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<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:Aptos">Monday 2<sup>nd</sup> December at 3pm, A113 CAPT – Theoretical Physics Student Seminar<o:p></o:p></span></b></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">Benjamin Muntz</span><o:p></o:p></p>
<p class="xmsonormal"><i><span style="font-size:12.0pt;font-family:Aptos;color:black">Exploration in the Swampland<o:p></o:p></span></i></p>
<p class="xmsonormal"><span style="font-size:16.0pt;font-family:Aptos">---<o:p></o:p></span></p>
<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:Aptos">Tuesdays at 11am, CAPT Foyer – Astro Coffee</span></b><br>
<b><span style="font-size:16.0pt;font-family:Aptos"> </span></b><o:p></o:p></p>
<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:Aptos">Tuesday 3<sup>rd</sup> December at 1pm, A113 CAPT – Particle Cosmology and Gravity Seminar</span></b><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">Emma Albertini (Imperial)<o:p></o:p></span></p>
<p class="xmsonormal"><i><span style="font-size:12.0pt;font-family:Aptos;color:black">Gravity, scattering amplitudes<o:p></o:p></span></i></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Aptos">---</span><span style="font-family:Aptos"><o:p></o:p></span></p>
<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:Aptos">Wednesday 4<sup>th</sup> December at 3.45pm, C4 Physics – Astronomy Weekly Seminar</span></b><span style="font-family:Aptos"><o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">Francesco D’Eugenio (Kavli, Cambridge)<br>
<i>Feedback and quenching at high redshift through JADES and GA-NIFS</i><o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black"><o:p> </o:p></span></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">How galaxies stop forming new stars (quenching) is one of the major open problems in astrophysics.<o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">Large spectroscopy survey at z~0-1 have enabled tremendous progress in this field, highlighting the role of AGN in queching massive galaxies.<o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">But the advent of JWST is providing new and stringent constraints on the physical processes responsible for quenching, challenging our picture of galaxy formation and quenching.<o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">I will start by presenting new results from JWST NIRSpec integral-field spectroscopy of massive, post-starburst galaxies at z~3-5, revealing stellar rotation, a gas-rich CGM,
and ongoing AGN feedback. I will then move to lower-mass systems at higher redshifts (possible progenitors) showing evidence of ongoing AGN feedback. I will then discuss internal feedback mechanisms and the open questions about the transition between stochastic
star-formation histories and long-term quenching.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:"Aptos Display"">---<o:p></o:p></span></p>
<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:"Aptos Display"">Thursday 5<sup>th</sup> December at 1pm, A113 CAPT – Astronomy Lunch Talk</span></b><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">Zoe Le Conte (Durham)<o:p></o:p></span></p>
<p class="xmsonormal"><i><span style="font-size:12.0pt;font-family:Aptos;color:black">A JWST investigation into the bar fraction at high redshifts
</span></i><i><span style="font-size:12.0pt;font-family:"Cambria Math",serif;color:black">𝑧</span></i><i><span style="font-size:12.0pt;font-family:Aptos;color:black"> > 1</span></i><i><span style="font-size:12.0pt;font-family:Aptos;color:black"><o:p></o:p></span></i></p>
<p class="xmsonormal"><i><span style="font-size:12.0pt;font-family:Aptos;color:black"><o:p> </o:p></span></i></p>
<p class="xmsonormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">The presence of a stellar bar in a disc galaxy indicates that the galaxy hosts, in its main part, a dynamically settled disc and that bar-driven processes are taking place in
shaping its evolution. Studying the cosmic evolution of the bar fraction in disc galaxies is therefore essential to understand galaxy evolution in general. Using the Hubble Space Telescope (HST), previous studies have found that the bar fraction significantly
declines from the local Universe to redshifts near one. Using the James Webb Space Telescope (JWST) Cosmic Evolution Early Release Science Survey (CEERS) and the initial public observations for the Public Release Imaging for Extragalactic Research (PRIMER),
we extend the studies of the bar fraction in disc galaxies to redshifts 1 ≤ </span>
<span style="font-size:12.0pt;font-family:"Cambria Math",serif;color:black">𝑧</span><span style="font-size:12.0pt;font-family:Aptos;color:black"> ≤ 3, i.e., for the first time beyond redshift two. Our sample is present in the Cosmic Assembly Near-IR Deep Extragalactic
Legacy Survey (CANDELS) on the Extended Groth Strip (EGS) and Ultra Deep Survey (UDS) HST observations. The sample was visually classified to find the fraction of bars in disc galaxies in two redshift bins, and our results showed the JWST bar fraction to be
twice the bar fraction found using bluer HST filters. Specifically, we find that the bar fraction is about 18% at redshifts between one and two, and about 14% at redshifts between two and three. In an upcoming study, we are doubling the sample and extending
it to redshift four. We will also evaluate the evolution of the bar length to understand if bars grow with cosmic time. Our results already show that bar-driven evolution commences at early cosmic times and that dynamically settled discs are already present
at a lookback time of </span><span style="font-size:12.0pt;font-family:"Cambria Math",serif;color:black">∼</span><span style="font-size:12.0pt;font-family:Aptos;color:black"> 11 Gyrs.<o:p></o:p></span></p>
<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:Aptos"><o:p> </o:p></span></b></p>
<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:Aptos">Thursday 5<sup>th</sup> December at 3pm, A113 CAPT – Particle Cosmology Journal Club</span></b><span style="font-family:Aptos"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Aptos">---<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:16.0pt;font-family:Aptos">Friday 6<sup>th</sup> December at 2pm, A113 CAPT – CAPT Coding Club<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-family:Aptos;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:16.0pt;font-family:Aptos">Fridays at 4pm, CAPT Foyer – CAPT Cakes</span></b><span style="font-family:Aptos"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Aptos">---<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Aptos">If you have any events/visitors you would like included in next week’s bulletin, please let me know</span><span style="font-family:Aptos"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Best wishes<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:6.0pt;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-GB">Ella<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:6.0pt;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-family:"Arial",sans-serif;color:#009BBD;mso-fareast-language:EN-GB">Ella Batchelor</span></b><o:p></o:p></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">Administrator</span></b><span style="mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><b><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB"><o:p> </o:p></span></b></p>
<p class="MsoNormal" style="text-autospace:none"><b><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">Working Hours:</span></b><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">
Mon-Fri, 8:15am – 4pm</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:red;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">School of Physics & Astronomy</span><span lang="ZH-CN" style="font-size:9.0pt;font-family:"MS Gothic";color:#0F1245;mso-fareast-language:ZH-CN">
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"MS Mincho",serif;color:#0F1245;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">University of Nottingham</span><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">A112a Centre for Astronomy & Particle Theory</span><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">University Park</span><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">Nottingham, NG7 2RD<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">+44 (0) 115 74 86778<b> </b></span><b><span lang="EN-US" style="font-size:9.0pt;color:#0F1245;mso-fareast-language:EN-GB">| </span></b><b><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">
<a href="http://nottingham.ac.uk/"><span style="color:blue;font-weight:normal">nottingham.ac.uk</span></a></span></b><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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