A new study of oxygen abundances derived from the OI triplet

Details A new study of oxygen abundances derived from the OI triplet A new study of oxygen abundances derived from the OI triplet

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001newar..45..541p&link_type=abstract

New Astronomy Reviews, Volume 45, Issue 8, p. 541-543.

Astronomy and Astrophysics

Astronomy

4

Scientific paper

Despite being the most abundant element in the Galaxy and the fact that the first determinations of its abundance in large samples of stars date back to the 60s, the evolution of oxygen along the Galactic history is still quite puzzling. In short, the results obtained by analyzing different oxygen abundance indicators (the OI triplet, the forbidden [OI] lines, the near-UV and IR OH molecular lines) are discrepant and prevent us from achieving a satisfactory interpretation of the oxygen evolutionary trend (e.g., [O/Fe] vs. [Fe/H]). Here, we present the preliminary results of a new analysis of the OI triplet in a large sample of halo and disk stars.

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