Using SKA rotation measures to reveal the mysteries of the magnetised universe

Johnston Hollitt Melanie; Federica Govoni; Rainer Beck; Siamak Dehghan; Luke Pratley; Takuya Akahori; George Heald; Ivan Agudo; Annalisa Bonafede; Ettore Carretti; Tracy Clarke; Sergio Colafrancesco; Torsten Enßlin; Luigina Feretti; Bryan Gaensler; Marijke Haverkorn; Sui Ann Mao; Niels Oppermann; Lawrence Rudnick; Anna Scaife; Dominic Schnitzeler; Jeroen Stil; A. Russ Taylor; Valentina Vacca

Using SKA rotation measures to reveal the mysteries of the magnetised universe

Johnston Hollitt Melanie, Federica Govoni, Rainer Beck, Siamak Dehghan, Luke Pratley, Takuya Akahori, George Heald, Ivan Agudo, Annalisa Bonafede, Ettore Carretti, Tracy Clarke, Sergio Colafrancesco, Torsten Enßlin, Luigina Feretti, Bryan Gaensler, Marijke Haverkorn, Sui Ann Mao, Niels Oppermann, Lawrence Rudnick, Anna ScaifeDominic Schnitzeler, Jeroen Stil, A. Russ Taylor, Valentina Vacca

Minnesota Institute for Astrophysics

Research output: Contribution to journal › Conference article › peer-review

Abstract

We know that magnetic fields are pervasive across all scales in the Universe and over all of cosmic time and yet our understanding of many of the properties of magnetic fields is still limited. We do not yet know when, where or how the first magnetic fields in the Universe were formed, nor do we fully understand their role in fundamental processes such as galaxy formation or cosmic ray acceleration or how they influence the evolution of astrophysical objects. The greatest challenge to addressing these issues has been a lack of deep, broad bandwidth polarimetric data over large areas of the sky. The Square Kilometre Array will radically improve this situation via an allsky polarisation survey that delivers both high quality polarisation imaging in combination with observations of 7-14 million extragalactic rotation measures. Here we summarise how this survey will improve our understanding of a range of astrophysical phenomena on scales from individual Galactic objects to the cosmic web.

Original language	English (US)
Article number	092
Journal	Proceedings of Science
Volume	9-13-June-2014
State	Published - 2014
Event	Advancing Astrophysics with the Square Kilometre Array, AASKA 2014 - Giardini Naxos, Italy Duration: Jun 9 2014 → Jun 13 2014

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Melanie, J. H., Govoni, F., Beck, R., Dehghan, S., Pratley, L., Akahori, T., Heald, G., Agudo, I., Bonafede, A., Carretti, E., Clarke, T., Colafrancesco, S., Enßlin, T., Feretti, L., Gaensler, B., Haverkorn, M., Mao, S. A., Oppermann, N., Rudnick, L., ... Vacca, V. (2014). Using SKA rotation measures to reveal the mysteries of the magnetised universe. Proceedings of Science, 9-13-June-2014, Article 092.

Melanie, JH, Govoni, F, Beck, R, Dehghan, S, Pratley, L, Akahori, T, Heald, G, Agudo, I, Bonafede, A, Carretti, E, Clarke, T, Colafrancesco, S, Enßlin, T, Feretti, L, Gaensler, B, Haverkorn, M, Mao, SA, Oppermann, N, Rudnick, L, Scaife, A, Schnitzeler, D, Stil, J, Taylor, AR & Vacca, V 2014, 'Using SKA rotation measures to reveal the mysteries of the magnetised universe', Proceedings of Science, vol. 9-13-June-2014, 092.

