Members


CASCADE Team

Our team works on how stars form in galaxies and drive strong outflows, using radiation-hydrodynamics simulations with adapative mesh refinement. We are also interested in various topics, including the reionization of the Universe, escape of LyC and LyA photons from galaxies, RAM pressure stripping in clusters, formation of globular clusters, and origin of the giant Lya nebulae etc.

Taysun Kimm Group leader2017.09-
 
Maxime Rey Postdoc 2023.03-Impact of stellar feedback on circumgalatic medium
Jongwon Park Postdoc 2024.06-Formation of PopIII stars and the first galaxies
 
Daniel Han PhD student 2018.07-Formation of Globular Clusters
Cheonsu Kang PhD student 2020.07-Star formation model based on a sink particle algorithm
Jiyoung Choe Master student 2022.01-Impact of emission lines on SED fitting
Hyunwoo Song Master student 2023.09-Connection between O32 and escape frations
Beomchan KohMaster student 2024.03-Lyman alpha transfer in high-z galaxies
Seung Jun Rhee Post-Master student 2025.02-
Fred Thompson Visting student (Oxford) 2025.02-N-body dynamics of globular clusters


Previous members
Yonghwi Kim Postdoc->KISTI (Staff) 2022.09-2023.07DARWIN Project
Suhyeon Choe MS student->Univ of Stockholm (PhD student) 2018.09-2023.02Emission lines from the simulated universe
Hyunmi Song Postdoc -> CNU (Faculty) 2019.12-2021.08Lyman alpha transfer, large-scale structure
Taehwa Yoo MS student->Univ of Florida (PhD student)2018.03-2022.07On the origin of low LyC escape fractions in LBGs
Jongsuk Hong Postdoc->KASI (Staff) 2020Stellar dynamics, Globular clusters, Gravitational waves
Do Woon Lee MS student->Asiana airlines (Staff) 2018.09-2021.08Simulating Lyman alpha profiles







Maxime Rey

  • Office : Science Building, 631
  • Email : maximerey.astro @@ gmail.com
    Personal history
  • 2023.03 - current: Postdoc, Yonsei University
  • 2018.09 - 2022.10: PhD, École Normale Supérieure de Lyon
    Research interest: Numerical simulations, galaxy formation, feedback mechanisms, subgrid modelling, circum-galactic medium
    Website: Personal Website
    Personal note: Climb higher !

Jongwon Park

  • Office : Science Building, 631
  • Email : jwpark5064 @@ gmail.com
    Personal history
  • 2024.06 - current: Postdoc, Yonsei University
  • 2018.08 - 2024.05: PhD, University of Maryland, College Park
    Research interest: Numerical simulations, Formatin of population III stars, Formation of the first galaxies, X-ray radiation background
    Website: Google scholar
    Personal note: 나는 돈이 좋다

Daniel Han

  • Office : Science Building, 617
  • Email : daniel.han@@yonsei.ac.kr
    Personal history
  • 2016.03 - current: PhD student, Astronomy, Yonsei University
  • 2012.03 - 2016.02: B.S., Astronomy & Physics, Yonsei University
    Research interest: Milky Way bulge, Stellar populations in globular clusters
    Personal note: 인생을 날로 먹으려고 하면 안된다.

Cheonsu Kang

  • Office : Science Building, 702
  • Email : sooxsoo@@yonsei.ac.kr
    Personal history
  • 2023.03 - PhD student, Yonsei University
  • 2020.03 - 2023.03 Master student, Yonsei University
    Research interest: star formation and stellar feedback
    Personal note: 생각해보고 알려드리겠습니다.

Jiyoung Choe

  • Office : Science Building,
  • Email : jiyoungchoe1@@yonsei.ac.kr
    Personal history
  • 2022.03 - Master student, Yonsei University
    Research interest: Galaxy formation and evolution
    Personal note: Help me!!

