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学术报告(20180927)From Dark to Light: The Evolution from Molecular Clouds to Massive Protostars & Clusters
发布时间:2018-09-27

报告题目: From Dark to Light: The Evolution from Molecular Clouds to Massive Protostars & Clusters
报告人: Prof. Gary Fuller
报告人单位: School of Physics and Astronomy University of Manchester
报告时间: 2018年9月27日14:30
报告地点: 引力中心三楼会议室
报告摘要:

Stars are the fundamental building blocks of the Universe and most stars in our Galaxy form in clusters, some of which also produce high mass stars. Although relatively rare, from their birth to their ultimate death as supernovae, these high mass stars dominate the chemical and mechanical evolution of the interstellar medium of galaxies. Despite their importance for understanding phenomena ranging from the dispersal of molecular clouds to the origin of gamma ray bursts and black holes, the formation and early evolution of these massive stars are poorly understood. Key issues include understanding how gas accumulates into highly condensed clumps, the precursors to clusters, and how these then fragment in to cores, the precursors of individual stars, as well as how massive protostars evolve. Studies of regions which are not yet dominated by star formation and effects of stellar feedback are essential for understanding these processes. In this seminar I will discuss our recent work on such regions selected from the Spitzer Dark Cloud catalogue and the insights they provide into how stellar clusters and massive stars form. In addition, I will  discuss some of the recent work in Manchester on low noise amplifiers  for the 67-116 GHz frequency range for a new receiver system for ALMA.
报告人简介:

Gary Fuller is Professor of Astrophysics at the Jodrell Bank Centre for   Astrophysics (JBCA) in the School of Physics and Astronomy. After graduating in physics from Imperial College, London, he obtained his PhD in astronomy at the University of California, Berkeley before staying in the USA as a research fellow. First, he was at the Harvard-Smithsonian Centre for Astrophysics in Cambridge, Massachusetts then at the National Radio Astronomy Observatory in Tucson, Arizona and later in Charlottesville, Virginia. He   returned to the UK to become a faculty member at UMIST, and later, the University of Manchester. Gary’s research interests include the observational study of star formation, particularly at radio to submillimetre wavelengths, and developing millimetre/submillimetre instrumentation. He has published over 220 papers on astrophysics and instrumentation. He has supervised over 20 PhD students including co-supervising PhD students at institutions outside  the UK. Gary is the principal investigator and lead-scientist of the UK ALMA Regional Centre (ARC) Node which is based in JBCA. The ARC Node is part of the ESO ALMA Regional Center and supports UK astronomers exploit ALMA, the world’s leading millimetre/sub-millimetre telescope. In the School of Physics & Astronomy, Gary has held a range of senior positions including Director of Teaching, Director of Postgraduate Students and Director of External Affairs. Currently he is Director of Internationalisation in the School.


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