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1994•Symposium - International Astronomical UnionOpen access

Line Shifts and Asymmetries in the IR Solar Spectrum

R. Blomme, A. J. Sauval, N. Grevesse

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Abstract

Line shifts and asymmetries of spectral lines have been found in the ATMOS spectra. These are due to the granulation at the solar surface. A two-component model for the solar photosphere is used to calculate theoretical profiles which are compared to the observations. The ATMOS lines provide additional constraints on models for the solar photosphere.

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What this paper is about

Line shifts and asymmetries of spectral lines have been found in the ATMOS spectra. These are due to the granulation at the solar surface. A two-component model for the solar photosphere is used to calculate theoretical profiles which are compared to the observations. The ATMOS lines provide additional constraints on models for the solar photosphere.

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Available abstract

Line shifts and asymmetries of spectral lines have been found in the ATMOS spectra. These are due to the granulation at the solar surface. A two-component model for the solar photosphere is used to calculate theoretical profiles which are compared to the observations. The ATMOS lines provide additional constraints on models for the solar photosphere.

Key concepts: Photosphere, Physics, Spectral line, Line (geometry), Astrophysics, Solar physics, Spectrum (functional analysis), Astronomy

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