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Lithium in other Suns: no connection between stars and planets

  • Jorge Meléndez (a1), Iván Ramírez (a2), Martin Asplund (a2) and Patrick Baumann (a2)

Abstract

An unbiased sample of solar twins shows that the Sun has a normal Li abundance for its age and that a low Li abundance does not imply the presence of planets. We find a tight correlation between Li and age, which holds for all stars analyzed in our sample: solar twins, stars with and without detected giant planets, and stars that may host terrestrial planets.

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References

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Charbonnel, C. & Talon, S. 2005, Science, 309, 2189
Israelian, G. et al. 2009, Nature, 462, 189
Meléndez, J., Asplund, M., Gustafsson, B., & Yong, D. 2009a, ApJ (Letters), 704, L66
Meléndez, J. et al. 2009b, Ap&SS, 221, in press
Pasquini, L., Biazzo, K., Bonifacio, P., Randich, S., & Bedin, L. R. 2008, A&A, 489, 677
Ramírez, I., Meléndez, J., & Asplund, M. 2009, A&A (Letters), 508, L17
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Lithium in other Suns: no connection between stars and planets

  • Jorge Meléndez (a1), Iván Ramírez (a2), Martin Asplund (a2) and Patrick Baumann (a2)

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