Quest for embryology of galaxies by high-resolution hybrid-simulations

• Project/Area Number: 18540242
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Astronomy
• Research Institution: University of Tsukuba (2008); Senshu University (2006-2007)
• Principal Investigator: MORI Masao University of Tsukuba, 大学院・数理物質科学研究科, 准教授 (10338585)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,080,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥480,000); Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2007: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2006: ¥1,000,000 (Direct Cost: ¥1,000,000)
• Keywords: 理論天文学 / 宇宙物理学 / 銀河形成 / 銀河進化 / 大規模シミュレーション / 計算物理学 / 流体力学 / 超新星爆発

Research Abstract

本研究では、"高赤方偏移で発見されている天体が、近傍宇宙のハッブル系列を構成する銀河の進化経路の一側面を見ているに過ぎない"という仮説を掲げ、銀河の化学力学モデル(SCDモデル)という武器を駆使して、銀河の発生について詳細な理論模型を構築する。その為に、超高精度の大規模3次元流体シミュレーションを実行し、SCDモデルによる銀河形成の理論模型を構築し、多波長観測データとの詳細な比較を行った。

Research Products

• [Journal Article] (2009)
  • Author(s): Yajima, H., Umemura, M., Mori, M., Nakamoto, T.
  • Journal Title: Monthly Notices of the Royal Astronomical Society 398 Pages: 715-721
  • Peer Reviewed
• [Journal Article] Global Radiation?Magnetohydrodynamic Simulations of Black Hole Accretion Flow and Outflow: Unified Model of Three States (2009)
  • Author(s): Ohusga, Ken
  • Journal Title: PASJ Letters (印刷中)
  • Peer Reviewed
• [Journal Article] Kinematic and Chemical Constraints on the Formation of M31's Inner and Outer Halo (2008)
  • Author(s): Koch, A., Rich, R. M., Reitzel, D. B., Martin, N. F., Ibata, R. A., Chapman, S. C., Majewski, S. R., Mori, M., Loh, Y.-S., Ostheimer, J. C., Tanaka, M.
  • Journal Title: Astrophysical Journal 689 Pages: 958-982
  • Peer Reviewed
• [Journal Article] The Once and Future Andromeda Stream (2008)
  • Author(s): Mori, M, Rich, M. R.
  • Journal Title: Astrophysical Journal Vol. 674
  • Peer Reviewed
• [Journal Article] The Once and Future Andromeda Stream (2008)
  • Author(s): Mori, M. and Rich, M. R.
  • Journal Title: Astrophysical Journal Vol. 674
  • Peer Reviewed
• [Journal Article] Kinematic and Chemical Constraints on the Formation of M31's Inner and Outer Halo (2008)
  • Author(s): Koch, Andreas
  • Journal Title: Astrophysical Journal 689 Pages: 958-982
  • Peer Reviewed
• [Journal Article] Evolution of Lyman-a Emitters, Lyman-break Galaxies and Elliptical Galaxies (2008)
  • Author(s): Mori, Masao
  • Journal Title: Astronomical Society of the Pacific 399 Pages: 288-289
• [Journal Article] Escape Fraction of Ionizing Photons from High-z Proto-Galaxy (2008)
  • Author(s): Yajima, Hidenobu
  • Journal Title: Astronomical Society of the Pacific 399 Pages: 70-71
• [Journal Article] The Once and Future Andromeda Stream (2008)
  • Author(s): 森 正夫
  • Journal Title: Astrophysical Journal Letters 674 Pages: 77-80
  • Peer Reviewed
• [Journal Article] Galactic Winds from Primeval galaxies (2007)
  • Author(s): Mori, M., Umemura M.
  • Journal Title: Astrophysics and Space Science 311 Pages: 111-115
  • Peer Reviewed
• [Journal Article] Chemodynamics of Lyman alpha emitters, Lyman break galaxies and elliptical galaxies (2007)
  • Author(s): Mori, M., Umemura M.
  • Journal Title: EAS Publications Series 24 Pages: 221-226
• [Journal Article] Galactic Winds from Primeval galaxies (2007)
  • Author(s): Mori, M. and Umemura M.
  • Journal Title: Astrophysics and Space Science 311 Pages: 111-115
