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Huub Rottgering (Leiden Observatory)
Tuesday 14 October 2014, 16:30-17:30
The formation and evolution of galaxy clusters and proto-clusters: Recent results from optical, IR, X-ray and LOFAR radio studies
- 👤 Speaker: Huub Rottgering (Leiden Observatory)
- 📅 Date & Time: Tuesday 14 October 2014, 16:30 - 17:30
- 📍 Venue: Sackler Lecture Theatre, IoA (tea at 4.00 pm)
Abstract
Galaxy clusters are unique laboratories to study some of the most fundamental questions in astrophysics, related to the formation and evolution of galaxies, the physics of particle acceleration, the generation of magnetic fields, the growth of large-sale structure, and cosmology. We will present radio, optical and X-ray observations of diffuse radio emission from the Toothbrush and Sausage clusters that will delineate how cluster merger shocks accelerate particles to relativistic speeds and shape the evolution of cluster galaxies. The ancestors of local galaxy clusters (‘proto-clusters’) are powerful laboratories for tracing the emergence of large scale structure and studying the evolution of galaxies in dense environments. These structure that at z LOFAR that is opening the ultra-low frequency radio sky to sensitive astronomical observations. First results on clusters will be presented.
Series This talk is part of the Cambridge Astrophysics Joint Colloquia series.
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