New Frontiers of Extrasolar Planets: Exploring Terrestrial Planets

2015 Fiscal Year Annual Research Report

• Project Area: New Frontiers of Extrasolar Planets: Exploring Terrestrial Planets
• Project/Area Number: 23103001
• Research Institution: National Astronomical Observatory of Japan
• Principal Investigator: 林 正彦 国立天文台, 大学共同利用機関等の部局等, 台長 (10183914)
• Co-Investigator(Kenkyū-buntansha): 百瀬 宗武 茨城大学, 理学部, 教授 (10323205) ; 倉本 圭 北海道大学, 理学研究院, 教授 (50311519) ; 井田 茂 東京工業大学, 地球生命研究所, 教授 (60211736) ; 左近 樹 東京大学, 大学院理学系研究科, 助教 (70451820)
• Project Period (FY): 2011-04-01 – 2016-03-31
• Keywords: 系外惑星 / 惑星大気 / 原始惑星系円盤 / 惑星系形成

Outline of Annual Research Achievements

平成27年度は本領域研究の第5年次に当たる。総括班は引き続き4件の計画研究、すなわちA01「ガス惑星の直接撮像・分光と地球型惑星の検出」、A01「系外惑星大気の数値モデリングと形成進化理論」、B01「円盤から惑星へ」、B02「ハビタブル地球型惑星の形成理論」を有機的な連携のもと推進するために活動した。 　2016年2月21日から24日にかけて、本領域研究の集大成となる国際研究会「Exoplanets and Disks: Their Formation and Diversity III」を石垣島にて開催した。またこれ以外も小規模な国際研究会を1件開催した。これら2件の国際研究会への参加者数はのべ167名で、そのうち22名が外国人であった。

