ORIGINS Guest Talk, Dr. Antonis Georgakakis: Growing supermassive black holes across cosmic time

Cluster Basement Seminar Room, Boltzmannstr. 2, Garching (hybrid)

Cluster Basement Seminar Room, Boltzmannstr. 2, Garching (hybrid)


Dr. Antonis Georgakakis, National Observatory of Athens, Greece, is a guest of Dr. Johannes Buchner, MPE and ODSL Fellow,  and they are working together on the development of benchmark data sets for the robust stellar mass measurement of the host galaxies of bright active galactic nuclei. 



It is now well established that supermassive black holes exist at the

nuclear regions of nearly all massive galaxies. They are believed to grow

their masses by accreting matter from their immediate surroundings. During

this process copious amounts of energy are released and can be observed as

radiation across the electromagnetic spectrum. Galaxies undergoing such a

growth phase of their central supermassive black holes are dubbed Active

Galactic Nuclei (AGN). A challenge of current astrophysical research is to

understand what triggers AGN, i.e. the growth phases of supermassive black

holes, and how such events are associated with the overall evolution of

their host galaxies. In this presentation I will review current ideas on

AGN triggering mechanisms with emphasis on the role of environment (i.e.

the local density of galaxies) in promoting or suppressing the growth of

supermassive black holes at the nuclear regions of galaxies.

Meeting ID: 620 9129 6955

Passcode: 762629


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ORIGINS Excellence Cluster