Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-12-16
Astronomy and Astrophysics
Astrophysics
5 pages, 1 figure, updated version of proceedings - IAU Symposium 219, Stars and suns: activity, evolution and planets (Sydney
Scientific paper
The metallicity of young low mass Post-T Tauri stars in coeval associations is practically unknown. This work is the beginning of a systematic measurement of these metallicities based on high resolution spectra of low rotating members of these associations. Here, we present an application by examining the behavior of the Iron abundance with stellar mass and temperature of some members of an association 30 Myr old. This will test the possibility of explaining the high metallic content of stars with planets by means of injection of planetesimals during this early stage of evolution.
Almeida Roberta
da Silva Licio
la Reza Ramiro de
Oliveira Isa
Quast Germano R.
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