Coronal Magnetic Field Measurements Through Bremsstrahlung Emission

  • G.B. Gelfreikh
Part of the Astrophysics and Space Science Library book series (ASSL, volume 314)


Basic concepts are presented of the theory of thermal bremsstrahlung in the anisotropic plasma of the solar atmosphere. Formulas are given describing the polarization resulting from the solar magnetic field, from which the longitudinal component of the magnetic field can be found through analysis of the polarization spectra of the thermal radio emission. The application of the method is illustrated with examples pertaining to solar faculae, prominences, coronal holes and coronal loops. The observations were carried with large, modern radio telescopes such as the Nobeyama Radioheliograph (Japan) and the RATAN-600 (Russia).


Spectral Index Brightness Temperature Radio Emission Coronal Hole Circular Polarization 
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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • G.B. Gelfreikh
    • 1
  1. 1.Central (Pulkovo) Astronomical Observatory RASSt.PetersburgRussia

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