Beryllium abundances in metal-rich stars

Details Beryllium abundances in metal-rich stars Beryllium abundances in metal-rich stars

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..268..349p&link_type=abstract

Light Elements in the Universe, Proceedings of the International Astronomical Union, IAU Symposium, Volume 268, p. 349-350

Astronomy and Astrophysics

Astronomy

Stars: Abundances, Individual (Hd 61421, Hd 72660, Hd 165341, Hd 179949, Hd 217107)

Scientific paper

In metal-rich stars as cool as the Sun, beryllium abundance determinations are difficult due to heavy line blanketing in the near-UV 3130 Å region where the accessible Be II lines reside. We can now attempt such determinations based on improved lists of atomic line identifications and gf-values in the near-UV. Here we report Be determinations for three metal-rich A, F, and G stars plus three solar-metallicity standards. All six stars have beryllium-to-hydrogen ratios at or below solar. More such determinations would provide stronger constraints on trends in Be abundance with temperature, metallicity, and age.

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