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Determination of [O...
Determination of [O/Fe] in BD +23 3130 from ESO VLT-UVES observations
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Cayrel, R. (author)
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Andersen, J. (author)
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Barbuy, B. (author)
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Beers, T. C. (author)
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Bonifacio, P. (author)
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François, P. (author)
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Hill, V. (author)
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Molaro, P. (author)
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- Nordström, Birgitta (author)
- Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
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Plez, B. (author)
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Primas, F. (author)
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Spite, F. (author)
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Spite, M. (author)
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(creator_code:org_t)
- 2001
- 2001
- English.
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In: New Astronomy Reviews. - 1872-9630. ; 45:8, s. 533-535
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http://dx.doi.org/10...
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Abstract
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- We report a new determination of [O/Fe, the relative logarithmicabundance of O/Fe with respect to the Sun, for the very metal-poor starBD+23 3130 ([Fe/H=-2.6). The value was derived from the forbidden line[O I at 630 nm and from six weak Fe II lines, with a S/N ratiosubstantially larger than those obtained before, thanks to theefficiency of the VLT-UVES instrument at Paranal. We obtain[O/Fe=0.71+/-0.25, a value 0.36 dex higher than the value obtained fromthe same lines by Fulbright and Kraft [AJ 118 (1999) 527, but 0.46lower than the one derived by Israelian et al. [ApJ 507 (1998) 805 fromthe UV OH bands.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
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- art (subject category)
- ref (subject category)
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- By the author/editor
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Cayrel, R.
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Andersen, J.
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Barbuy, B.
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Beers, T. C.
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Bonifacio, P.
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François, P.
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show more...
-
Hill, V.
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Molaro, P.
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Nordström, Birgi ...
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Plez, B.
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Primas, F.
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Spite, F.
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Spite, M.
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show less...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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New Astronomy Re ...
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Lund University