  • Peer Reviewed
• [Journal Article] Chemodynamics of Lyman alpha emitters, Lyman break galaxies and elliptical galaxies (2007)
  • Author(s): Mori, M. and Umemura, M.
  • Journal Title: EAS Publications Series 24 Pages: 221-226
• [Journal Article] Chemodynamics of Lyman alpha emitters,Lyman break galaxies and elliptical galaxies (2007)
  • Author(s): 森 正夫
  • Journal Title: The CRAL-Conference Series I "Chemodynamics:from first stars to local galaxies" 24 Pages: 221-226
• [Journal Article] Galactic winds from primeval galaxies (2007)
  • Author(s): 森 正夫
  • Journal Title: Astrophysics and Space Science 311 Pages: 111-115
  • Peer Reviewed
• [Journal Article] Lyman alpha emitters, Lyman break galaxies and celliptical galaxies (2007)
  • Author(s): 森正夫
  • Journal Title: 専修大学自然科学研究所紀要 38号 Pages: 21-27
• [Journal Article] The Evolution of Galaxies from Primeval Irregulars to Present-day Ellipticals (2006)
  • Author(s): Mori, M. and Umemura, M.
  • Journal Title: Nature 440 Pages: 644-647
  • Peer Reviewed
• [Journal Article] Chemodynamics of Lyman alpha emitters, Lyman break galaxies and elliptical galaxies
  • Author(s): 森正夫
  • Journal Title: The CRAL-Conference Series I "Chemodynamics : from first stars to local galaxies" (印刷中)
• [Journal Article] Chemical and dynamical evolution of Lyman alpha emitters
  • Author(s): 森正夫
  • Journal Title: Astrophysics and Space Science (印刷中)
• [Journal Article] Galactic winds from primeval galaxies
  • Author(s): 森正夫
  • Journal Title: Astrophysics and Space Science (印刷中)
• [Presentation] ライマンアルファエミッターの光学的特性と宇宙再電離との関係 (2009)
  • Author(s): 森正夫
  • Organizer: 日本天文学会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2009-03-27
• [Presentation] ALMAへの期待 : 銀河の形成 (2009)
  • Author(s): 森正夫
  • Organizer: 日本天文学会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2009-03-26
• [Presentation] ALMAへの期待:銀河の形成 (2009)
  • Author(s): 森正夫
  • Organizer: 日本天文学会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2009-03-26
• [Presentation] ライマンアルファエミッターの化学力学進化モデル (2009)
  • Author(s): 森正夫
  • Organizer: 日本天文学会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2009-03-26
• [Presentation] 原始銀河の進化とライマンアルファエミッターの関係 (2008)
  • Author(s): 森正夫
  • Organizer: 日本天文学会
  • Place of Presentation: 岡山理科大学
  • Year and Date: 2008-09-12
• [Presentation] アンドロメダの涙、その昔 (2008)
  • Author(s): 森正夫
  • Organizer: 日本天文学会
  • Place of Presentation: 岡山理科大学
  • Year and Date: 2008-09-12
• [Presentation] The Once and Future Andromeda Stream (2008)
  • Author(s): 森 正夫
  • Organizer: 日本天文学会
  • Place of Presentation: 国立オリンピック記念青少年総合センター
  • Year and Date: 2008-03-26
• [Remarks] ロンドン科学博物館 Science Museum London
  • URL: http://www.sciencemuseum.org.uk/antenna/galaxyformation/
• [Remarks] The History Channel, "The Biggest Things in Space.", 2008年3月25日午後9時, アメリカ合衆国
• [Remarks] 読売新聞夕刊2008/3/25、朝日新聞朝刊2006/3/30、日本工業新聞朝刊2006/3/30、Berliner Zeitung 2006/3/30、産経新聞朝刊2006/4/3、毎日新聞夕刊2006/4/3、 科学新聞2006/4/7、東京新聞朝刊2008/3/24、2006/6/20、神奈川新聞朝刊2008/3/24、神戸新聞2008/3/24、 US Front line 2008/3/23、共同通信、時事通信、その他。
• [Remarks] 日経サイエンス2006/6月号、Newton (ニュートン)2007/12月号
• [Remarks] ロンドン科学博物館Science Museum London
  • URL: http://www.sciencemuseum.org.uk/antenna/galaxyformation/
• [Remarks]
  • URL: http://www.ccs.tsukuba.ac.jp/Astro/Members/mmori
• [Remarks]
  • URL: http://www.ccs.tsukuba.ac.jp/Astro/Members/mmori/M31/M31-j.html