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Evolution of [O/Mg], [Na/Mg], [Al/Mg], and [K/Mg] in the Galaxy, from a NLTE analysis

Published online by Cambridge University Press:  09 March 2010

M. Spite ,
F. Spite ,
P. Bonifacio ,
V. Hill ,
S. Andrievsky ,
R. Cayrel ,
P. François  and
S. Korotin
M. Spite
Affiliation:
Observatoire de Paris, GEPI, UMR8111 CNRS, France
F. Spite
Affiliation:
Observatoire de Paris, GEPI, UMR8111 CNRS, France
P. Bonifacio
Affiliation:
Observatoire de Paris, GEPI, UMR8111 CNRS, France Osservatorio Astronomico di Trieste, INAF, Italy
V. Hill
Affiliation:
Universit de Nice Sophia-Antipolis, Observatoire de la Cte dAzur, UMR6202 CNRS, France
S. Andrievsky
Affiliation:
Astronomical Observatory, Odessa National University, Isaac Newton Institute of Chile, Odessa branch, Ukraine
R. Cayrel
Affiliation:
Observatoire de Paris, GEPI, UMR8111 CNRS, France
P. François
Affiliation:
Observatoire de Paris, GEPI, UMR8111 CNRS, France
S. Korotin
Affiliation:
Astronomical Observatory, Odessa National University, Isaac Newton Institute of Chile, Odessa branch, Ukraine
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In the framework of he ESO Large Program “First Stars”, high resolution (R=45000) high S/N ratio spectra have been obtained for a sample of Extremely Metal Poor Stars (EMP stars), 35 giants and 18 turnoff stars. Among them 37 have a very low metallicity: [Fe/H]< −2.9.

Keywords

abundancesline:profilesPop IIhalo
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S265: Chemical Abundances in the Universe: Connecting First Stars to Planets , August 2009 , pp. 380 - 381
Copyright
Copyright © International Astronomical Union 2010

References

Andrievsky, S. M., Spite, M., Korotin, S. A., Spite, F., Bonifacio, P., Cayrel, R., et al. (2007), A&A, 464, 1081Google Scholar
Andrievsky, S. M., Spite, M., Korotin, S. A., Spite, F., Bonifacio, P., Cayrel, R., et al. . (2008), A&A, 481, 481Google Scholar
Bonifacio, P., Molaro, P., Sivarani, T., Cayrel, R., Spite, M., Spite, F. et al. (2007), A&A, 462, 851Google Scholar
Bonifacio, P., Spite, M., Cayrel, R., Hill, V., Spite, F., François, P., Plez, B., Ludwig, H., Caffau, E., Molaro, P., et al. (2009), A&A, in press.Google Scholar
Cayrel, R., Depagne, E., Spite, M., Hill, V., Spite, F., François, P., Plez, B., et al. (2004), A&A, 416, 117Google Scholar
Gehren, T., Liang, Y. C., Shi, J. R. et al. (2004), A&A, 413, 1045Google Scholar
Gehren, T., Shi, J. R., Zhang, H. W. et al. (2006), A&A, 451, 1065Google Scholar
Korotin, S. A., Andrievsky, S. M., & Luck, R. E. (1999), A&A, 351, 168Google Scholar
Mashonkina, L., Zhao, G., Gehren, T. et al. (2008), A&A, 478, 529Google Scholar
Zhang, H. W., Gehren, T., Butler, K. et al. (2006), A&A, 457, 645Google Scholar