Masashi Chiba

チバマサシ | Masashi Chiba

Affiliation and department：
Job title： Professor
Homepage URL (2)： https://www.astr.tohoku.ac.jp/index.html , https://www.astr.tohoku.ac.jp/en/index.html

Research field (1)： Astronomy

Research keywords (2)： Observational cosmology , Fomation and evolution of galaxies

Research theme for competitive and other funds (15)：

2018 - 2023 Theory for the Formation of Star Clusters and the Evolution of Our Galaxy
2017 - 2021 Origin of Galactic First Generation Stars Based on Both Obserbations and Simulations of Very Metal-Poor Stars
2018 - 2020 Probing the nature of dark matter based on the theoretical analyses for observed dynamical structures of old stellar components in the Milky Way
2016 - 2018 Probing dark matter structure based on dynamics of old stellar population in galaxies
2013 - 2016 Probing the origin of primordial minihalos with gravitational lensing

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Papers (106)：

Yutaka Hirai, Timothy C Beers, Masashi Chiba, Wako Aoki, Derek Shank, Takayuki R Saitoh, Takashi Okamoto, Junichiro Makino. Origin of highly r-process-enhanced stars in a cosmological zoom-in simulation of a Milky Way-like galaxy. Monthly Notices of the Royal Astronomical Society. 2022
Nashimoto, Masashi, Tanaka, Masayuki, Chiba, Masashi, Hayashi, Kohei, Komiyama, Yutaka, Okamoto, Takashi. The Missing Satellite Problem outside of the Local Group. II. Statistical Properties of Satellites of Milky Way-like Galaxies. The Astrophysical Journal. 2022
Hei Yin Jowett Chan, Elisa G M Ferreira, Simon May, Kohei Hayashi, Masashi Chiba. The diversity of core-halo structure in the fuzzy dark matter model. Monthly Notices of the Royal Astronomical Society. 2022. 511. 1. 943-952
Tian Qiu, Wenting Wang, Masahiro Takada, Naoki Yasuda, Zeljko Ivezic, Robert H. Lupton, Masashi Chiba, Miho Ishigaki, Yutaka Komiyama. Proper motion measurements for stars up to 100 kpc with Subaru HSC and SDSS Stripe 82. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 2021. 501. 4. 5149-5175
Daniela Carollo, Masashi Chiba. The Nature of the Milky Way's Stellar Halo Revealed by the Three Integrals of Motion. ASTROPHYSICAL JOURNAL. 2021. 908. 2

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MISC (23)：

林航平, 千葉柾司, 石山智明. 銀河系矮小銀河ダークマター密度分布の多様性. 日本天文学会年会講演予稿集. 2021. 2021
三木洋平, 桐原崇亘, 森正夫, 小宮山裕, 千葉柾司, 田中幹人, 石垣美歩, 林航平. M31恒星ストリームと暗黒物質サブハローの相互作用:すばるPFSへの期待. 日本天文学会年会講演予稿集. 2020. 2020
Tetsuya Fukushima, Masashi Chiba, Mikito Tanaka, Kohei Hayashi, Daisuke Homma, Sakurako Okamoto, Yutaka Komiyama, Masayuki Tanaka, Nobuo Arimoto, Tadafumi Matsuno. The stellar halo of the Milky Way traced by blue horizontal-branch stars in the Subaru Hyper Suprime-Cam Survey. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN. 2019. 71. 4
石垣美歩, 林航平, 千葉柾司, 矢部清人, COHEN Judith G., WYSE Rosemary F. G., KIRBY Evan N. PFSによる銀河系外部ハローの元素組成分布の解明. 日本天文学会年会講演予稿集. 2018. 2018
桐原崇亘, 三木洋平, 森正夫, 小宮山裕, 千葉柾司, 田中幹人, 田中賢幸, 林航平. アンドロメダ銀河North-Westernストリームの形成過程. 日本天文学会年会講演予稿集. 2018. 2018

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Books (7)：

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Lectures and oral presentations (58)：

APOGEE red-clump star の解析から明らかになった銀河系円盤の化学動力学進化
(日本天文学会秋季年会 2016)
4重像レンズQSOにおける暗黒矮小銀河のエビデンス
(日本天文学会春季年会 2016)
ダークハローの面密度の普遍性とダークマター理論への制限
(日本天文学会秋季年会 2015)
サブミリレンズ銀河SDP.81 におけるダークマター小構造の痕跡
(日本天文学会秋季年会 2015)
Discovery of new dwarf galaxies around NGC4631 with Subaru/Hyper Suprime-Cam
(IAU Symp 317 2015)

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Professional career (1)：

Committee career (11)：

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Association Membership(s) (1)：

日本天文学会

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