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Hi Everyone,</div>
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I'm still looking for some people (faculty, students, or postdocs) to join for lunch with our seminar speaker, Jon Davies, tomorrow. We'll be going to Lakeside Arts at ~1pm. If you're interested in joining, please let me know! </div>
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In peace,</div>
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Jesse</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Jesse Golden-Marx (staff)<br>
<b>Sent:</b> Monday, March 3, 2025 1:38 PM<br>
<b>To:</b> capt@nottingham.ac.uk <capt@nottingham.ac.uk><br>
<b>Subject:</b> Seminar 5/3: Dr. Jon Davies (Liverpool John Moores)</font>
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Hi Everyone,</div>
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I just wanted to remind you all about this week's seminar with Dr. Jon Davies from Liverpool John Moores who will be telling us about his simulation research on the formation of Milky Way like galaxies (see title and abstract below). Jon will be arriving
in the later morning on Wednesday and then visiting the department on Thursday morning. So, if you're interested in chatting with him while he's visiting, please let us know. </div>
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Following the seminar, we will have wine and cheese. </div>
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Timings are as usual:<br>
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- lunch at Lakeside, leaving CAPT ~13:00 (subsidized for a limited number of students -- let me know before the end of the day tomorrow)</div>
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- meet the speaker for postgrads at 15:00, finishing at 15:30</div>
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- seminar at <b>15:45 in C4</b></div>
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- post-seminar wine and cheese at 16:45<br>
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This seminar will be conducted in person only. </div>
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Cheers,</div>
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Jesse and Luke </div>
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<span style="font-family:Aptos,sans-serif; font-size:12pt; color:black">Title: The origins of galaxy diversity in cosmological simulations</span></p>
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<span style="font-family:Aptos,sans-serif; font-size:12pt; color:black"><i> </i></span></p>
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<span style="font-family:Aptos,sans-serif; font-size:12pt; color:black">Abstract: In the latest generation of cosmological simulations, the properties of Milky Way-like galaxies are shaped by how they interact with the gas reservoirs in their host haloes -
the circumgalactic medium (CGM). In my talk I will explore how the galaxies in these simulations transform the content and properties of their CGM through feedback, and in turn, how the properties of the CGM determine the future evolution of galaxies. In particular,
I will focus on how the fates of Milky Way-like galaxies are set by the growth histories of their central supermassive black holes (SMBHs); the growth of an over-massive SMBH causes the majority of the CGM to be expelled by AGN feedback, preventing the “refuelling”
of the galaxy and leading to quenching, whilst the growth of an under-massive SMBH allows star formation to continue. These differences in SMBH growth therefore play a crucial role in establishing the diversity of galaxy properties in haloes of similar mass
in these simulations, and so I will devote the rest of my talk to exploring why these differences exist. I will present the results of several controlled galaxy formation experiments, performed with the EAGLE model using carefully modified initial conditions,
that have given us new insight into how SMBH growth is shaped by the assembly history of the host galaxy and halo, and revealed the essential role that galaxy mergers play in producing the star formation bimodality in cosmological simulations.</span></p>
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<b>Jesse Golden-Marx, Ph.D.</b></div>
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<b>Senior Research Associate</b></div>
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Centre for Astronomy & Particle Theory</div>
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School of Physics & Astronomy</div>
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University of Nottingham</div>
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University Park, Nottingham, UK</div>
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