Mathematics – Logic
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...334..510l&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 334, Nov. 1, 1988, p. 510-516.
Mathematics
Logic
143
Solar Atmosphere, Solar Oscillations, Solar Spectra, Vibration Mode, Chromosphere, Phenomenology, Power Spectra, Solar Rotation, Spectral Line Width
Scientific paper
New observations of solar p-mode amplitudes and line widths are presented, along with a phenomenological discussion of the excitation and damping of the modes. A surprising amount of structure is seen in the measured mode line widths as a function of frequency, which at present is unexplained. It is shown that the energy flux required to keep the p-modes excited to their observed amplitudes is of the same order of magnitude as the nonthermal energy flux required to heat the chromosphere. Thus it is not inconceivable that acoustic modes play some role in heating the solar atmosphere.
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