Broadband polarimetry with the Square Kilometre Array : a unique astrophysical probe

B. M. Gaensler, Ivan Agudo, Takuya Akahori, Julie Banfield, Rainer Beck, Ettore Carretti, Jamie Farnes, Marijke Haverkorn, George Heald, David Jones, Thomas Landecker, Sui Ann Mao, Ray Norris, Shane O'Sullivan, Lawrence Rudnick, D. Schnitzeler, Nicholas Seymour, Xiaohui Sun

Research output: Chapter in Book / Conference PaperConference Paperpeer-review

3 Citations (Scopus)

Abstract

Faraday rotation of polarised background sources is a unique probe of astrophysical magnetic fields in a diverse range of foreground objects. However, to understand the properties of the polarised sources themselves and of depolarising phenomena along the line of sight, we need to complement Faraday rotation data with polarisation observations over very broad bandwidths. Just as it is impossible to properly image a complex source with limited u-v coverage, we can only meaningfully understand the magneto-ionic properties of polarised sources if we have excellent coverage in λ2-space. We here propose a set of broadband polarisation surveys with both SKA1 and SKA2, which will provide a singular set of scientific insights on the ways in which galaxies and their environments have evolved over cosmic time.
Original languageEnglish
Title of host publicationAdvancing Astrophysics with the Square Kilometre Array, AASKA 2014, 9-13 June, 2014, Giardini Naxos, Italy
PublisherInternational School of Advanced Studies
Number of pages12
Publication statusPublished - 2014
EventAdvancing Astrophysics with the Square Kilometre Array_AASKA 2014 -
Duration: 9 Jun 2014 → …

Publication series

Name
ISSN (Print)1824-8039

Conference

ConferenceAdvancing Astrophysics with the Square Kilometre Array_AASKA 2014
Period9/06/14 → …

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