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<p class="elementtoproof" style="background:white"><b><span style="font-size:16.0pt;color:black">Tuesdays at 11am, CAPT Foyer – Astro Coffee<br>
<br>
Tuesdays at 11.30am, A113 CAPT – Astronomy Journal Club</span></b><span style="color:black"><br>
</span><span style="font-size:16.0pt;color:black">---</span><o:p></o:p></p>
<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:"Aptos",sans-serif">Wednesday 21<sup>st</sup> January at 3.45pm, C4 Physics – Astronomy Weekly Seminar</span></b><o:p></o:p></p>
<p class="elementtoproof" style="margin-bottom:8.0pt;mso-line-height-alt:11.75pt;background:white">
<span style="font-size:16.0pt;color:black">Prof Rita Tojeiro (St Andrews)<br>
</span><span style="font-size:14.0pt;color:black;mso-fareast-language:EN-US">Breaking down the galaxy-halo connection<br>
<br>
</span><span style="font-size:11.0pt;color:black;mso-fareast-language:EN-US">In the current standard model of structure and galaxy formation, the evolution of galaxies and halos are intrinsically linked. Understanding the galaxy-halo connection is therefore
needed for a holistic view of extragalactic astronomy, testing structure formation theories, or inferring cosmological parameters from galaxy surveys. As such, modelling it has been a major effort of the extragalactic and cosmology community for decades. Drawing
on my group’s recent work in observations and in simulations, I will consider how to break down the galaxy-halo connection in different physical and time scales. I will focus on the relationship between halo assembly and star-formation histories, stochasticity,
and the cosmic web, with the goal of developing new ways in which to test models of the galaxy-halo connection with current and forthcoming surveys.</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:16.0pt;font-family:"Aptos",sans-serif">---</span><o:p></o:p></p>
<p class="xmsonormal"><b><span style="font-size:16.0pt;font-family:"Aptos",sans-serif">Thursday 22<sup>nd</sup> January at 1pm, A113 CAPT – Astronomy Lunch Talk</span></b><o:p></o:p></p>
<p class="elementtoproof" style="background:white"><span style="font-size:16.0pt;color:black">Harry Gully<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:14.0pt;font-family:"Aptos",sans-serif;color:black;mso-ligatures:none">Euclid Q1: The evolution of the ICL fraction<o:p></o:p></span></p>
<p class="elementtoproof" style="background:white"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none">The intracluster light (ICL) fraction and its evolution with redshift can provide constraints on the dominant mechanisms of ICL production. I will present measurements of
ICL fractions for a sample of galaxy clusters spanning 0.2 < z < 1.6. Our results show that significant ICL is already in place at z > 1, and there is no clear evidence for evolution in the ICL fraction across this redshift range. This suggests that a significant
portion of ICL formation occurs early during cluster assembly, and that its buildup over time tracks the growth of the cluster itself.<o:p></o:p></span></p>
<p class="xmsonormal">---<o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:16.0pt">Fridays at 4pm, CAPT Foyer – CAPT Cakes</span></b><o:p></o:p></p>
<p class="MsoNormal">---<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt">If you have any events/visitors you would like included in next week’s bulletin, please let me know.</span><o:p></o:p></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</span><span style="mso-ligatures:none;mso-fareast-language:EN-GB"><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;font-family:"Calibri",sans-serif;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><span style="font-family:"Arial",sans-serif;color:#009BBD;mso-fareast-language:EN-GB">(she/her)</span><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"><span lang="EN-US" style="font-family:"Arial",sans-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">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";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;font-family:"Calibri",sans-serif;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</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;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">
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<p class="MsoNormal" style="text-autospace:none"><span style="mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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