High-Frequency Polarization Variability from Active Galactic Nuclei
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High-Frequency Polarization Variability from Active Galactic Nuclei

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High-Frequency Polarization Variability from Active Galactic Nuclei

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dc.contributor.author Martí Vidal, Iván
dc.contributor.author Goddi, Ciriaco
dc.date.accessioned 2022-05-19T13:05:36Z
dc.date.available 2022-05-19T13:05:36Z
dc.date.issued 2021
dc.identifier.uri https://hdl.handle.net/10550/82880
dc.description.abstract The linear polarization of non-thermal emission encodes information about the structure of the magnetic fields, either from the region where the emission is produced (i.e., the intrinsic polarization angle) and/or from the screens of magnetized plasma that may be located on its way towards Earth (i.e., the effect of Faraday rotation). In addition, the variability timescale of the polarized emission, or its Faraday rotation, can be used to estimate the size of the region where the emission (or the Faraday rotation) originates. The observation of polarized emission from active galactic nuclei (AGN) and, in particular, its time evolution, also provides information about the critical role that magnetic fields may play in the process of jet launching and propagation. In this paper, we review some recent results about polarization variability from the cores of AGN jets, including observations at high spatial resolutions and/or at high radio frequencies.
dc.language.iso eng
dc.relation.ispartof Galaxies (Basel), 2021, vol. 9, num. 3, p. 51
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Martí Vidal, Iván Goddi, Ciriaco 2021 High-Frequency Polarization Variability from Active Galactic Nuclei Galaxies (Basel) 9 3 51
dc.subject Camps magnètics
dc.subject Astronomia
dc.title High-Frequency Polarization Variability from Active Galactic Nuclei
dc.type info:eu-repo/semantics/article
dc.date.updated 2022-05-19T13:05:36Z
dc.identifier.doi https://doi.org/10.3390/galaxies9030051
dc.identifier.idgrec 153670

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