Structure of convective motions in the solar photosphere

Computer Science

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Scientific paper

Solving the inverse non-equilibrium radiative transfer problem with subsequent k -ω and phase filtering, we investigated the convective field of the temperature and velocities as well as their energetics. We revealed small-scale inhomogeneities in the middle photosphere and the temperature inversion of large convective flows in the middle and upper photosphere layers. Power spectrum of the velocity variations of convective flows decreases with height monotonously. The maximum of the temperature variation power is concentrated in the lower photosphere; the power decreases with height, reaching the minimum at the beginning of the overshooting convection region; in the middle and upper photosphere the power of the variations grows up again, and that is due to temperature inversion and formation of a small-scale component. The temperature inversion and small-scale inhomogeneities are of convective origin.

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