Connections between jet physics and the properties of radio-loud and radio-quiet galaxies |
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| Institution: | 1. Department of Physics & Astronomy, Wayne State University, 666 W. Hancock Street, Detroit, MI 48201, USA;2. Department of Physics & Astronomy, Georgia State University, Atlanta, GA 30303, USA;3. MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA 02139, USA;1. Inserm, U1043, Toulouse, France;2. CNRS, U5282, Toulouse, France;3. Université de Toulouse, Université Paul Sabatier, Centre de Physiopathologie de Toulouse Purpan (CPTP), Toulouse, France;4. Inserm U1048, Toulouse, France;5. Lipidomic Core Facility, Metatoul Platform, Université de Toulouse, Université Paul Sabatier, Toulouse, France;6. Monash Institute of Pharmaceutical Sciences, Parkville, Victoria, Australia;7. Department of Anatomy and Neuroscience, The University of Melbourne, Parkville, Victoria, Australia;8. Division of Neurology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;9. Ambiotis SAS, Toulouse, France;10. Departments of Internal Medicine and Gastroenterology, University of Bologna, Bologna, Italy;11. Department of Pharmacology, The University of Melbourne, Parkville, Victoria, Australia;12. University of Calgary, Department of Pharmacology and Physiology, Calgary, Alberta, Canada |
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| Abstract: | Relationships between jet physics and the evolutionary phases of radio galaxies are discussed. This includes the connection between the properties of relativistic jets and the Fanaroff–Riley classes of radio galaxies and the interaction of jets with the interstellar medium in Gigahertz Peak Spectrum and Compact Steep Spectrum Radio Sources. Jets in Seyfert galaxies are compared with those in classical radio galaxies and recent work suggesting that there are major differences between the two types of jets is summarized. The proposed major differences are principally that Seyfert jets are thermally dominated with subrelativistic speeds whereas Radio Galaxy jets are relativistic electron/positron flows. Hence, the production of jets in Seyferts and radio galaxies are fundamentally different. |
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