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Tamela Maciel (Cavendish Astrophysics)
Tuesday 19 November 2013, 16:30-17:00
Tracing Radio Source Evolution through the Radio Power - Linear Size Plane
- đ¤ Speaker: Tamela Maciel (Cavendish Astrophysics)
- đ Date & Time: Tuesday 19 November 2013, 16:30 - 17:00
- đ Venue: Martin Ryle Seminar Room, Kavli Institute
Abstract
There is mounting evidence that mechanical radio-mode AGN feedback is important in galaxy evolution, and in order to quantify this feedback, detailed models of radio lobe evolution are required. Self-similar analytic models exist for large FRII radio sources but the evolution of the young precursor radio sources is not yet fully understood.
This talk will present a dynamical and radiative model for young source evolution (sub-kpc scales) as an extension to existing self-similar models, and discuss the full model in the context of a sample of nearly 100 radio-loud sources. Robust knowledge of the host galaxy properties of this sample allow certain evolutionary tracks to be observationally ruled out in a new method of tracking radio source evolution.
Series This talk is part of the Cavendish Astrophysics Seminars series.
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