Stokes diagnostics of magneto-convection. Profile shapes and asymmetries

Khomenko, Elena, Shelyag, Sergiy, Solanki, Sami K., Vögler, Alexander and Schüssler, Manfred (2004) Stokes diagnostics of magneto-convection. Profile shapes and asymmetries. Proceedings of the International Astronomical Union, 2004 (IAUS22). pp. 635-636. ISSN 1743-9213

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Official URL: http://dx.doi.org/10.1017/S1743921304007112

Abstract

We discuss the polarization signals produced in recent realistic 3D simulations of solar magnetoconvection. The Stokes profiles of the Fe I 6301.5, 6302.5, 15648 and 15652 Å Zeeman-sensitive spectral lines are synthesised and smeared to simulate the image degradation caused by the Earth’s atmosphere and finite telescope resolution. A Principal Component Analysis approach is applied to classify the profiles. We find that the classes of Stokes V profiles as well as their amplitude and area asymmetries are very close to the observations in the network and inter-network regions.

Item Type: Article
Additional Information: Published online: 1st June 2004.
Uncontrolled Keywords: Sun: magnetic fields, Sun: photosphere
Subjects: F300 Physics
F500 Astronomy
G100 Mathematics
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Sergiy Shelyag
Date Deposited: 23 May 2016 10:50
Last Modified: 31 Jan 2017 10:38
URI: http://nrl.northumbria.ac.uk/id/eprint/26919

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