Waves in the sunspot penumbra |
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| Authors: | H. M. Antia S. M. Chitre M. H. Gokhale |
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| Affiliation: | (1) Tata Institute of Fundamental Research, Homi Bhabha Road, 400 005 Bombay, India;(2) Indian Institute of Astrophysics, Bangalore, India |
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| Abstract: | The stability of a plane-parallel polytropic fluid layer in the presence of a uniform horizontal magnetic field is investigated to explore the possibility of identifying the running penumbral waves and the penumbral filaments with different types of instabilities. |
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