Speaker: | Kazuo Makishima (U. of Tokyo/Riken) |
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Title: | Cosmological in-fall of galaxies towards the bottom of clusters |
Date (JST): | Thu, Apr 04, 2019, 13:30 - 14:30 |
Place: | Seminar Room A |
Related File: | 2293.pdf |
Abstract: |
Through X-ray and optical observations of a sample of clusters of galaxies from z=1 to z=0, we discovered that their member galaxies have been falling to the bottom of gravitational potential. This is considered to arise via their interaction with the X-ray emitting hot plasma. |