越本直季 (Naoki Koshimoto) - マイポータル

基本情報

所属: 大阪大学大学院理学研究科特任助教

ORCID iD: https://orcid.org/0000-0003-2302-9562
J-GLOBAL ID: 202301016644424172
researchmap会員ID: R000053962

論文

105

Keck and Hubble Observations Show that MOA-2008-BLG-379Lb is a Super-Jupiter Orbiting an M Dwarf

David P. Bennett, Aparna Bhattacharya, Jean-Philippe Beaulieu, Naoki Koshimoto, Joshua W. Blackman, Ian A. Bond, Clément Ranc, Natalia Rektsini, Sean K. Terry, Aikaterini Vandorou …

The Astronomical Journal 168(1) 15-15 2024年6月18日
Measurement of Dependence of Microlensing Planet Frequency on the Host Star Mass and Galactocentric Distance by Using a Galactic Model

Kansuke Nunota, Naoki Koshimoto, Daisuke Suzuki, Takahiro Sumi, David P. Bennett, Aparna Bhattacharya, Yuki Hirao, Sean K. Terry, Aikaterini Vandorou

The Astrophysical Journal 967(2) 77-77 2024年5月21日
Systematic KMTNet Planetary Anomaly Search. XI. Complete Sample of 2016 Subprime Field Planets

In-Gu Shin, Jennifer C. Yee, Weicheng Zang, Cheongho Han, Hongjing Yang, Andrew Gould, Chung-Uk Lee, Andrzej Udalski, Takahiro Sumi, Michael D. Albrow …

The Astronomical Journal 167(6) 269-269 2024年5月16日
KMT-2023-BLG-1431Lb: A New q < 10⁻⁴ Microlensing Planet from a Subtle Signature

Aislyn Bell, Jiyuan Zhang, Weicheng Zang, Youn Kil Jung, Jennifer C. Yee, Hongjing Yang, Takahiro Sumi, Andrzej Udalski, Michael D. Albrow, Sun-Ju Chung …

Publications of the Astronomical Society of the Pacific 136(5) 054402-054402 2024年5月1日
OGLE-2014-BLG-0221Lb: A Jupiter Mass Ratio Companion Orbiting Either a Late-type Star or a Stellar Remnant

Rintaro Kirikawa, Takahiro Sumi, David P. Bennett, Daisuke Suzuki, Naoki Koshimoto, Shota Miyazaki, Ian A. Bond, Andrzej Udalski, Nicholas J. Rattenbury, Fumio Abe …

The Astronomical Journal 2024年4月1日査読有り
Three sub-Jovian-mass microlensing planets: MOA-2022-BLG-563Lb, KMT-2023-BLG-0469Lb, and KMT-2023-BLG-0735Lb

Cheongho Han, Youn Kil Jung, Ian A. Bond, Andrew Gould, Michael D. Albrow, Sun-Ju Chung, Kyu-Ha Hwang, Chung-Uk Lee, Yoon-Hyun Ryu, In-Gu Shin …

Astronomy & Astrophysics 683 A115-A115 2024年3月12日
Systematic reanalysis of KMTNet microlensing events, paper I: Updates of the photometry pipeline and a new planet candidate

Hongjing Yang, Jennifer C Yee, Kyu-Ha Hwang, Qiyue Qian, Ian A Bond, Andrew Gould, Zhecheng Hu, Jiyuan Zhang, Shude Mao, Wei Zhu …

Monthly Notices of the Royal Astronomical Society 528(1) 11-27 2023年11月27日
Brown dwarf companions in binaries detected in the 2021 season high-cadence microlensing surveys

Cheongho Han, Youn Kil Jung, Ian A. Bond, Sun-Ju Chung, Michael D. Albrow, Andrew Gould, Kyu-Ha Hwang, Chung-Uk Lee, Yoon-Hyun Ryu, In-Gu Shin …

Astronomy & Astrophysics 678 A190-A190 2023年10月24日
KMT-2021-BLG-1547Lb: Giant microlensing planet detected through a signal deformed due to source binarity

Cheongho Han, Weicheng Zang, Youn Kil Jung, Ian A. Bond, Sun-Ju Chung, Michael D. Albrow, Andrew Gould, Kyu-Ha Hwang, Yoon-Hyun Ryu, In-Gu Shin …

