Discussion D: Observational problems with Li, Be and B

Details Discussion D: Observational problems with Li, Be and B Discussion D: Observational problems with Li, Be and B

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..268..493n&link_type=abstract

Light Elements in the Universe, Proceedings of the International Astronomical Union, IAU Symposium, Volume 268, p. 493-497

Astronomy and Astrophysics

Astronomy

Stars: Abundances, Atmospheres, Interiors – Planetary Systems – Ism: Abundances – Early Universe

Scientific paper

In Discussion D the following problems were addressed: Has 6Li really been detected in the atmospheres of metal-poor halo stars? Is there a downward trend or increased scatter of Li abundances in stars on the ‘Li-plateau’ at metallicities [Fe/H] ≲ -2.5? Are there significant differences of Li abundances in main-sequence, turn-off, and sub-giant stars in globular clusters? Is the Li abundance in solar-type stars related to the presence of planets? How does the Be abundance in dwarf stars increase with the heavy-element abundance, and is there a cosmic scatter in Be at a given [Fe/H]? The discussion of these problems is summarized and some suggestions for future observational and theoretical studies are mentioned.

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