[Astro] Astronomy Seminar - 19th November

[Tutku Kolcu (staff)]

Dear all,

For the next seminar (19th November), we are hosting Dr Sean McGee from the University of Birmingham.
Please find his talk abstract below.

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Multi-Scale Pathways to Galaxy Quenching


The big evolutionary change in the life of a galaxy is its transition from a star-forming to a passive state. In this talk, I will discuss several possible physical mechanisms that can induce this transition, each acting in a different regime of galaxy mass and/or large-scale environment. I will discuss how satellite galaxies may lose gas as they slam into the hot medium characterising massive haloes, how massive galaxies may be limited by their ability to accrete gas from the large-scale environment, and how intermediate-mass galaxies may fail to retain their gas after internal explosions. I will describe new progress on each of these mechanisms but highlight the puzzles that stand in the way of a complete understanding. Ultimately, I’ll discuss how new wide-field surveys will deliver answers to these puzzles.

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The seminar will be in the Physics Building C4 at 15:45, followed by the wine and cheese in the usual place.
If you want to join us for lunch or want to arrange a meeting with Sean just let us know.

Best,
Jesse, Luke and Tutku

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