Research Progress Status

27年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

27年度が最終年度であるため、記入しない。

Research Products

• [Journal Article] A Gap with a Deficit of Large Grains in the Protoplanetary Disk around TW Hya (2016)
  • Author(s): Tsukagoshi, T.., Nomura, H., Muto, T.., Kawabe, R., Ishimoto, D., Kanagawa, K. D., Okuzumi, S., Ida, S., Walsh, C., & Millar, T. J.
  • Journal Title: The Astrophysical Journal Letters Volume: Volume.829 Pages: L35
  • DOI: 10.3847/2041-8205/829/2/L35
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Formation and Evolution of Protoatmospheres (2016)
  • Author(s): Massol, H., Hamano K., Tian F., Ikoma M., Abe, Y.., Chassefiere E., Davaille A., Genda H., Gudel M., Hori Y., Leblanc F., Marcq E., Sarda P., Shematovich, V. I., Stokl, A. and Lammer H
  • Journal Title: Space Science Reviews Volume: Volume 205, Issue 1-4, Pages: 153-211
  • DOI: 10.1007/s11214-016-0280-1
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Dust and Gas Density Evolution at a Radial Pressure Bump in Protoplanetary Disks (2016)
  • Author(s): Taki, T. Fujimoto, M., Ida, S
  • Journal Title: The Astrophysical Journal Volume: vol. 591, A86 Pages: 8pp
  • DOI: 10.1051/0004-6361/201527732
  • Peer Reviewed / Open Access
• [Journal Article] On the water delivery to terrestrial embryos by ice pebble accretion (2016)
  • Author(s): Sato, T., Okuzumi, S., Ida, S
  • Journal Title: Astronomy & Astrophysics Volume: 589, id.A15 Pages: 19pp
  • DOI: 10.1051/0004-6361/201527069
  • Peer Reviewed / Open Access
• [Journal Article] Sintering-induced Dust Ring Formation in Protoplanetary Disks: Application to the HL Tau Disk (2016)
  • Author(s): Okuzumi, S., … (全5名)
  • Journal Title: The Astrophysical Journal Volume: vol. 821, 82 Pages: 24pp
  • DOI: 10.3847/0004-637x/821/2/82
  • Peer Reviewed / Open Access
• [Journal Article] ALMA Observations of a Gap and a Ring in the Protoplanetary Disk around TW Hya (2016)
  • Author(s): Nomura, H., Tsukagoshi, T., Kawabe, R., Ishimoto, D., Okuzumi, S., Muto, T., Kanagawa, K.D., Ida, S., Walsh, C., Millar, T.J.; Bai, X.-N.
  • Journal Title: Astrophys. J. Letter Volume: vol. 819, L7 Pages: 7pp
  • DOI: 10.3847/2041-8205/819/1/L7
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Near-IR Polarized Scattered Light Imagery of the DoAr 28 Transitional Disk (2015)
  • Author(s): Rich, Evan A. ..., Guyon, O., …Hayashi, M.,… (全50名)
  • Journal Title: The Astrophysical Journal Volume: Vol.150, Issue 2, A.86 Pages: 9pp
  • DOI: 10.1088/0004-6256/150/3/86
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Extremely Bright Submillimeter Galaxies beyond the Lupus-I Star-forming Region (2015)
  • Author(s): Tamura, Y.,…Hayashi, M.,… (全28名)
  • Journal Title: The Astrophysical Journal Volume: Vol.808, Issue 2, A.121 Pages: 14pp
  • DOI: 10.1088/0004-637X/808/2/121
  • Peer Reviewed / Open Access
• [Journal Article] Near-IR High-resolution Imaging Polarimetry of the SU Aur Disk: Clues for Tidal Tails? (2015)
  • Author(s): de Leon, Jerome…Guyon, O., …Hayashi, M.,…(全55名)
  • Journal Title: The Astrophysical Journal Letters Volume: Volume 806, Issue 1 Pages: L10.12pp
  • DOI: 10.1088/2041-8205/806/1/L10
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] MOA-2007-BLG-197: Exploring the brown dwarf desert (2015)
  • Author(s): Ranc, C.,…Sumi, T.,...(全51名)
  • Journal Title: The Astrophysical Journal Volume: Volume 580, article id A125 Pages: 16 pp
  • DOI: 10.1051/0004-6361/201525791
  • Peer Reviewed / Open Access
• [Journal Article] Rapid Water Loss Can Extend the Lifetime of Planetary Habitability, (2015)
  • Author(s): Kodama, T., Genda, H., Abe, Y.., and Zahnle, K. J.,
  • Journal Title: The Astrophysical Journal Volume: Volume 812, article id.165 Pages: 11pp
  • DOI: 10.1088/0004-637X/812/2/165
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Lifetime and Spectral Evolution of a Magma Ocean with a Steam Atmosphere: Its Detectability by Future Direct Imaging (2015)
  • Author(s): Hamano, K., Kawahara, H., Abe, Y.., Onishi, M., and Hashimoto, G.. L.
  • Journal Title: The Astrophsical Journal Volume: Volume 806, article id. 216 Pages: 17pp
  • DOI: 10.1088/0004-637X/806/2/216
  • Peer Reviewed / Open Access
• [Journal Article] The circulation pattern and day-night heat transport in the atmosphere of a synchronously rotating aquaplanet: Dependence on planetary rotation rate (2015)
  • Author(s): Noda, S., Ishiwatari, M., Nakajima, K., Takahashi, Y. O., Takehiro, S., Onishi, M., Hashimoto, G.. L., Kuramoto, K., and Hayashi, Y.-Y.
  • Journal Title: Icarus Volume: 282 Pages: 1-18
  • DOI: 10.1016/j.icarus.2016.09.004
  • Peer Reviewed / Open Access
• [Journal Article] An Achromatic Focal Plane Mask for High-Performance Broadband Coronagraphy (2015)
  • Author(s): Newman, K.; Guyon, O,… (全7名)
  • Journal Title: The Astronomical Society of the Pacific Volume: Volume 127, Number 951, Pages: 437-444
  • DOI: 10.1086/681242
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Resolution dependence of disruptive collisions between planetesimals in the gravity regime (2015)
  • Author(s): Genda, H, Fujita, T., Kobayashi, H., Tanaka, H, and Abe, Y.
  • Journal Title: Icarus Volume: Volume 262 Pages: p.58-56
  • DOI: 10.1016/j.icarus.2015.08.029
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Significant gas-to-dust ratio asymmetry and variation in the disk of HD 142527 and the indication of gas depletion (2015)
