The radiative relaxation time in the chromosphere

Details The radiative relaxation time in the chromosphere The radiative relaxation time in the chromosphere

Oct 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978soph...59..293g&link_type=abstract

Solar Physics, vol. 59, Oct. 1978, p. 293-311.

Physics

24

Chromosphere, Emission Spectra, Line Spectra, Radiant Cooling, Relaxation Time, Solar Spectra, Atmospheric Models, Photosphere, Solar Atmosphere

Scientific paper

The cooling effect of emission in the spectral lines, which dominates over continuous emission in the chromosphere and becomes important first around the temperature minimum, modifies greatly the radiative relaxation time in the solar atmosphere. This rises from low photospheric values to a maximum of approximately 8 min just above T-min, falls in the low chromosphere to approximately 1.5 min because of line emission, but rises again to approximately 6 min at T approximately 7000-8400 K in the chromosphere where hydrogen ionization increases the specific heat.

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