Possible Evidence of Long-Term Oscillations in the Solar Atmosphere
β Scribed by K.P. Raju; Jagdev Singh; R. Srikanth; Dean-Yi Chou; the Ton Team
- Book ID
- 110289044
- Publisher
- Springer
- Year
- 2001
- Tongue
- English
- Weight
- 105 KB
- Volume
- 199
- Category
- Article
- ISSN
- 0038-0938
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π SIMILAR VOLUMES
The possibility of surge formation as a result of plasma 'raking-up', the latter being associated with the growth of the local magnetic field in the solar atmosphere, is considered in this paper. The question is treated numerically in the MHD approximation for the case of the dipolar magnetic field.
The 5-min oscillations in the photospheric velocity fields have been studied in detail from measurements on 14 absorption lines from three time sequences of spectrograms of high quality. The lines cover a range of heights in the solar atmosphere from log z = + 0.2 to --1.2. Regions oscillating coher