| Issue |
EPJ Web of Conferences
Volume 43, 2013
40th Liège International Astrophysical Colloquium. Ageing Low Mass Stars: From Red Giants to White Dwarfs
|
|
|---|---|---|
| Article Number | 01004 | |
| Number of page(s) | 3 | |
| Section | Stellar Evolution | |
| DOI | https://doi.org/10.1051/epjconf/20134301004 | |
| Published online | 21 March 2013 | |
https://doi.org/10.1051/epjconf/20134301004
Why GN93 should not be used anymore
1 Centre Spatial de Liège and Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium
2 Australian National University, Research School of Astronomy and Astrophysics, Weston Creek, Australia
3 Observatoire Royal de Belgique, Bruxelles, Belgium
4 Department of Physics, McGill University, Montréal, Canada
a e-mail: Nicolas.Grevesse@ulg.ac.be
We show why the solar chemical composition of [1] (GN93) and the similar values of [2] (AG89) and [3] (GS98), characterized by values of the metallicity of the order of 0.017 to 0.020, largely used in solar and stellar modeling, are now obsolete. They should be replaced by the new and more precise results of [4] (AGSS09), with a much lower metallicity of 0.0134.
© Owned by the authors, published by EDP Sciences, 2013
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