BK21 FOUR

연세대학교 지구·대기·천문 교육연구단
INSTITUTE OF EARTH ATMOSPHERE ASTRONOMY

Earth & Universe 2050

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2024년 10월 15일(화) 세미나 안내
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  • 2024-10-14 11:18:53

제목: New challenges for cosmological simulations: The role of numerical resolution in the production of intracluster light

 

연사Dr. Garreth Martin (University of Nottingham)

 

일시: 2024년 10월 15일 화요일 14:00

장소과학관 638호

 

Abstract:

Cosmological hydrodynamical simulations have been routinely used to make predictions about the production of intacluster light, but the role of numerical resolution in the efficiency of tidal stripping is not well understood. I will explore the impact of numerical resolution on the tidal stripping of stars in cluster satellite galaxies and how the differing structural properties of field dwarf galaxies influence their tidal evolution. I will show that low-resolution simulations significantly overestimate how much mass is stripped, which can lead to a significant overestimation of the integrated and resolved properties of the intracluster as well as of low-mass galaxies in many contemporary cosmological simulations.

  

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