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Active Galactic Nuclei and Tidal Disruption Events

Philip Short

A tale of hungry black holes and unfortunate stars. At the centre of every galaxy lies a supermassive black hole. Some of these black holes are in an 'active' state, pulling in a steady stream of material from the surrounding area. While in this state these black holes have a significant effect on their host galaxy's evolution. Other supermassive black holes, like the one at the centre of the Milky Way, are dormant. But even dormant black holes will occasionally feast on an unsuspecting star that strays a little too close...

Image Credit: Guillochon, J. et al, 2014, ApJ, 783, 23