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Dynamical Behavior of the Upper Solar Photosphere

Published online by Cambridge University Press:  26 May 2016

Robert J. Rutten
Robert J. Rutten*
Affiliation:
Sterrekundig Instituut, Utrecht University Postbus 80 000, NL 3508 TA Utrecht, The Netherlands

Abstract

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The dynamical behavior of upper cool-star photospheres constitutes the next step in realistic atmosphere modeling after the successful numerical implementation of low-photosphere granulation. The solar example shows that this behavior is complex even when magnetism is ignored. Acoustic waves are a principal ingredient, but so are atmospheric gravity waves. Acoustic events provide less pistoning than expected. Correlation and Fourier analyses of image sequences from TRACE demonstrate the ubiquity of gravity waves.

Type
Session D. Atmospheric Inhomogeneities
Information
Symposium - International Astronomical Union , Volume 210: Modelling of Stellar Atmospheres , 2003 , pp. 221 - 231
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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