Oxygen in Metal-Rich Stars: Abundances from [O I] 6300, OI 7771 5 and Near-UV OH

Bibcode
2006cams.book...50E
DOI
10.1007/978-3-540-34136-9_17
Ecuvillon, A.; Israelian, G.; Santos, N. C.; Shchukina, N.; Mayor, M.; Rebolo, R.
Referencia bibliográfica

Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites, ESO ASTROPHYSICS SYMPOSIA. ISBN 978-3-540-34135-2. Springer-Verlag, 2006, p. 50

Fecha de publicación:
0
2006
Número de autores
6
Número de autores del IAC
2
Número de citas
0
Número de citas referidas
0
Descripción
Oxygen abundances of a large number of metal-rich stars, with and without known planets, were derived from the forbidden line [O I] 6300 Å, the OI 7771-5 Å triplet and from near-UV OH lines. Non-LTE corrections were calculated and applied to the LTE abundance results derived from the OI 7771-5 Å triplet. Spectral synthesis was performed for several OH lines. Results from different indicators are compared. We study abundance trends in planet host and comparison sample stars. We find for all the indicators that, on average, [O/Fe] clearly decreases with [Fe/H], with significantly negative slopes in all the linear fits.
Tipo
Sin árbitro

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