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DTSTART:20210917T020000Z
DTEND:20210917T023000Z
DTSTAMP:20210914T200400Z
CREATED:20210915
LAST-MODIFIED:20210915
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TRANSP:OPAQUE
SUMMARY:Lyα Transmission in the Reionizing Intergalactic Medium
DESCRIPTION:\nIPMU Postdoc Colloquium Series\n\n\n\nSpeaker:Hyunbae Park (Kavli IPMU)Title:Lyα Transmission in the Reionizing Intergalactic Medium (Postdoc Colloquium)Date (JST):Fri, Sep 17, 2021, 11:00 – 11:30Place:ZoomAbstract:We expect neutral hydrogen gas in the intergalactic space to have scattered a significant portion of Lyα emission from star-forming galaxies during the reionization era. Thus, the Lyα line strength of high-z galaxies is considered a promising probe of reionization history. In order to quantitatively understand which properties of the intergalactic medium (IGM) determine the transmission of the Lyα photons, we calculate the IGM transmissivity from the Cosmic Dawn II (CoDa II) simulation data and analyze the results. We find that the gravitational infall motion around the source galaxy, size of the HII region, and self-shielded neutral gas systems are the crucial factors of the transmissivity. In this talk, I will elaborate on how each of those factors affects the observability of high redshift Lyα emitters.Contact:https://ipmu.zoom.us/webinar/register/WN_VTTp-bOdQY6GHCMDQrFVIg ( https://ipmu.zoom.us/webinar/register/WN_VTTp-bOdQY6GHCMDQrFVIg )Remarks:IPMU Postdoc Colloquium SeriesRegistration necessary from here: https://ipmu.zoom.us/webinar/register/WN_VTTp-bOdQY6GHCMDQrFVIg\n
URL:https://ipmu.zoom.us/webinar/register/WN_VTTp-bOdQY6GHCMDQrFVIg
ORGANIZER;CN=(IPMU) The Kavli Institute for Physics and Mathematics of the Universe at the University of Tokyo:MAILTO:
CATEGORIES:Astrophysics
LOCATION:Virtual
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