On the solar p-mode spectrum excited by convection

Details On the solar p-mode spectrum excited by convection On the solar p-mode spectrum excited by convection

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...265..771g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 265, no. 2, p. 771-780.

Astronomy and Astrophysics

Astronomy

41

P Waves, Solar Convection (Astronomy), Solar Spectra, Chromosphere, Line Spectra, Solar Corona, Stellar Models, Stellar Oscillations

Scientific paper

We have studied the qualitative properties of the solar acoustic spectrum excited by convection. Such a spectrum should show skew lines, some of them should have a reduced peak power and a few should be missing. We have also checked the influence of the surface boundary condition (running waves or perfect reflection at the bottom of the corona) on the spectrum. Finally the influence of the strong damping in the chromosphere suggested by Deubner and Fleck is considered. It is found that it can explain the non observation of chromospheric modes.

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