Northwestern University

Feb
21
Tue 4:00 PM

Nadia Zakamska: Observations of quasar feedback

When: Tuesday, February 21, 2017
4:00 PM - 5:00 PM  

Where: Technological Institute, F160, 2145 Sheridan Road, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Public - Post Docs/Docs - Graduate Students

Contact: Pamela Villalovoz   847.491.3644

Group: Physics and Astronomy Astrophysics Seminars

Category: Academic

More Info

Description:

Title: Observations of quasar feedback


Speaker: Nadia Zakamska, John Hopkins University

Host: Daniel Angles Alcazar

Abstract: Quasars are now thought to have made critical impact on galaxy formation. Feedback from accretion onto supermassive black holes is implicated in establishing the black hole mass vs galaxy bulge correlations and in limiting the maximal mass of galaxies. In this talk, I will review the indirect evidence for quasar feedback as required by galaxy formation models. I will then present recent multi-wavelength observations of powerful quasar-driven winds and outflows on galaxy-wide scales. These data may provide direct observational evidence for one of the long-standing paradigms in galaxy formation.

 

Keywords: Physics, Astronomy, Astrophysics

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