Seminar @ DF-AS - M. Hirschmann - The impact of energetic phenomena on the evolution of galaxies

A theoretical perspective

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Event taking place on

Event starting on:

06/08/2016 - 11:30

Event until:

06/08/2016 - 12:30

Event publish date

Published on:

06/07/2016

Campus:

Trieste

We present new insights from advanced semi-analytic models (SAMs)

and modern cosmological simulations indicating a much

more complex interplay between different feedback processes

and galaxy evolution than traditionally anticipated. Both, SAMs

and large-scale simulations are successful in producing realistic

global galaxy populations e.g. capturing the observed anti-hierarchical

trend in galaxy growth. For that, stellar feedback can play an important

role for regulating the gas content in low-mass galaxies, particularly at

high redshifts. Employing advanced high-resolution zoom simulations,

we can confirm and extend previous results that different AGN feedback

mechanisms can strongly affect the kinematics, stellar content and

circum-galactic medium of massive galaxies, e.g. by driving strong

gaseous outflows and regulating their insitu star formation. But contrary

to the traditional picture, galactic winds from SN explosions and massive

stars are also crucial for the stellar mass assembly of massive galaxies,

not only significantly delaying early insitu star formation but also strongly

affecting the accreted stellar populations at large radii. Successes and

limitations of most recent models and perspectives for future

improvements will be given.

Venue:

Villa Bazzoni

Contacts:

Gabriella De Lucia

Last update: 06-07-2016 - 09:53