Molecular Hydrogen Dynamics in the Cool Photosphere

Details Molecular Hydrogen Dynamics in the Cool Photosphere Molecular Hydrogen Dynamics in the Cool Photosphere

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.2501d&link_type=abstract

American Astronomical Society Meeting 210, #25.01; Bulletin of the American Astronomical Society, Vol. 39, p.131

Astronomy and Astrophysics

Astronomy

Scientific paper

Molecular hydrogen can be a major component of the cool solar photosphere in magnetic regions. The steep dependence in the abundance fraction of the molecular species with temperature can produce strong relative density gradients that can dominate the local hydrostatic pressure. These pressure gradients can produce "diffusive" shock fronts that may have important dynamical consequences on, for example, sunspot penumbrae formation. We explore some simple analytic and numerical multi-fluid models that illustrate these dynamical effects.

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