New Frontiers of Extrasolar Planets: Exploring Terrestrial Planets

Grant-in-Aid for Scientific Research by the Ministry of Education, Culture, Sports, Science and Technology  Scientific Research on Innovative Areas (Research in a proposed research area) 2011-2015

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A01:Direct imaging and spectroscopy of gas giant and detection for terrestrial planet

Organization

Representative Researcher

  • Masahiko Hayashi (Director General of the National Astronomical Observatory of Japan)
    Specialty: observational astronomy
    Share: coordinating areas and research plan
  • Assigning Researchers

  • Naruhisa Takato(National Institutes of Natural Sciences, National Astronomical Observatory of Japan)
    Specialty: observational astronomy  
    Share: supervision of development of a high contrast infrared spectromete
  • Olivier Guyon(National Institutes of Natural Sciences, National Astronomical Observatory of Japan)
    Specialty: observational astronomy  
    Share: development of high contrast equipment
  • Takahiro Sumi(Graduate School of Science, Osaka University)
    Specialty: extrasolar planet and galactic structure  
    Share: gravitational lens observation
  • Itsuki Sakon(School of Science, the University of Tokyo)
    Specialty: Interstellar physics  
    Share: office work for the areas and assistant of coordinating areas and research plan
  • Hideaki Fujiwara(National Institutes of Natural Sciences, National Astronomical Observatory of Japan)
    Specialty: observational astronomy  
    Share: high contrast infrared spectrometer
  • Cooperating Researchers

  • Yasushi Suto(School of Science, the University of Tokyo)
    Specialty: cosmophysics 
    Share: planning observation
  • Bunei Sato(School of Science, the University of Tokyo)
    Specialty: extrasolar planet  
    Share: exploration of indirect observing for terrestrial planet
  • Youichi Ito (Graduate School of Science Kobe University)
    Specialty: infrared astronomy 
    Share: planet spectroscopy data interpretation
  • Mitsuhiko Honda(Faculty of Science, Kanagawa University)
    Specialty: infrared astronomy
    Share: infrared observation of icy dust
  • Junichi Morino(National Institutes of Natural Sciences, National Astronomical Observatory of Japan)
    Specialty: infrared astronomy  Share: development of a high contrast infrared spectrometer
  • Research Objectives

    We conduct direct imaging of the gas planets which are close to fixed stars (1-40AU). By using Doppler spectroscopy, the transit method, and gravitational micro-lensing, we are able to detect extrasolar planets, and we aim especially to detect one solar mass star in the habitable zone. By using adaptive optics or coronagraph with the world’s top technique, we develop a high-contrast infrared spectrometer to conduct direct spectroscopy to the atmospheres of extrasolar planets or the dwarf galaxies, which are low-temperature planets, to understand the characteristics of extrasolar planets (called characterization). With a strong link between the theories of planet formation and the theories of planetary atmospheres by the other research planning teams A02 and B02, we can compare and analyze the observation results to understand the origin of a variety of extrasolar planets.

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