Galactic discs and
gravitational instabilities

A workshop celebrating the career of
Alessandro Romeo

Marstrand Havshotell, Sweden      10-13 June 2025

Confirmed participants
By invitation only
Alessandro Romeo (chair)
Oscar Agertz (chair)
Florent Renaud (chair)
Angela Adamo
Eric Andersson
Cecilia Bacchini
Bruce Elmegreen
Eric Emsellem
Filippo Fraternali
Katarina Kraljic
Pavel Mancera Pina
Sharon Meidt van der Wel
Carlo Nipoti
Francesca Rizzo
Santi Roca-Fabrega
Alvaro Segovia Otero

Schedule

All the talks are 45 minutes long, including questions

Monday 9 June

[Time TBD] Shuttle bus from Gothenburg Central Station to the hotel. Reservation mandatory.

Tuesday 10 June

09.00 Francesca Rizzo
Evolution of massive galaxy disks across cosmic time
09.45 Angela Adamo
Stellar clumps in the JWST era

10.30 Coffee break

11.00 Florent Renaud
Cosmic evolution of disk instabilities
11.45 Carlo Nipoti
Local gravitational instability of stratified rotating fluids

12.30 Lunch and break
16.00 Coffee

16.30 Cecilia Bacchini
A 3D view on the local gravitational instability of cold gas discs in star-forming galaxies at 0 < z < 5
17.15 Discussion

19.00 Dinner

Wednesday 11 June

09.00 Filippo Fraternali
Stability of Ultra-Diffuse Galaxies via N-body and hydrodynamical simulations
09.45 Pavel Mancera Pina
An inventory of the specific angular momentum of disc galaxies

10.30 Coffee break

11.00 Bruce Elmegreen
Power spectra of galaxies: thickness, turbulence, and gravity
11.45 Oscar Agertz
The turbulent ISM from gravity and feedback

12.30 Lunch and break
16.00 Coffee

16.30 Alvaro Segovia Otero
Connecting gravitational instabilities with star formation physics
17.15 Discussion

19.00 Dinner

Thursday 12 June

09.00 Katarina Kraljic
Bars in cosmological context
09.45 Eric Emsellem
The bar cloak of invisibility: growing centres

10.30 Coffee break

11.00 Santi Roca-Fabrega
The nature of spiral arms
11.45 Sharon Meidt van der Wel
The amplification of gas spirals

12.30 Lunch and break
16.45 Coffee

17.15 Discussion

19.00 Dinner

Friday 13 June

09.00 Eric Andersson
Individual stars in high resolution galaxy simulations
09.45 Alessandro Romeo
Shedding light on j: the specific angular momentum of disc galaxies and its connection with galaxy morphology, bar structure and disc gravitational instability

10.30 Coffee break

11.00 Discussion
11.45 Conference summary

12.30 Lunch
14.00 Shuttle bus to Gothenburg Central station (reservation mandatory)

Venue

Marstrand Havshotell
Varvskajen 2
442 66 Marstrand, Sweden

https://marstrands.se/

This meeting is proudly sponsored by the Knut and Alice Wallenberg Foundation

Alessandro's Fest      10-13 June 2025      Marstrand, Sweden