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Lithium in Metal Deficient K Giant Stars: The Absence of Dust Signature

Published online by Cambridge University Press:  25 May 2016

Ramiro de la Reza
Affiliation:
1Observatòrio Nacional - Rio de Janeiro - 20921-400 Brazil
Licio da Silva
Affiliation:
1Observatòrio Nacional - Rio de Janeiro - 20921-400 Brazil
Natalia A. Drake
Affiliation:
1Observatòrio Nacional - Rio de Janeiro - 20921-400 Brazil 2Astronomical Institute - St. Petersburg University - St. Petersburg 198904 Russia
Marco A. Terra
Affiliation:
30bservatòrio do Valongo - UFRJ - Rio de Janeiro - 20080-090 Brazil

Abstract

The 7Li enrichment - mass loss scenario has been constructed using the strong connection found between solar metallicity Li-rich giants and IRAS sources. We show here that the Li-rich metal poor first-ascent red giants are not IRAS sources, although they are loosing Li enriched matter in form of gas.

Type
4. Lithium Abundances
Copyright
Copyright © Astronomical Society of the Pacific 2000 

References

de la Reza, R., Drake, N.A., & da Silva, L. 1996, ApJ, 456, L115 CrossRefGoogle Scholar
Kraft, R.P., Peterson, R.C., Guhathakurta, P., Sneden, C., Fulbright, J.P., & Langer, G.E. 1999, ApJ, 518, L53 CrossRefGoogle Scholar
Penny, A.J., Evans, A., & Odenkirchen, M. 1997, A&A, 317, 694 Google Scholar
Smith, G.H. 1998, PASP, 110, 1119 CrossRefGoogle Scholar
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