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Invited Discourses
  • Early Science with the James Webb Space Telescope

August 3, 2022 (Wed) 17:30 - 18:30

Dr. Klaus Pontoppidan

  • Dr. Klaus Pontoppidan is the James Webb Space Telescope Project Scientist at the Space Telescope Science Institute, and has worked since 2010 on the JWST mission. Dr. Pontoppidan is an expert in astronomical molecular spectroscopy with emphasis on observations and radiative transfer modeling. He is particularly interested in the origins of water and organics on Earth, the chemistry of protoplanetary disks, initial conditions for the formation of exoplanets, evolution of dust and ice in the interstellar medium, and advanced techniques in infrared molecular spectroscopy. He has also made fundamental contributions to the development of a wide range of infrared facilities, including JWST, the Origins Space Telescope, TMT/ELT, and SOFIA instrumentation. He received a Master’s Degree in astrophysics from the University of Copenhagen, a PhD in astrophysics from Leiden University, and was a Hubble Fellow at the California Institute of Technology.

  • James Webb Space Telescope:
  • The Hubble Tension

August 4, 2022 (Thu) 17:30 – 18:30

Prof. Sherry Suyu

  • Prof. Sherry Suyu is a Max Planck Research Group Leader at the Max Planck Institute for Astrophysics, an Associate Professor at the Technical University of Munich, and a Visiting Scholar at the Academia Sinica Institute of Astronomy and Astrophysics. Her research areas include the cosmic expansion, the evolution of galaxies and their dark matter halos, as well as supernovae, probed with gravitational lensing. Prof. Suyu has led the H0LiCOW program that measured the expansion rate of the Universe using gravitationally lensed quasars. With the support from the European Research Council through a Consolidator Grant, she has launched a new program on lensed supernovae: HOLISMOKES! Thanks to the great teamwork of the H0LiCOW collaboration, she received the 2021 Berkeley Prize from the AAS for Meritorious Work in Astronomy. She received a B.Sc. in astrophysics from Queen’s University in Canada and a Ph.D. in physics from the California Institute of Technology.

  • * H0LiCOW: www.h0licow.org
    * HOLISMOKES: www.holismokes.org
    * AAS Berkeley Prize 2021: https://aas.org/press/holy-cow-sherry-suyu-receive-2021-berkeley-prize
  • Superflares and super coronal mass ejections on solar-type stars

August 10, 2022 (Wed) 17:30 – 18:30

Dr. Hiroyuki Maeharha

  • Dr. Hiroyuki Maehara is an assistant professor at National Astronomical Observatory of Japan (NAOJ). His research is focused on the stellar magnetic activity such as stellar flares and starspots. He studies extremely large flares called “superflares” on solar-type stars by using the photometric data from Kepler and TESS. Recently, he studies stellar mass ejections associated with superflares via optical spectroscopy with the 3.8-m Seimei telescope at Okayama Observatory which is operated by Kyoto University in collaboration with NAOJ. He received a B.S. in physics from Chiba University and M.S. and Ph.D. in astronomy from University of Tokyo.

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