| Description: | Wide-band radio polarimetry is a unique probe of magnetized gas in galaxies. Faraday rotation and depolarization effects can be used to derive both large-scale and small-scale magnetic field properties. In this talk, I will present new Jansky Very Large Array polarization observations of the Whirlpool galaxy (see image above) and what they tell us about the large-scale magnetic field and turbulence in M51's halo. In addition, I will describe on-going efforts to measure magnetic fields in HVCs and interacting galaxies. |
