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Center for Astrophysics Research and Technologies Seminar Series Information

 

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The neighbourhoods and lifecycles of radio galaxies

Thursday April 25, 2019
2:00 pm


 Presenter:  Anna Kapinska (NRAO)
 Series:  Center for Astrophysics Research and Technologies Seminar Series
 Abstract:  The activity of radio galaxies is now understood as a key ingredient in the evolution of galaxies and galaxy clusters across cosmic time, yet there are still many unknowns regarding the kinetic AGN feedback, and the lives and growth of these radio sources. In this talk I will focus on two aspects of this broad subject: the final life stages of radio galaxies (relic radio galaxies), and the interaction of radio galaxies with their environments as imprinted on their radio morphology (hybrid morphology and asymmetric radio sources). Although detailed analyses of these rare radio sources come predominantly from dedicated extensive follow up programs, which I will present in this talk, the sources were preselected from all-sky radio surveys. I will discuss the need of new, deep, wide-field versatile radio galaxy samples from the new generation radio facilities, and the importance - as well as recent results - of citizen science projects and emerging machine learning algorithms in the classifications of radio sources from large all-sky radio surveys.
 Host:  Gregory Taylor
 Location:  Room 190, Physics & Astronomy

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