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| Searching for the Missing Baryons |
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Speaker:
Taotao Fang (UC Irvine, USA)
Time:
Monday (Dec. 28th), 2:00PM
Location:
3rd floor, middle conference room
Abstract:
Our current view of the cosmic structure formation and evolution is challenged by two "missing baryons" problems. One refers to the problem
that the observed baryonic matter in the local universe accounts for less
than 50% of the total baryons, and one refers to the problem that the
observed baryons in galaxy are far less than what are expected from the
standard galaxy formation theory. While occurring at very different
scales, these two "missing baryons" problems may be closely related to
each other, and the answers to these two questions will help unveil the
critical role of various accretion and feedback processes in galaxy
formation and evolution. Focusing on observation and numerical modeling, I
will discuss recent progresses and the challenges and opportunities we are
facing today. I will also discuss some future prospectives, including
instrumental development.
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