AST Colloquium: Pairs of Supermassive Black Hole
Pairs of Supermassive Black Hole
Dr. Kayhan Gultekin
Assistant Professor of Astronomy
University of Michigan
Dr. Gultekin will review the case for supermassive black holes as active players in the universe, focusing on the black hole outflows.
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Abstract:
Supermassive black holes, once thought to be theoretical novelties, are now considered to play a major role in many astrophysical phenomena including galaxy evolution. Now that we live in the era of gravitational wave observations, it is interesting to look forward to a time when we can detect gravitational waves from supermassive black hole coalescence. A major question remains: Do supermassive black holes merge? Dr. Gultekin will review the case for supermassive black holes as active players in the universe, focusing on the black hole outflows. Then he will concentrate on his group’s recent work searching for dual and binary supermassive black holes along with recent developments: (1) closer inspection of time-domain-identified binary candidates; (2) a Bayesian framework for determining duality in a Chandra observation; and (3) spectroscopic and time-domain identification of low-mass-ratio binaries.
Speaker Bio:
Dr. Kayhan Gultekin is an assistant professor of Astronomy at the University of Michigan, where he conducts observational and theoretical research on supermassive black holes. He is known for his work on black hole demographics and finding pairs of active galactic nuclei.
Intended Audience:
All are welcome. Those with interest in the topic.
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Event Snapshot
When and Where
Who
Open to the Public
Interpreter Requested?
No