... photosphere

Appendices A-D are only available in electronic form at http://www.edpsciences.org

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...3,

New address: Cummings Life Science Center, Institute for Biophysical Dynamics, University of Chicago, 920 E. 58th Street, Chicago, IL 60637, USA.

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... Sonnensystemforschung

Formerly the Max-Planck-Institut für Aeronomie.

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... MURaM

The Max-Planck-Institute for Aeronomy/ University of Chicago Radiation Magneto-hydrodynamics code.

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