Non-Lte Effects on be and B Abundance Determinations in Cool Stars

Details Non-Lte Effects on be and B Abundance Determinations in Cool Stars Non-Lte Effects on be and B Abundance Determinations in Cool Stars

1994-09-26

arxiv.org/abs/astro-ph/9409064v1

Astronomy and Astrophysics

Astrophysics

10p, uuencoded compressed postscript, 4 figures (and text) available with anonymous ftp from hugin.astro.su.se directory: pub/

Scientific paper

We discuss the nature of non-LTE effects affecting abundance analysis of cool stars. The departures from LTE of importance for the B I lines in solar-type stars are described and some new results are presented. Boron abundances derived under the LTE assumption have significant systematic errors, especially for metal-poor stars. For beryllium, current results suggest that departures from LTE will not affect abundance analysis significantly.

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