INAF - Astronomical Observatory of Padova

INAF - Astronomical Observatory of Padova is one of the main structures of the National Institute of Astrophysics (INAF). The main activity of the Observatory is to perform scientific research in various  fields of Astrophysics. The Observatory also contributes to  advanced education, assists in the dissemination of knowledge and implements project of education and outreach of Astronomy.

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INAF - Osservatorio Astronomico di Padova


Astropizza - Alessandro Romeo
23.02.2021 - 23.02.2021
INAF - Osservatorio Astronomico di Padova -


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Martedì 23 Febbraio 2021, h. 11:00

virtual meeting


Alessandro Romeo

Disc gravitational instability has a strong impact on galaxy scaling relation



It is well known that gravitational instability is one of the engines behind the dynamics of disc galaxies, where it enters a variety of processes.  Brand new work is demonstrating that disc gravitational instability has even a strong impact on galaxy scaling relations.  In this talk, we will look at the atomic gas-to-stellar and stellar-to-halo mass relations from such a new perspective, we will show that such new diagnostics can be used as critical tests for simulations of galaxy formation and evolution, and we will finally discuss an intriguing astrophysical implication.  Welcome!


INAF - Osservatorio Astronomico di Padova


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