Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...237..616d&link_type=abstract
Astrophysical Journal, Part 1, vol. 237, Apr. 15, 1980, p. 616-619. Research supported by the Aerospace Corp.
Astronomy and Astrophysics
Astrophysics
34
Kelvin-Helmholtz Instability, Mathematical Models, Periodic Variations, Solar Constant, Stellar Models, Sun, Convective Flow, Hydrostatic Pressure, Radii, Solar Corona, Solar Temperature, Stellar Luminosity, Stellar Structure
Scientific paper
Small fluctuations in the solar constant can occur on time scales much shorter than the Kelvin time. Changes in the ability of convection to transmit energy through the superadiabatic and transition regions of the convection zone cause structure adjustments which can occur on a time scale of days. The bulk of the convection zone reacts to maintain hydrostatic equilibrium (though not thermal equilibrium) and causes a luminosity change. While small radius variations will occur, most of the change will be seen in temperature.
Bernard Blake J.
Dearborn David S. P.
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