http://arxiv.org/abs/1910.03198
We present the observed local dispersion relations for magneto-acoustic-gravity waves in the Sun’s atmosphere for different levels of magnetic field strength. We model these data with a theoretical local dispersion relation to produce spatial maps of the acoustic cut-off frequency in the Sun’s photosphere. These maps have implications for the mechanical heating of the Sun’s upper atmosphere, by magneto-acoustic-gravity waves, at different phases of the solar magnetic activity cycle.
S. Jefferies, B. Fleck, N. Murphy, et. al.
Wed, 9 Oct 19
40/64
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