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DTSTART;TZID=Europe/Paris:20250418T110000
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DTSTAMP:20260510T115250
CREATED:20250124T171855Z
LAST-MODIFIED:20250124T171855Z
UID:7722-1744974000-1744977600@cral.osu-lyon.fr
SUMMARY:CRAL@ENS Seminar by Philipp Girichidis (Universität Heidelberg)
DESCRIPTION:TBD
URL:https://cral.osu-lyon.fr/en/event/cralens-seminar-by-philipp-girichidis-universitat-heidelberg/
LOCATION:ENS
ATTACH;FMTTYPE=image/png:https://cral.osu-lyon.fr/wp-content/uploads/2023/11/image_defaut.png
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DTSTART;TZID=Europe/Paris:20260313T110000
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CREATED:20251216T101717Z
LAST-MODIFIED:20251216T101717Z
UID:8509-1773399600-1773403200@cral.osu-lyon.fr
SUMMARY:CRAL@Obs Seminar by Chris Byrohl (KIPAC\, Stanford University)
DESCRIPTION:Title: Emission Tomography of the Cosmic Web at Cosmic Noon\nAbstract:Deep integral-field and narrowband surveys now detect faint\, extended Lyman-alpha (Lyα) emission from the circumgalactic medium and\, increasingly\, from diffuse gas in cosmic filaments. I will review recent measurements and their interpretation\, highlighting how galaxy and gas physics\, as well as radiative transfer\, complicate the mapping from surface brightness to gas density and kinematics. I will then discuss how modern galaxy formation simulations\, coupled to Lyα radiative transfer calculations\, are being used to build forward models for large-volume surveys. Finally\, I will present first steps toward physics-informed emission tomography: inference and reconstruction methods that connect simulations and observations of the gas and galaxy distribution\, enabled by differentiable simulators.
URL:https://cral.osu-lyon.fr/en/event/cralobs-seminar-by-chris-byrohl-kipac-stanford-university/
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