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Convective Overshooting in the Solar Photosphere; a model Granular Velocity Field
Published online by Cambridge University Press: 15 February 2018
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The solar granulation, with its horizontal temperature fluctuations, and its associated velocity field, is a consequence of overshooting convective motions. Theoretical estimates of the magnitude of the temperature fluctuations and mass fluxes involved were obtained in a recent paper (Nordlund, 1976, Astronomy & Astrophys. 50, 23). Here, a simple model of the instantaneous granular velocity field is presented, and the effects of this velocity field on photospheric spectral lines are described.
- Type
- VI. Penetration
- Information
- International Astronomical Union Colloquium , Volume 38: Problems of Stellar Convection , 1977 , pp. 237 - 238
- Copyright
- Copyright © 1976
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