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Galaxy clusters contain rich information of cosmology and astrophysics. In the past, cluster science was limited by a lack of adequately deep observations in multi-wavelength and was subject to heterogeneous samples with small sizes at low redshift. The situation has been changed due to the recent success of the large and deep surveys in multi-wavelength.
In this talk, I will talk about my research work on both astrophysical and cosmological studies of galaxy clusters out to high redshift (z ~ 1.2), using the datasets from the South Pole Telescope (SPT), Dark Energy Survey (DES), Hyper Suprime-Cam (HSC) survey, and the ongoing eROSITA survey.
In particular, I will focus on how the observable-to-mass scaling relations shed light on the baryon content of clusters and the cosmological constraints.
I will also demonstrate the crucial need for the accurate mass calibration in order to pave a way for cluster science in the future.
Dr. I-Non Chou got his PhD from Ludwig-Maximilians-Universität in 2016, and subsequently worked at Leung Center for Cosmology and Particle Astrophysics, ASIAA and Academia Sinica as a postdoc. He has been offered the TDLI prize postdoc fellowship this year. His research is focused on observational studies of galaxy clusters.
Meeting ID: 523 477 035
Joining Link:https://zoom.com.cn/j/523477035
video link: https://vshare.sjtu.edu.cn/play/82bb6e61e02fb9b518b6a70c492eeda6
Note that the video is restricted to SJTU only.