  • Author(s): Muto, T.., Tuskagoshi, T.., Momose, M., Hanawa, T., Nomura, H., Fukagawa, M.., Saigo, K., Kataoka, A., Kitamura, Y., Takahashi, S. Z., Inutsuka, S.-i., Takeuchi, T., Kobayashi, H., Akiyama, E., Honda, M., Fujiwara, H., & Shibai, H.
  • Journal Title: PASJ Volume: Vol.67, 122 Pages: 28pp
  • DOI: 10.1093/pasj/psv098
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Impact of the initial disk mass function on the disk fraction (2015)
  • Author(s): Ohsawa, R., Onaka, T.., & Yasui, C
  • Journal Title: PASJ Volume: Vol.67, 120 Pages: 9pp
  • DOI: 10.1093/pasj/psv094
  • Peer Reviewed / Open Access
• [Journal Article] Detailed structure of the outer disk around HD 169142 with polarized light in H-band (2015)
  • Author(s): Momose, M., Morita, A., Fukagawa, M.., Muto, T.., Takeuchi, T., Hashimoto, J., Honda, M.,(他55名）
  • Journal Title: PASJ Volume: Vol.67, 83 Pages: 16pp
  • DOI: 10.1093/pasj/psv051
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Analytical Formulae of Molecular Ion Abundances and the N2H+ Ring in Protoplanetary Disks (2015)
  • Author(s): Aikawa, Y..., Furuya, K., Nomura, H., & Qi, C.
  • Journal Title: ApJ Volume: Vol.807, 120 Pages: 8pp
  • DOI: 10.1088/0004-637X/807/2/120)
  • Peer Reviewed / Open Access
• [Journal Article] Formation of terrestrial planets in disks evolving via disk winds and implications for the origin of the solar system's terrestrial planets (2015)
  • Author(s): Ogihara, M., Kobayashi, H., Inutsuka, S. & Suzuki, T. K
  • Journal Title: Astronomy & Astrophysics Volume: vol. 579, A65 Pages: 8pp
  • DOI: 10.1051/0004-6361/201525636
  • Peer Reviewed / Open Access
• [Presentation] Microlensing exoplanet search toward the solar system analog (2016)
  • Author(s): T. Sumi
  • Organizer: International Workshop on "Exoplanets and Disks: Their Formation and Diversity III
  • Place of Presentation: ホテル日航八重山、（沖縄県、石垣島）
  • Year and Date: 2016-02-23 – 2016-02-23
  • Int'l Joint Research
• [Presentation] Evolution of the steam atmosphere and ocean formation (2016)
  • Author(s): Yutaka ABE
  • Organizer: ISSI Workshop on the delivery of water to proto-planets, planets and satellites
  • Place of Presentation: ISSI, Bern (Switzerland)
  • Year and Date: 2016-01-14 – 2016-01-14
  • Int'l Joint Research / Invited
• [Presentation] Chemistry in the Forming Disks (2016)
  • Author(s): Y. Aikawa
  • Organizer: Workshop, ALMA-Cycle 4, Astrochemistry as a diagnostic of Star and Planet Formation
  • Place of Presentation: Observatoire de Bordeaux, (France)
  • Year and Date: 2016-01-12 – 2016-01-13
  • Int'l Joint Research / Invited
• [Presentation] Organic dust in galaxies (2015)
  • Author(s): T. Onaka
  • Organizer: The 11th Pacific Rim Conference on Stellar Astrophysics, Physics and Chemistry of the Late Stages of Stellar Evolution
  • Place of Presentation: Hong Kong, (PR China)
  • Year and Date: 2015-12-14 – 2015-12-17
  • Int'l Joint Research / Invited
• [Presentation] Extreme intermittency of moist convection on the giant planets (2015)
  • Author(s): K. Sugiyama, K. Nakajima, M. Odaka, K. Kuramoto, and Y.-Y. Hayashi
  • Organizer: Joint Juno/Cassini Jupiter-Saturn Atmospheric Dynamics Meeting
  • Place of Presentation: San Francisco Marriott Marquis, San Francisco (USA)
  • Year and Date: 2015-12-13 – 2015-12-13
  • Int'l Joint Research / Invited
• [Presentation] A massive primordial-atmosphere on proto-Titan formed in a cold circum-planetary disk (2015)
  • Author(s): T. Mikami, Y. Takahashi, and K. Kuramoto
  • Organizer: EPSC2015
  • Place of Presentation: La Cite des Congres, Nantes,（France)
  • Year and Date: 2015-10-30 – 2015-10-30
  • Int'l Joint Research
• [Presentation] 比較惑星海洋学とハビタビリティ (2015)
  • Author(s): 関根康人
  • Organizer: 日本地球化学会年会
  • Place of Presentation: 横浜国立大学（神奈川県、横浜市）
  • Year and Date: 2015-09-16 – 2015-09-16
  • Invited
• [Presentation] 小天体の含水鉱物探査にむけたMIMIZUKU近赤外線分光機能の検討 (2015)
  • Author(s): 高遠徳尚,(他9名）
  • Organizer: 日本天文学会2015年秋季年会
  • Place of Presentation: 甲南大学（兵庫県、神戸市）
  • Year and Date: 2015-09-09 – 2015-09-11
• [Presentation] AKARI near-infrared spectroscopy of interstellar ices (2015)
  • Author(s): T. Onaka
  • Organizer: Focused Meeting 12, Bridging Laboratory Astrophysics and Astronomy
  • Place of Presentation: IAU General Assembly, Honolulu, Hawaii, (U.S.A.)
  • Year and Date: 2015-08-03 – 2015-08-05
  • Int'l Joint Research / Invited
• [Presentation] Astrochemical models of water in molecular clouds and protoplanetary disks (2015)
  • Author(s): Y. Aikawa
  • Organizer: Focus Meeting 15, International Astronomical Union General Assembly XXIX
  • Place of Presentation: Honolulu, Hawaii, (U.S.A.)
  • Year and Date: 2015-08-03 – 2015-08-05
  • Int'l Joint Research / Invited
• [Presentation] SPICA update (2015)
  • Author(s): T. Onaka
  • Organizer: FIR Surveyor Workshop
  • Place of Presentation: Pasadena, (U.S.A.)
  • Year and Date: 2015-06-03 – 2015-06-05
  • Int'l Joint Research / Invited
• [Book] 系外惑星の事典 (2016)
  • Author(s): 井田茂 ・田村元秀 ・生駒大洋 ・関根康人
  • Total Pages: 356
  • Publisher: 朝倉書店
• [Book] 生命の星の条件を探る (2015)
  • Author(s): 阿部豊
  • Total Pages: 238
  • Publisher: 文藝春秋
• [Remarks] 新学術領域研究ウェブサイト
  • URL: http:/exoplanets.astron.s.u-tokyo.ac.u-tokyo.ac.jp/index.php
• [Funded Workshop] 平成27年度「系外惑星」国際研究会 (2016)
  • Place of Presentation: ホテル日航八重山 石垣島 沖縄県
  • Year and Date: 2016-02-20 – 2016-02-24