2009 Fiscal Year Final Research Report
Microlensing survey with MOA II 1.8m telescope
| Project/Area Number |
18253002
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 海外学術 |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | Nagoya University |
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Principal Investigator |
ABE Fumio Nagoya University, 太陽地球環境研究所, 准教授 (80184224)
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| Co-Investigator(Kenkyū-buntansha) |
MATSUBARA Yutaka 名古屋大学, 太陽地球環境研究所, 准教授 (80202323)
OHNISHI Kouji 長野工業高等専門学校, 一般科, 教授 (20290744)
SAITO Toshiharu 東京都立産業技術高等専門学校, ものづくり工学科, 教授 (40259833)
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| Project Period (FY) |
2006 – 2009
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| Research Abstract |
High cadence microlensing survey using MOA II 1.8m telescope installed at Mt. John Observatory, New Zealand have been executed toward Galactic bulge and Magellanic clouds. Using real time analysis, 1696 microlensing candidates have been found and observed collaborating with world wide follow-up network. From the analyses of microlensing events, characteristic planetary system such as solar system analogue, small planet around a small host, and giant planet around a small host. Discussion on the distribution of planets has started. Cool Neptune mass planets were found to be common in our Galaxy.
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Research Products
(43 results)
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[Journal Article] Sub-Saturn Planet MOA-2008-BLG-310Lb : Likely to be in the Galactic Bulge2010
Author(s)
Janczak, Julia, Abe, F., Matsubara, Y., Ohnishi, K., Saito, T., 他(全66人)
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Journal Title
The Astrophysical Journal 711
Pages: 731-743
Peer Reviewed
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[Journal Article] A Cold Neptune-Mass Planet OGLE-2007-BLG-368Lb : Cold Neptunes Are Common2010
Author(s)
Sumi, T., Abe, F., Matsubara, Y., Ohnishi, K., Saito, T., 他(全103人)
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Journal Title
The Astrophysical Journal 710
Pages: 1641-1653
Peer Reviewed
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[Journal Article] OGLE-2005-BLG-071Lb, the Most Massive M Dwarf Planetary Companion?2009
Author(s)
Dong, Subo, Abe, F., Matsubara, Y.,Ohnishi, K., Saito, T., 他(全84人)
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Journal Title
The Astrophysical Journal 695
Pages: 970-987
Peer Reviewed
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[Journal Article] A Low-Mass Planet with a Possible Sub-Stellar-Mass Host in Microlensing Event MOA-2007-BLG-1922008
Author(s)
Bennett, D.P.,Abe, F., Matsubara, Y., Ohnishi, K., Saito, T., 他(全47人)
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Journal Title
The Astrophysical Journal 684
Pages: 663-683
Peer Reviewed
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[Journal Article] Discovery of a Jupiter/Saturn Analog with Gravitational Microlensing2008
Author(s)
Gaudi, B.S., Abe, F., Matsubara, Y., Ohnishi, K., Saito, T., 他(全69人)
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Journal Title
Peer Reviewed
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