Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap%26ss.328..185g&link_type=abstract
Astrophysics and Space Science, Volume 328, Issue 1-2, pp. 185-191
Astronomy and Astrophysics
Astrophysics
4
Sun: Abundances, Stars: Abundances, Solar System: Formation, Planetary Systems
Scientific paper
The question whether the solar chemical composition is typical for solar-type stars is analysed by comparing the Sun with different stellar samples, including a sample of stars with very similar parameters, solar twins. Although typical in terms of overall metallicity for stars of solar age and galactic orbit, the solar atmosphere is found to have abundances, as compared with solar twins, that indicate that its gas has once been affected by dust formation and dust separation. It is concluded that this may be related to the formation of the solar planetary system and its special properties.
Asplund Martin
Gustafsson Bengt
Melendez Jorge
Yong David
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