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Line Formation in Solar Granulation IV. [O1], O1 and OH lines and the photospheric O abundance

Asplund, Martin; Grevesse, N; Sauval, A J; Prieto, Carlos Allende; Kiselman, D

Description

The solar photospheric oxygen abundance has been determined from [O I], O I, OH vibration-rotation and OH pure rotation lines by means of a realistic time-dependent, 3D, hydrodynamical model of the solar atmosphere. In the case of the O I lines, 3D non-LTE calculations have been performed, revealing significant departures from LTE as a result of photon losses in the lines. We derive a solar oxygen abundance of log εo = 8.66 ± 0.05. All oxygen diagnostics yield highly consistent abundances, in...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/87512
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361:20034328

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