Estimation of Magnetic Field in the Solar Coronal Streamers Through Low Frequency Radio Observations

Details Estimation of Magnetic Field in the Solar Coronal Streamers Through Low Frequency Radio Observations Estimation of Magnetic Field in the Solar Coronal Streamers Through Low Frequency Radio Observations

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010apj...711.1029r&link_type=abstract

The Astrophysical Journal, Volume 711, Issue 2, pp. 1029-1032 (2010).

Astronomy and Astrophysics

Astronomy

8

Sun: Activity, Sun: Corona, Sun: Magnetic Topology, Sun: Radio Radiation

Scientific paper

The observations of circularly polarized thermal radio emission from solar coronal streamers at two low frequencies, viz., 77 and 109 MHz, are used to estimate the magnetic field strength (B) at their corresponding radial distances r≈ 1.7 and 1.5 solar radii given by the electron density model of Newkirk. The estimated values of B at the above two distances are ≈5 ± 1 G and 6 ± 2 G, respectively.

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