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Boris Bolliet (Cavendish)
Friday 31 January 2025, 11:30-12:30
Galaxy-halo connection in current CMB cross-correlation science
- đ¤ Speaker: Boris Bolliet (Cavendish)
- đ Date & Time: Friday 31 January 2025, 11:30 - 12:30
- đ Venue: Ryle Seminar Room, KICC + online
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Sandro Tacchella
Abstract
In this talk we will review models and constraints on halo occupation distribution (HOD) statistics in Cosmic Microwave Background (CMB) cross-correlation studies. We will focus on CMB lensing and kinetic Sunyavev Zeldovich cross-correlations. As we will see, HOD degeneracies are a limiting aspect of our measurements of the gas distributions around massive halos. We will discuss current constraints on the gas derived from recent ACT data and prospects for SO, as well as the significance of these constraints in the context of hydrodynamical simulations.
Series This talk is part of the Galaxies Discussion Group series.
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