Astronomy & Astrophysics 678 A101-A101 2023年10月13日
OGLE-2019-BLG-0825: Constraints on the Source System and Effect on Binary-lens Parameters Arising from a Five-day Xallarap Effect in a Candidate Planetary Microlensing Event

Yuki K. Satoh, Naoki Koshimoto, David P. Bennett, Takahiro Sumi, Nicholas J. Rattenbury, Daisuke Suzuki, Shota Miyazaki, Ian A. Bond, Andrzej Udalski, Andrew Gould …

The Astronomical Journal 166(3) 116-116 2023年8月18日
Terrestrial- and Neptune-mass Free-Floating Planet Candidates from the MOA-II 9 yr Galactic Bulge Survey

Naoki Koshimoto, Takahiro Sumi, David P. Bennett, Valerio Bozza, Przemek Mróz, Andrzej Udalski, Nicholas J. Rattenbury, Fumio Abe, Richard Barry, Aparna Bhattacharya …

The Astronomical Journal 166(3) 107-107 2023年8月16日
Free-floating Planet Mass Function from MOA-II 9 yr Survey toward the Galactic Bulge

Takahiro Sumi, Naoki Koshimoto, David P. Bennett, Nicholas J. Rattenbury, Fumio Abe, Richard Barry, Aparna Bhattacharya, Ian A. Bond, Hirosane Fujii, Akihiko Fukui …

The Astronomical Journal 166(3) 108-108 2023年8月16日
KMT-2022-BLG-0475Lb and KMT-2022-BLG-1480Lb: Microlensing ice giants detected via the non-caustic-crossing channel

Cheongho Han, Chung-Uk Lee, Ian A. Bond, Weicheng Zang, Sun-Ju Chung, Michael D. Albrow, Andrew Gould, Kyu-Ha Hwang, Youn Kil Jung, Yoon-Hyun Ryu …

Astronomy & Astrophysics 676 A97-A97 2023年8月14日
Probable brown dwarf companions detected in binary microlensing events during the 2018–2020 seasons of the KMTNet survey

Cheongho Han, Youn Kil Jung, Doeon Kim, Andrew Gould, Valerio Bozza, Ian A. Bond, Sun-Ju Chung, Michael D. Albrow, Kyu-Ha Hwang, Yoon-Hyun Ryu …

Astronomy & Astrophysics 675 A71-A71 2023年7月4日
KMT-2021-BLG-1150Lb: Microlensing planet detected through a densely covered planetary-caustic signal

Cheongho Han, Youn Kil Jung, Ian A. Bond, Andrew Gould, Sun-Ju Chung, Michael D. Albrow, Kyu-Ha Hwang, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald …

Astronomy & Astrophysics 675 A36-A36 2023年6月30日
Optical Alignment Method for the PRIME Telescope

Hibiki Yama, Daisuke Suzuki, Shota Miyazaki, Andrew Rakich, Tsubasa Yamawaki, Rintaro Kirikawa, Iona Kondo, Yuki Hirao, Naoki Koshimoto, Takahiro Sumi

Journal of Astronomical Instrumentation 2023年6月28日
Prediction of Planet Yields by the PRime-focus Infrared Microlensing Experiment Microlensing Survey

Iona Kondo, Takahiro Sumi, Naoki Koshimoto, Nicholas J. Rattenbury, Daisuke Suzuki, David P. Bennett

The Astronomical Journal 2023年6月1日査読有り
MOA-2022-BLG-249Lb: Nearby microlensing super-Earth planet detected from high-cadence surveys

Cheongho Han, Andrew Gould, Youn Kil Jung, Ian A. Bond, Weicheng Zang, Sun-Ju Chung, Michael D. Albrow, Kyu-Ha Hwang, Yoon-Hyun Ryu, In-Gu Shin …

2023年4月6日査読有り
MOA-2020-BLG-208Lb: Cool Sub-Saturn-mass Planet within Predicted Desert

Greg Olmschenk, David P. Bennett, Ian A. Bond, Weicheng Zang, Youn Kil Jung, Jennifer C. Yee, Etienne Bachelet, Fumio Abe, Richard K. Barry, Aparna Bhattacharya …

The Astronomical Journal 165(4) 175-175 2023年3月24日
Mass Production of 2021 KMTNet Microlensing Planets. III. Analysis of Three Giant Planets

