Oxygen and boron abundances in a sample of stars with [O/H] greater than -0.5

Details Oxygen and boron abundances in a sample of stars with [O/H] greater than -0.5 Oxygen and boron abundances in a sample of stars with [O/H] greater than -0.5

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001newar..45..555c&link_type=abstract

New Astronomy Reviews, Volume 45, Issue 8, p. 555-556.

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Oxygen abundances are derived in a sample of field F and G dwarfs, for which boron abundances have been determined from HST spectra. The metallicities of the program stars span the range of [Fe/H]=-0.75 to +0.15. The weak [O I] /λ6300 Å and O I /λ6158 Å lines have been used for the oxygen abundance analysis. In addition, the strong near-IR triplet O I lines have been analyzed and these lines tend to give larger O-abundances than those derived from the weak [O I] and O I lines. Using the weak oxygen lines as the primary abundance indicators, a slope of 1.5 /+/-0.2 is determined for the relation of log /ɛ(B) versus log/ɛ(O) in the `metallicity' range of log/ɛ(O)=8.3-9.0.

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