Conductive flux in flaring solar chromospheres deduced from the linear polarization observations

Details Conductive flux in flaring solar chromospheres deduced from the linear polarization observations Conductive flux in flaring solar chromospheres deduced from the linear polarization observations

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...119..233h&link_type=abstract

Astronomy and Astrophysics, vol. 119, no. 2, Mar. 1983, p. 233-238.

Astronomy and Astrophysics

Astrophysics

25

Chromosphere, Conductive Heat Transfer, Heat Flux, Linear Polarization, Solar Flares, Solar Spectra, Atomic Excitations, Electron Beams, Energy Transfer, H Alpha Line, Velocity Distribution

Scientific paper

The linear polarization of Hα and S I 1437 Å lines produced in impact excitation by energetic electrons with an anisotropic velocity distribution function during solar flares is calculated. Selecting a function which represents the velocity distribution of electrons carrying heat flux, the relationship between conductive heat flux and linear line polarization has been computed.
The application of the relationship between linear polarization and heat flux to the observed degree of polarization leads to the determination of the conductive heat flux at the top of flaring chromospheric layers. This conductive flux is of the order of magnitude of the total radiation loss in the chromosphere and below, which is also of the order of magnitude of the conductive flux in the transition zone.

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