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Radio spectra of synchrotron sources with spherical symmetry
Authors:You Jun-han
Affiliation:

University of Science and Technology of China, China

Yunnan Observatory, China

Abstract:This paper deals with the radio spectra of synchrotron sources with spherically symmetric non-homogeneities. It is pointed out that the Type-c spectra can be produced by such a non-homogeneity even if the source is optically thin. This model is particularly advantageous in interpreting sources with no compact characteristics and yet showing a Type-c spectrum, and the observed decrease in source size with increasing frequency. In addition, it is possible to give a uniform interpretation of the four spectral types on the basis of such a non-homogeneity.
Keywords:
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