In-Gu Shin, Jennifer C. Yee, Andrew Gould, Kyu-Ha Hwang, Hongjing Yang, Ian A. Bond, Michael D. Albrow, Sun-Ju Chung, Cheongho Han, Youn Kil Jung …

The Astronomical Journal 165(1) 8-8 2022年12月7日

もっとみる

MISC

OGLE-2014-BLG-0319: A Sub-Jupiter-mass Planetary Event Encountered Degeneracy with Different Mass Ratios and Lens-source Relative Proper Motions

Shota Miyazaki, Daisuke Suzuki, Andrzej Udalski, Naoki Koshimoto, David P. Bennett, Takahiro Sumi, Nicholas Rattenbury, Han Cheongho, Fumio Abe, Richard K. Barry …

The Astronomical Journal 163(3) 123 2022年2月10日
KMT-2021-BLG-0912Lb: a microlensing super Earth around a K-type star

Cheongho Han, Ian A. Bond, Jennifer C. Yee, Weicheng Zang, Michael D. Albrow, Sun-Ju Chung, Andrew P. Gould, Kyu-Ha Hwang, Youn Kil Jung, Doeon Kim …

Astronomy & Astrophysics 658 A94 2022年2月
Systematic KMTNet Planetary Anomaly Search. II. Six New q < 2 × 10−4 Mass-ratio Planets

Kyu-Ha Hwang, Weicheng Zang, Andrew Gould, Andrzej Udalski, Ian A. Bond, Hongjing Yang, Shude Mao, Michael D. Albrow, Sun-Ju Chung, Cheongho Han …

The Astronomical Journal 163(2) 43 2022年1月5日
An Earth-mass planet in a time of COVID-19: KMT-2020-BLG-0414Lb

Weicheng Zang, Cheongho Han, Iona Kondo, Jennifer C. Yee, Chung-Uk Lee, Andrew Gould, Shude Mao, Leandro de Almeida, Yossi Shvartzvald, Xiangyu Zhang …

Research in Astronomy and Astrophysics 21(9) 239 2021年11月1日
KMT-2021-BLG-0322: Severe degeneracy between triple-lens and higher-order binary-lens interpretations

Cheongho Han, Andrew Gould, Yuki Hirao, Chung-Uk Lee, Michael D. Albrow, Sun-Ju Chung, Kyu-Ha Hwang, Youn Kil Jung, Doeon Kim, Shude Mao …

Astronomy & Astrophysics 655 A24 2021年11月
OGLE-2019-BLG-0960 Lb: the Smallest Microlensing Planet

Jennifer C. Yee, Weicheng Zang, Andrzej Udalski, Yoon-Hyun Ryu, Jonathan Green, Steve Hennerley, Andrew Marmont, Takahiro Sumi, Shude Mao, Mariusz Gromadzki …

The Astronomical Journal 162(5) 180 2021年10月6日
Systematic KMTNet Planetary Anomaly Search. I. OGLE-2019-BLG-1053Lb, a Buried Terrestrial Planet

Weicheng Zang, Kyu-Ha Hwang, Andrzej Udalski, Tianshu Wang, Wei Zhu, Takahiro Sumi, Jennifer C. Yee, Andrew Gould, Shude Mao, Xiangyu Zhang …

The Astronomical Journal 162(4) 163 2021年9月24日
No Large Dependence of Planet Frequency on Galactocentric Distance

Naoki Koshimoto, David P. Bennett, Daisuke Suzuki, Ian A. Bond

The Astrophysical Journal Letters 918(1) L8 2021年8月26日
A Parametric Galactic Model toward the Galactic Bulge Based on Gaia and Microlensing Data

Naoki Koshimoto, Junichi Baba, David P. Bennett

The Astrophysical Journal 917(2) 78 2021年8月1日
OGLE-2018-BLG-1185b: A Low-mass Microlensing Planet Orbiting a Low-mass Dwarf

Iona Kondo, Jennifer C. Yee, David P. Bennett, Takahiro Sumi, Naoki Koshimoto, Ian A. Bond, Andrew Gould, Andrzej Udalski, Yossi Shvartzvald, Youn Kil Jung …

The Astronomical Journal 162(2) 77 2021年7月29日
MOA-2007-BLG-400 A Super-Jupiter-mass Planet Orbiting a Galactic Bulge K-dwarf Revealed by Keck Adaptive Optics Imaging

