Browsing by Author "Turner, Ross"

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    • Are Odd Radio Circles phoenixes of powerful radio galaxies? 

      Shabala, Stanislav; Yates-Jones, Patrick; Jerrim, Larissa; Turner, Ross; Krause, Martin; Norris, Ray; Koribalski, Baerbel; Filipovic, Miroslav; Rudnick, Larry; Power, Chris; Crocker, Roland (2024-03-05)
      Odd Radio Circles (ORCs) are a class of low surface brightness, circular objects approximately one arcminute in diameter. ORCs were recently discovered in the Australian Square Kilometre Array Pathfinder (ASKAP) data, and ...

    • Delayed triggering of radio Active Galactic Nuclei in gas-rich minor mergers in the local Universe 

      Shabala, Stanislav; Deller, Adam; Kaviraj, Sugata; Middelberg, Enno; Turner, Ross; Ting, Yuan-Sen; Allison, James; Davis, Tim (2017-02-01)
      We examine the processes triggering star formation and Active Galactic Nucleus (AGN) activity in a sample of 25 low redshift ($z 10^7$ K) brightness temperature required for an mJIVE-20 detection allows us to unambiguously ...

    • The duty cycle of radio galaxies revealed by LOFAR : remnant and restarted radio source populations in the Lockman Hole 

      Shabala, Stanislav; Jurlin, Nika; Morganti, Raffaella; Brienza, Marisa; Hardcastle, Martin; Godfrey, Leith; Krause, Martin; Turner, Ross (2020-08)
      Feedback from radio jets associated with Active Galactic Nuclei (AGN) plays a profound role in the evolution of galaxies. Kinetic power of these radio jets appears to show temporal variation, but the mechanism(s) responsible ...