| Issue |
A&A
Volume 369, Number 2, April II 2001
|
|
|---|---|---|
| Page(s) | 672 - 676 | |
| Section | Planets and planetary systems | |
| DOI | https://doi.org/10.1051/0004-6361:20010153 | |
| Published online | 15 April 2001 | |
Resonant absorption and the spectrum of 5-min oscillations of the Sun
III. Influence of inhomogeneity of the canopy magnetic field on fine structure
Central Astronomical Observatory of Russian Academy of Sciences, 65 Pulkovo, 196 140 St. Petersburg, Russia
Received:
25
September
2000
Accepted:
10
January
2001
We studied influence of magnetic field on the spectrum of 5-min solar oscillations. The calculations were made within a two-layer shell model. The lower non-magnetized layer is characterized by a linear decrease in temperature with height while in the upper layer (with an inhomogeneous horizontal magnetic field) the temperature increases and reaches the coronal value at a height of about 2500 km. The fine structure of the spectrum of 5-min oscillations was calculated for f-, p1- and p2- modes for large k.
Key words: Sun: oscillations / chromosphere / MHD
© ESO, 2001
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