[Astronomy seminar] Astronomy Department Seminar - April 8th Fernando Buitrago

[Astronomy seminar announcements]

Reminder - Fernando's seminar is in half an hour in FC61 or on Zoom

On 04/04/2022 11:48, Chris Usher wrote:
>
> Hello
>
> On Friday the 8th of April at 10:30, Fernando Buitrago (Valladolid/IA 
> Portugal) will be giving our next seminar. This will be a hybrid 
> seminar - you are welcome to either attend in person in FC61 or via 
> Zoom. After the seminar we will going for lunch with Fernando at 
> Proviant. Fernando will be visiting the department on Thursday and Friday.
>
> *The faintest surface brightness limits of high redshift galaxies*
>
> The Low Surface Brightness (LSB) regime is the last niche for studies 
> of galaxy formation and evolution. It is of outstanding importance for 
> investigating not only the smallest galaxies, but also for the most 
> massive ones. We will review the state-of-the-art of how massive 
> galaxies progressively change their properties over cosmic time, and 
> how LSB describes this mass assembly. Going to the deepest Hubble 
> Space Telescope fields, we will show our latest results looking for 
> galaxy truncations, real galaxy edges whose existence is linked with 
> the gas density threshold for star formation. Therefore, we obtain a 
> new physically-motivated mass-size relation, whereby massive galaxies 
> grow by a factor of two since z = 1 while at the same time increasing 
> by an order of magnitude their stellar density at the truncation 
> position. The retrieval of these galaxy limits will be very beneficial 
> for the study of stellar haloes and also for elucidating dark matter 
> halo sizes. We will also present our future plans for improving all 
> these results by making use of JWST and Euclid forthcoming data.
>
> Thanks
> Chris and Carolina
>
> Christopher Usher is inviting you to a scheduled Zoom meeting.
>
> Topic: Astronomy Department Seminar - Fernando Buitrago
> Time: Apr 8, 2022 10:30 AM Stockholm
>
> Join Zoom Meeting
> https://stockholmuniversity.zoom.us/j/69749792158
>
> Meeting ID: 697 4979 2158
>
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