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Astrophysical and Planetary Sciences Colloquium
Monday, February 01, 2016 at 4:00 PM JILA Auditorium Megan Donahue, Michigan State Univ. "Precipitation and Galaxy Evolution"  Abstract:In massive galaxies and in clusters of galaxies, the thermodynamic state of the circumgalactic gas seems to regulate whether or not star formation is occurring in the central galaxy. I will discuss the observational evidence for this claim. I will also discuss implications for lower mass galaxies if regulation via precipitation triggering plays an important role in those galaxies as well. Physical predictions of this model will be presented.
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