Turbulence in Extended Synchrotron Radio Sources. II. Power-Spectral Analysis

Details Turbulence in Extended Synchrotron Radio Sources. II. Power-Spectral Analysis Turbulence in Extended Synchrotron Radio Sources. II. Power-Spectral Analysis

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98..256e&link_type=abstract

Astronomical Journal v.98, p.256

Astronomy and Astrophysics

Astronomy

16

Radiation Mechanisms, Radio Sources: General

Scientific paper

Extragalactic radio sources are not uniformly filled with luminous plasma; rather, they contain luminous patches and filaments within (or on the surface of) a lower-luminosity plasma. These luminous structures may be fluctuations arising from magnetohydrodynamic turbulence, or they may be a two-phase medium that is the result of some instability. This paper shows that power-spectral analysis of the total and polarized intensity images can be used to derive the power spectra of the synchrotron emissivity, and discusses ways to interpret the spectra in terms of theoretical ideas of the turbulence or instabilities.

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