Aparna Bhattacharya, David P. Bennett, Jean Philippe Beaulieu, Ian A. Bond, Naoki Koshimoto, Jessica R. Lu, Joshua W. Blackman, Aikaterini Vandorou, Sean K. Terry, Virginie Batista …

The Astronomical Journal 162(2) 60 2021年7月15日
New giant planet beyond the snow line for an extended MOA exoplanet microlens sample

Clément Ranc, David P Bennett, Richard K Barry, Naoki Koshimoto, Jan Skowron, Yuki Hirao, Ian A Bond, Takahiro Sumi, Lars Bathe-Peters, Fumio Abe …

Monthly Notices of the Royal Astronomical Society 506(1) 1498-1506 2021年6月26日
KMT-2019-BLG-0371 and the Limits of Bayesian Analysis

Yun Hak Kim, Sun-Ju Chung, Jennifer C. Yee, A. Udalski, Ian A. Bond, Youn Kil Jung, Andrew Gould, Michael D. Albrow, Cheongho Han, Kyu-Ha Hwang …

The Astronomical Journal 162(1) 17 2021年6月15日
Revealing Short-period Exoplanets and Brown Dwarfs in the Galactic Bulge Using the Microlensing Xallarap Effect with the Nancy Grace Roman Space Telescope

Shota Miyazaki, Samson A. Johnson, Takahiro Sumi, Matthew T. Penny, Naoki Koshimoto, Tsubasa Yamawaki

The Astronomical Journal 161(2) 84 2021年1月25日
MOA-2009-BLG-319Lb: A Sub-Saturn Planet inside the Predicted Mass Desert

Sean K. Terry, Aparna Bhattacharya, David P. Bennett, Jean-Philippe Beaulieu, Naoki Koshimoto, Joshua W. Blackman, Ian A. Bond, Andrew A. Cole, Calen B. Henderson, Jessica R. Lu …

The Astronomical Journal 161(2) 54 2021年1月6日
KMT-2019-BLG-0842Lb: A Cold Planet below the Uranus/Sun Mass Ratio

Youn Kil Jung, Andrzej Udalski, Weicheng Zang, Ian A. Bond, Jennifer C. Yee, Cheongho Han, Michael D. Albrow, Sun-Ju Chung, Andrew Gould, Kyu-Ha Hwang …

The Astronomical Journal 160(6) 255 2020年11月10日
Evidence of Systematic Errors in Spitzer Microlens Parallax Measurements

Naoki Koshimoto, David P. Bennett

The Astronomical Journal 160(4) 177 2020年9月21日
OGLE-2018-BLG-1269Lb: A Jovian Planet with a Bright I = 16 Host

Youn Kil Jung, Andrew Gould, Andrzej Udalski, Takahiro Sumi, Jennifer C. Yee, Cheongho Han, Michael D. Albrow, Sun-Ju Chung, Kyu-Ha Hwang, Yoon-Hyun Ryu …

The Astronomical Journal 160(3) 148 2020年9月2日
Revisiting MOA 2013-BLG-220L: A Solar-type Star with a Cold Super-Jupiter Companion

Aikaterini Vandorou, David P. Bennett, Jean-Philippe Beaulieu, Christophe Alard, Joshua W. Blackman, Andrew A. Cole, Aparna Bhattacharya, Ian A. Bond, Naoki Koshimoto, Jean-Baptiste Marquette

The Astronomical Journal 160(3) 121 2020年8月17日
OGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk

Yuki Hirao, David P. Bennett, Yoon-Hyun Ryu, Naoki Koshimoto, Andrzej Udalski, Jennifer C. Yee, Takahiro Sumi, Ian A. Bond, Yossi Shvartzvald, Fumio Abe …

The Astronomical Journal 160(2) 74 2020年7月23日

もっとみる

共同研究・競争的資金等の研究課題

重力マイクロレンズを用いた地球質量の系外惑星、浮遊惑星及びブラックホールの探査

日本学術振興会科学研究費助成事業国際共同研究加速基金(海外連携研究) 2023年9月 - 2027年3月

住貴宏, 宮崎翔太, 越本直季
重力マイクロレンズ法によるＭ型星周りの地球質量～恒星質量までの伴星の存在量の制限

日本学術振興会科学研究費助成事業特別研究員奨励費 2015年4月 - 2018年3月

越本直季