Open Access

Fig. 12.


Faraday depolarization between the S-band (2–4 GHz) and the X-band (8.35 GHz), and between the L-band (1–2 GHz) and the X-band in M 51 as a function of radius in rings of 20″ radial width. The depolarization was calculated by the ratio of the degrees of polarization at the corresponding frequencies, where DP = 1 means no depolarization and DP = 0 means total depolarization.

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