𝔖 Bobbio Scriptorium
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Umbral oscillations in a detailed model umbra

✍ Scribed by John H. Thomas; Mark A. Scheuer


Publisher
Springer
Year
1982
Tongue
English
Weight
517 KB
Volume
79
Category
Article
ISSN
0038-0938

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✦ Synopsis


Our theory ofumbral oscillations as resonant modes of magneto-atmospheric waves is extended and confirmed by calculating the resonant modes in a much more detailed model of the umbral atmosphere. The depths of forcing required to produce observed oscillation periods (roughly 140 to 185 s) are in good agreement with the depths ofoverstable convection found in other studies .


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