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abstract = "We know that magnetic fields are pervasive across all scales in the Universe and over all of cosmic time and yet our understanding of many of the properties of magnetic fields is still limited. We do not yet know when, where or how the first magnetic fields in the Universe were formed, nor do we fully understand their role in fundamental processes such as galaxy formation or cosmic ray acceleration or how they influence the evolution of astrophysical objects. The greatest challenge to addressing these issues has been a lack of deep, broad bandwidth polarimetric data over large areas of the sky. The Square Kilometre Array will radically improve this situation via an allsky polarisation survey that delivers both high quality polarisation imaging in combination with observations of 7-14 million extragalactic rotation measures. Here we summarise how this survey will improve our understanding of a range of astrophysical phenomena on scales from individual Galactic objects to the cosmic web.",

author = "Melanie, {Johnston Hollitt} and Federica Govoni and Rainer Beck and Siamak Dehghan and Luke Pratley and Takuya Akahori and George Heald and Ivan Agudo and Annalisa Bonafede and Ettore Carretti and Tracy Clarke and Sergio Colafrancesco and Torsten En{\ss}lin and Luigina Feretti and Bryan Gaensler and Marijke Haverkorn and Mao, {Sui Ann} and Niels Oppermann and Lawrence Rudnick and Anna Scaife and Dominic Schnitzeler and Jeroen Stil and Taylor, {A. Russ} and Valentina Vacca",

note = "Publisher Copyright: {\textcopyright} Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.; Advancing Astrophysics with the Square Kilometre Array, AASKA 2014 ; Conference date: 09-06-2014 Through 13-06-2014",

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T1 - Using SKA rotation measures to reveal the mysteries of the magnetised universe

AU - Melanie, Johnston Hollitt

AU - Govoni, Federica

AU - Beck, Rainer

AU - Dehghan, Siamak

AU - Pratley, Luke

AU - Akahori, Takuya

AU - Heald, George

AU - Agudo, Ivan

AU - Bonafede, Annalisa

AU - Carretti, Ettore

AU - Clarke, Tracy

AU - Colafrancesco, Sergio

AU - Enßlin, Torsten

AU - Feretti, Luigina

AU - Gaensler, Bryan

AU - Haverkorn, Marijke

AU - Mao, Sui Ann

AU - Oppermann, Niels

AU - Rudnick, Lawrence

AU - Scaife, Anna

AU - Schnitzeler, Dominic

AU - Stil, Jeroen

AU - Taylor, A. Russ

AU - Vacca, Valentina

N1 - Publisher Copyright: © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.

PY - 2014

Y1 - 2014

N2 - We know that magnetic fields are pervasive across all scales in the Universe and over all of cosmic time and yet our understanding of many of the properties of magnetic fields is still limited. We do not yet know when, where or how the first magnetic fields in the Universe were formed, nor do we fully understand their role in fundamental processes such as galaxy formation or cosmic ray acceleration or how they influence the evolution of astrophysical objects. The greatest challenge to addressing these issues has been a lack of deep, broad bandwidth polarimetric data over large areas of the sky. The Square Kilometre Array will radically improve this situation via an allsky polarisation survey that delivers both high quality polarisation imaging in combination with observations of 7-14 million extragalactic rotation measures. Here we summarise how this survey will improve our understanding of a range of astrophysical phenomena on scales from individual Galactic objects to the cosmic web.

AB - We know that magnetic fields are pervasive across all scales in the Universe and over all of cosmic time and yet our understanding of many of the properties of magnetic fields is still limited. We do not yet know when, where or how the first magnetic fields in the Universe were formed, nor do we fully understand their role in fundamental processes such as galaxy formation or cosmic ray acceleration or how they influence the evolution of astrophysical objects. The greatest challenge to addressing these issues has been a lack of deep, broad bandwidth polarimetric data over large areas of the sky. The Square Kilometre Array will radically improve this situation via an allsky polarisation survey that delivers both high quality polarisation imaging in combination with observations of 7-14 million extragalactic rotation measures. Here we summarise how this survey will improve our understanding of a range of astrophysical phenomena on scales from individual Galactic objects to the cosmic web.

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AN - SCOPUS:84979022769

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T2 - Advancing Astrophysics with the Square Kilometre Array, AASKA 2014

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ER -

Using SKA rotation measures to reveal the mysteries of the magnetised universe

Abstract

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