The horizontal variation of temperature in the low solar photosphere

Details The horizontal variation of temperature in the low solar photosphere The horizontal variation of temperature in the low solar photosphere

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976soph...47..517a&link_type=abstract

Solar Physics, vol. 47, Apr. 1976, p. 517-523.

Physics

17

Photosphere, Solar Granulation, Solar Temperature, Amplitudes, Benard Cells, Brightness Temperature, Spatial Distribution, Stellar Models

Scientific paper

Observations of rms intensity fluctuations in the continuum obtained from white-light photographs made with the Soviet Stratospheric Solar Observatory are analyzed to obtain a horizontal temperature-fluctuation amplitude as a function of depth. The results indicate that temperature fluctuations increase with depth monotonically from a small value at a 5000-A optimal depth of approximately 0.5. The initial rise in temperature fluctuations appears quite steep, having a slope of approximately 20 K/km. The model of Wilson (1969) is incompatible with the data. Convective flux in the present model is approximately 6% of the total flux at a 5000-A optical depth of unity.

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