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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B01:From a “Disk” to the “planet”

Organization

Representative Researcher

  • Munetake Momose(The College of Science, Ibaraki University)
    Specialty: radio astronomy
    Share: coordination of researches and disk millimeter wave and submillimeter wave observation
  • Assigning Researchers

  • Takashi Onaka(School of Science, the University of Tokyo)
    Specialty: infrared astronomy 
    Share: observation of intermediate-infrared radiation for disk
  • Tetsuo Yamamoto(Institute of Low Temperature Science, Hokkaido University)
    Specialty: planetary science 
    Share: theory of fundamental processes of dust in disk
  • Hidekazu Tanaka(Institute of Low Temperature Science, Hokkaido University)
    Specialty: planet formation theory 
    Share: Dust accumulation process theory and simulation
  • Masahiko Arakawa(Graduate School of Science Kobe University)
    Specialty: planetary science
    Share: laboratory experiment for adhesion, development and accumulation of icy dust
  • Misato Fukagawa(NAOJ Chile Observatory (ALMA))
    Specialty: infrared astronomy
    Share: near-infrared observation for disk scattered light
  • Yuri Aikawa(Center for Computational Sciences, University of Tsukuba)
    Specialty: theoretical astronomy  
    Share: disk material evolution theory
  • Takayuki Muto (Kogakuin University, Division of Liberal Arts)
    Specialty: cosmophysics 
    Share: formulation of interaction model between planets and disk
  • TakashiTsukagoshi (College of science, Ibaraki University)
    Specialty: radio astronomy 
    Share: Comparisons between observations and disk models
  • Cooperating Researchers

  • Hirokazu Kataza(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)
    Specialty: infrared astronomy 
    Share: mid-infrared observations of debris disk
  • Hiroshi Kimura(Graduate School of Science Kobe University)
    Specialty: interstellar material science  
    Share: preparing for radiation model of dust disk
  • Takayuki Tanigawa(medical department, University of Occupational Enviromental Health)
    Specialty: planet formation theory
    Share: Interaction between protoplanets and protoplanetary disk
  • Koji Murakawa(department of technology, Osaka Sangyo Universuty)
    Specialty: radio astronomy 
    Share: Comparisons between observations and dust models
  • Research Objectives

    By gathering methods for observation, theory and experimentation, we aim to resolve all questions about the processes of the formation of planets from disks. We will clear up the details of the structure of a disk with 0.01 arc second resolutions provided by ALMA by getting into the area which forms a terrestrial planet. Meanwhile, we conduct infrared observation of disks in various developing stages. With the data of multiple wavelengths, we investigate the mutual evolution between three essentials (gas, refractory dust and icy dust) which form disk materials under these circumstances from both the observational and theoretical sides. Moreover, using the theory with simulation and experimenting in a cool environment, we refine the dust accumulation theory which is the most important step in the formation of planets. By comparing this data to the observation results, we are able to understand the steps of the growth process of dust into planets in full.

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