Solar magneto-atmospheric waves. II. A model for running penumbral waves
Journal Article
·
· Astrophys. J.; (United States)
A simple two-layer model of a sunspot penumbra is used to study the mode of running penumbral waves. Exact solutions of the linearized wave equation, not limited to the small-wavelength approximation, are employed in each layer. The lowest ''plus'' eigenmode of magneto-atmospheric waves in the model penumbra is in good agreement with observations of running penumbral waves. The results indicate that running penumbral waves should be observable in a photospheric spectral line. (AIP)
- Research Organization:
- Department of Mechanical and Aerospace Sciences, University of Rochester
- OSTI ID:
- 7282314
- Journal Information:
- Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 204:2; ISSN ASJOA
- Country of Publication:
- United States
- Language:
- English
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