Astronomy and Astrophysics – Astrophysics
Scientific paper
2001-01-12
Astronomy and Astrophysics
Astrophysics
To be published in Rev.Mex. A&A, Conf. Series. Proceedings of the conference ``Ionized Gaseous Nebulae'', held in Mexico City,
Scientific paper
We compare abundances patterns in the Bulge for elements observed in stars
and in planetary nebulae. Some alpha elements, like Mg and Ti, are overabundant
respect to Fe, and others are not, like He, O, Si, S, Ar, Ca. The first ones
favor a quick evolution of the Galactic Bulge, and the seconds a much slower
one.
Acker Agnés
Cuisinier Francois
Köppen Joachim
Maciel Walter J.
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