Universe Hot Baryon Surveyor
by
Tsung-Dao Lee Institute/N6F-N601 - Meeting Room
Tsung-Dao Lee Institute
Host: Dong Lai
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Abstract：
Hot Universe Baryon Surveyor (HUBS) is a proposed space-borne observatory for X-ray astronomy. The primary scientific objective of the mission is to fill a void in probing the ecosystem of galaxies and thus to advance our understanding of cosmic structure formation and evolution, which is of fundamental importance. More specifically, HUBS aims at
directly detecting soft X-ray emission from diffuse gas of temperature exceeding 106 K, which is theoretically postulated to permeate the large structures in the cosmic web and also fill the extended halo of galaxies. However, although some indirect evidence exists, the presence of such hot gas has yet been well established observationally, due to the lack of
effective tools to probe it. In this talk, I will describe the design of HUBS, focusing on its scientific payload, which employs cutting-edge superconductor technologies, and on the progress of the development.
Biography:
Dr. Wei Cui is a Fellow of the American Physical Society and a professor in the Department of Astronomy at Tsinghua University. He obtained his PhD degree in physics from the University of Wisconsin-Madison in 1994, and then joined MIT as a Research Scientist in the same year, to work on the construction and operation of the All-Sky Monitor (ASM) on the RXTE satellite. In 2000, he joined the faculty of the Department of Physics at Purdue University and rose to the rank of Full Professor in 2009. He played leading roles in the construction and operation of VERITAS, a state-of-the- art TeV gamma-ray observatory, and in the early development of LSST, a state-of-the-art optical survey telescope. In 2016, he accepted a joint appointment at Tsinghua University as Professor of Physics, and then joined the faculty of the newly-formed Department of Astronomy on a full-time basis in 2018. He is the PI of HUBS. His present research interests lie mainly in instrumentation for astronomical applications and galaxy ecosystems.