Hyunwoo Song

  • Office : Science Building, 703
  • Email : tessdar @@ yonsei.ac.kr
    Personal history
  • 2023.09 - Master student, Yonsei University
    Research interest: star formation, stellar feedback and galaxy evolution
    Personal note: Think carefully and act quickly

Beomchan Koh

  • Office : Science Building, 702
  • Email : bckoh @@ yonsei.ac.kr
    Personal history
  • 2024.03 - Master student, Yonsei University
    Research interest: LyA radiative transfer, cosmic reionization, galaxy evolution
    Personal note: Eat well, sleep well

Seung Jun Rhee

  • Office : Science Building, 612
  • Email : sjr218@@cantab.ac.uk
    Personal history
  • 2024.08 - : Research intern, Yonsei University
  • 2023.10 - 2024.06: MSci student, University of Cambridge
  • 2020.10 - 2023.06: BA student, University of Cambridge
    Research interest: mixing processes in the CGM
    Personal note: The food is so much better here





External members




Fred Thompson

  • Office : Science Building, 612
  • Email : frederick.thompson @@ physics.ox.ac.uk
    Personal history
  • 2023.10 - PhD student, University of Oxford
  • 2019.10 - 2023.10 : University of Cambridge
    Research interest: star clusters and collisional dynamics in cosmological simulations
    Personal note: Here for the cool galaxy simulation images


Wonki Lee

  • Office : Science Building, 613
  • Email : wonki.lee@@yonsei.ac.kr
    Personal history
  • 2018.03 - present: Integrated PhD course, Yonsei University
    Research interest: Cluster mergers, galaxy clusters, radio relics
    Personal note: Excelsior. I enjoy walking/running along the Han river





Previous members




Yonghwi Kim

  • Current: KISTI (2023-)
    Personal history
  • 2022.10 - : Associate member, KIAS
  • 2022.09 - 2023.07: Postdoc, Yonsei University
  • 2018.09 - 2022.08: Postdoc, KIAS
  • 2015.09 - 2018.08: Postdoc (Kavli Postdoctoral Fellow), KIAA Peking University
  • 2007.09 - 2015.08: PhD, Seoul National University
    Research interest: Theoretical and numerical astrophysics, galactic dynamics, gas and fluid dynamics, evolution of disk galaxies
    Personal note: Always be straightforward and honest

Suhyeon Choe

  • Current: PhD student at Stockholm University (2023-)
    Personal history
  • 2022.03 - Research assistant (postmas), Yonsei University
  • 2018.09 - 2022.02, Master student, Yonsei University
    Research interest: emission lines and their connection to escape fraction
    Personal note: Happyness is a warm cat
Hyunmi Song

  • Current: Faculty at Chungnam National University (2020-)
    Personal history
  • 2021.09 - present: Faculty, Chungnam National University
  • 2019.12 - 2021.08: Postdoc (Lee Wonchul Fellow), Yonsei University
  • 2017.03 - 2019.11: Postdoc, KASI
  • 2013.02 - 2017.02: Postdoc, KIAS
  • 2009.03 - 2013.02: PhD, Seoul National Univ.
    Research interest: Large-scale structures, galaxy formation/evolution, galaxy clusters, LyA radiative transfer

      Website: Google scholar

      Personal note: Men must endure.. Their going hence, even as their coming hither.. Ripeness is all
Jongsuk Hong

  • Current: Staff scientist at KASI (2020-)
    Personal history
  • 2020.10 - present: Science staff, KASI
  • 2019.09 - 2020.09: Postdoc (Lee Wonchul Fellow), Yonsei University
  • 2016.10 - 2019.09: Postdoc, KIAA Peking University
  • 2013.09 - 2016.09: Postdoc, Indiana University
  • 2006.03 - 2013.08: PhD, Seoul National University
    Research interest: Stellar dynamics, Globular clusters, Multiple populations, Gravitaitonal waves
    Website: Google scholar
    Personal note: 가장 큰 후회는 내뱉은 말에서 온다.


Dowoon Lee

  • Current: Asiana Airlines (2022-)
    Personal history
  • 2021.09 - 2021.11 Research assistant (post-mas), Yonsei University
  • 2018.09 - 2021.08 Master student, Yonsei University
    Research interest: Galaxy formation and evolution, star formation, feedbacks with numerical methods
    Personal note: I fear not the man who has practiced 10,000 kicks once, but I fear the man who had practiced one kick 10,000 times.

Taehwa Yoo

  • Current: PhD student at the University of Florida (2022-)
    Personal history
  • 2018.03 - 2020.02 : M.S., Yonsei University
  • 2020.03 - 2021.02 : Research Assistant, Yonsei University
  • 2021.03 - : PhD course, Yonsei University
    Research interest: LyC escape fraction, reionization, star formation, galaxy formation and evolution with numerical method
    Personal note: I like ramen. 행복하게 살자.
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