detail the effects of planets on the structure and evolution of their associated stars. Preliminary results suggest that either low-mass planet hosts are anomalously beryllium depleted stars, or theoretical evolutionary models have to be revised for stars with effective temperatures below ˜ 5600 K.
Type
Non-refereed

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