Numerical simulations of the quiet chromosphere

Details Numerical simulations of the quiet chromosphere Numerical simulations of the quiet chromosphere

2010-01-06

arxiv.org/abs/1001.0888v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

6 pages, 2 Figures. To appear in Proceedings of the 25th NSO Workshop: Chromospheric Structure and Dynamics

Scientific paper

Numerical simulations of the solar chromosphere have become increasingly realistic over the past 5 years. However, many observed chromospheric structures and behavior are not reproduced. Current models do not show fibrils in Ca II 8542, and neither reproduce the Ca II 8542 bisector. The emergent H-alpha line core intensity computed from the models show granulation instead of chromospheric shocks or fibrils. I discuss these deficiencies and speculate about what physics should be included to alleviate these shortcomings.

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