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DTSTART:20070311T020000
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DTSTAMP:20230901T111423
DTSTART;TZID=America/Detroit:20230907T153000
DTEND;TZID=America/Detroit:20230907T162000
SUMMARY:Lecture / Discussion:Department of Astronomy 2023-2024 Colloquium Series Presents:
DESCRIPTION:“Black Hole Masses in Massive Halos”\n\nWhether or not the mass of a supermassive black hole (MBH) is causally linked to the mass of the halo around it (Mhalo) has been hotly debated for at least two decades. I will present evidence supporting a direct proportionality between MBH and the binding energy of the halo’s baryons that extends from Milky Way scales up to at least Mhalo ~ 10^14 MSun. That relationship is consistent with models of black-hole feedback that rely on cumulative kinetic energy injection to quench star formation by lifting the halo’s baryons. I will also show why some cosmological simulations do not reproduce the observed MBH-Mhalo relationship\, even though baryon lifting through cumulative kinetic energy injection appears to be what quenches star formation in those simulations.\n\nhttps://gmvoit.org/
UID:111355-21826900@events.umich.edu
URL:https://events.umich.edu/event/111355
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:colloquium
LOCATION:West Hall - 411
CONTACT:
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