A low-frequency study of linear polarization in radio galaxies

V H Mahatma,M J Hardcastle,J Harwood,S P O’Sullivan,G Heald,C Horellou,D J B Smith

Monthly Notices of the Royal Astronomical Society（2021）

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摘要

Radio galaxies are linearly polarized – an important property that allows us to infer the properties of the magnetic field of the source and its environment. However, at low frequencies, Faraday rotation substantially depolarizes the emission, meaning that comparatively few polarized radio galaxies are known at low frequencies. Using the LOFAR Two-metre Sky Survey at 150 MHz and at a resolution of...

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关键词

polarization,radiation mechanisms: non-thermal,techniques: polarimetric,galaxies: active,galaxies: jets

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