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Center-to-limb analysis of the solar oxygen lines

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Abstract

Several lines of neutral oxygen observed at various positions on the solar disk were used to study the influence of (1) the temperature distribution, (2) the velocity field, and (3) the damping on the line profiles and the abundance of oxygen in the photosphere. Theoretical profiles were calculated on the basis of four different model atmospheres in LTE. It was found that the model proposed by Holweger (1967) best reproduced the center-to-limb observations of the lines studied. The weighted mean of the oxygen abundance turned out to be log ɛ O = 8.83 on the basis of log ɛ H = 12.00.

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Authors and Affiliations

  1. Observatoire de Genève, Genève, Switzerland

    Edith A. Müller

  2. Inst. für Theor. Phys. und Sternw., University of Kiel, Kiel, Germany

    Bodo Baschek & Hartmut Holweger

Authors
  1. Edith A. Müller
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  2. Bodo Baschek
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  3. Hartmut Holweger
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Müller, E.A., Baschek, B. & Holweger, H. Center-to-limb analysis of the solar oxygen lines. Sol Phys 3, 125–145 (1968). https://doi.org/10.1007/BF00154249

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