[Astro] [CAPT] CAPT Weekly Bulletin (w/c 24-06-24)

[Ella Batchelor]

Tuesdays at 11am, CAPT Foyer – Astro Coffee



Tuesdays at 1pm, A113 CAPT – Astronomy Journal Club
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Thursday 27th June at 1pm, A113 CAPT – Astronomy Lunch Talk
Joe Butler

Tracing dark matter using intracluster light



The intracluster light (ICL) is the diffuse stellar component of galaxy clusters consisting of stars not bound to any galaxy. Both dark matter (DM) and the ICL can be treated as collisionless particles whose dynamics are simply governed by the cluster potential, which itself is dominantly generated by DM. The possibility therefore arises of using the ICL as a luminous tracer of DM, which we investigate by exploring the 6D phase-space and kinematics of these two components in simulations. We find that unlike DM, ICL consists of many kinematically-distinct populations, which can be separated in phase-space. Although DM and ICL have very different kinematics and radial distributions, we can understand these differences through energy considerations. Finally, we discuss the importance of simulation parameters for inferring the DM profile from ICL profile.



Thursday 27th June at 3pm, Online – Particle Cosmo Journal Club – First Year Talk
Trevor Cheung

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Fridays at 4pm, CAPT Foyer – CAPT Cakes
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If you have any events/visitors you would like including in next week’s bulletin, please let me know.


Best wishes

Ella

Ella Batchelor (she/her)
Administrator

School of Physics & Astronomy

University of Nottingham
A112a Centre for Astronomy & Particle Theory
University Park
Nottingham, NG7 2RD

+44 (0) 115 74 86778 |  nottingham.ac.uk<http://nottingham.ac.uk/>

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