A low frequency study of linear polarization in radio galaxies

no code implementations • 22 Dec 2020 • Vijay H. Mahatma, Martin J. Hardcastle, Jeremy Harwood, Shane P. O'Sullivan, George Heald, Cathy Horellou, Daniel J. B. Smith

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.

Selection bias Astrophysics of Galaxies

A Flare-Type IV Burst Event from Proxima Centauri and Implications for Space Weather

no code implementations • 8 Dec 2020 • Andrew Zic, Tara Murphy, Christene Lynch, George Heald, Emil Lenc, David L. Kaplan, Iver H. Cairns, David Coward, Bruce Gendre, Helen Johnston, Meredith MacGregor, Danny C. Price, Michael S. Wheatland

Solar type IV bursts are strongly associated with space weather events such as coronal mass ejections and solar energetic particle events, suggesting that stellar type IV bursts may be used as a tracer of stellar coronal mass ejections.

Solar and Stellar Astrophysics

Magnetism Science with the Square Kilometre Array

no code implementations • 5 Jun 2020 • George Heald, Sui Ann Mao, Valentina Vacca, Takuya Akahori, Ancor Damas-Segovia, B. M. Gaensler, Matthias Hoeft, Ivan Agudo, Aritra Basu, Rainer Beck, Mark Birkinshaw, Annalisa Bonafede, Tyler L. Bourke, Andrea Bracco, Ettore Carretti, Luigina Feretti, J. M. Girart, Federica Govoni, James A. Green, JinLin Han, Marijke Haverkorn, Cathy Horellou, Melanie Johnston-Hollitt, Roland Kothes, Tom Landecker, Blazej Nikiel-Wroczynski, Shane P. O'Sullivan, Marco Padovani, Frederick Poidevin, Luke Pratley, Marco Regis, Christopher John Riseley, Tim Robishaw, Lawrence Rudnick, Charlotte Sobey, Jeroen M. Stil, Xiaohui Sun, Sharanya Sur, A. Russ Taylor, Alec Thomson, Cameron L. Van Eck, Franco Vazza, Jennifer L. West, the SKA Magnetism Science Working Group

The Square Kilometre Array (SKA) will answer fundamental questions about the origin, evolution, properties, and influence of magnetic fields throughout the Universe.

Astrophysics of Galaxies Instrumentation and Methods for Astrophysics