Nishiyama Shogo 西山正吾

… Alternative Names

NISHIYAMA Shogo 西山正吾

西山正吾ニシヤマシヨウゴ

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Researcher Number	20377948
Other IDs
Affiliation (Current)	2025: 宮城教育大学, 教育学部, 教授
Affiliation (based on the past Project Information) *help	2025: 宮城教育大学, 教育学部, 教授 2014 – 2024: 宮城教育大学, 教育学部, 准教授 2011 – 2013: 国立天文台, 太陽系外惑星探査プロジェクト室, 研究員 2012: 国立天文台, 大学共同利用機関等の部局等, 研究員 2008: 国立天文台, 研究員 2007: National Astronomical Observatory of Japan, 光赤外研究部, 研究員
Review Section/Research Field	Principal Investigator Astronomy / Basic Section 16010:Astronomy-related / Medium-sized Section 16:Astronomy and related fields / Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields / Science and Engineering Except Principal Investigator Medium-sized Section 16:Astronomy and related fields / Basic Section 09050:Tertiary education-related / Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Particle/Nuclear/Cosmic ray/Astro physics / Astronomy
Keywords	Principal Investigator 分光 / ブラックホール / 赤外線 / 天文学 / 赤外線天文学 / 銀河系 / 補償光学 / 相対性理論 / 光学赤外線天文学 / 連星系 … More / 近赤外線 / 波面センサー / 一般相対性理論 / 赤外線分光 / 観測天文学 / クェーサー / 物理定数 / クエーサー / ドップラー効果 / 星 / 宇宙科学 / 光赤外線天文学 / 銀河中心核 / 光ファイバー / 太陽系外惑星 / 分光学 / 星形成 / 銀河系中心 / 星間塵 / 磁場 / 偏光 … More Except Principal Investigator 銀河系中心 / 星間物質 / 光学赤外線天文学 / 天の川銀河 / 実践研究 / 理論の活用 / ICT活用 / 理論と実践の往還 / 主体的学修 / 教師教育 / 教員養成 / 理科教育 / 大質量星 / 白色矮星連星系 / 近赤外線天文学 / 巨大ブラックホール / S星 / 暗黒物質 / ブラックホール / 星間ダスト / ガンマ線バースト / 銀河磁場 / 偏光 / 宇宙科学 / 宇宙物理学 / Sスター / 長大質量ブラックホール / 暗い質量 / S２ / 見えない質量 / ブラックホールスピン / 超大質量ブラックホール / 赤外線観測 / 星間偏光 / 星間磁場 / 赤外線暗黒星雲 / 国際研究者交流 Less

The origin of binary black holes in the Galactic center: Quantitative test using a new techniquiePrincipal Investigator
- Principal Investigator
  
  西山正吾
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 16010:Astronomy-related
- Research Institution
  Miyagi University of Education
Analysis of stellar motion to reveal the dark matter distribution around the Galactic center supermassive black hole
- Principal Investigator
  
  孝森洋介
- Project Period (FY)
  2024 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  Wakayama National College of Technology
近赤外線特殊狭帯域フィルターによる銀河面の天体種族解明
- Principal Investigator
  
  森鼻久美子
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  National Astronomical Observatory of Japan
原理的な学修を教育実践に活かす能力を育む、教員養成モデルカリキュラムの作成
- Principal Investigator
  
  田幡憲一
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 09050:Tertiary education-related
- Research Institution
  Shokei Gakuin College
Search for Missing Black Holes in the Galaxy based on Submillimeter-wave Observations
- Principal Investigator
  
  岡朋治
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 16:Astronomy and related fields
- Research Institution
  Keio University
Measurements of relativistic effects from supermassive black hole using Subaru telescope and near-infrared wavefront sensorPrincipal Investigator
- Principal Investigator
  
  西山正吾
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 16:Astronomy and related fields
- Research Institution
  Miyagi University of Education
Measurement of the fine structure constant 11 billion years ago using a laser frequency comb and new near-infrared spectrographPrincipal Investigator
- Principal Investigator
  
  Nishiyaa Shogo
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
- Research Institution
  Miyagi University of Education
Study on structure of the Milky Way galaxy and mechanisms of cosmic transient phenomena probed by optical all-sky polarimetric survey
- Principal Investigator
  
  Kawabata Koji
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 16:Astronomy and related fields
- Research Institution
  Hiroshima University
Study of precise radial velocity measurements of stars orbiting around a supermassive black hole, to investigate space-time structure around the black holePrincipal Investigator
- Principal Investigator
  
  Nishiyama Shogo
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Astronomy
- Research Institution
  Miyagi University of Education
Constraining the spin of Sgr A* via the motion of the S-stars
- Principal Investigator
  
  TAKAMORI Yohsuke
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  Wakayama National College of Technology
Monitoring observation of near-infrared flares from supermassive black hole caused by gas accretionPrincipal Investigator
- Principal Investigator
  
  Nishiyama Shogo
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Astronomy
- Research Institution
  Miyagi University of Education
  National Astronomical Observatory of Japan
地球型惑星検出を目指した視線速度測定近赤外線分光器のためのファイバー較正法の確立Principal Investigator
- Principal Investigator
  
  西山正吾
- Project Period (FY)
  2012 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  National Astronomical Observatory of Japan
Studies of Magnetic Field Structures in Infrared Dark Clouds
- Principal Investigator
  
  SUGITANI Koji
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Astronomy
- Research Institution
  Nagoya City University
銀河系中心核星団の赤外線観測による、超大質量ブラックホール近傍の星形成過程の解明Principal Investigator
- Principal Investigator
  
  西山正吾
- Project Period (FY)
  2011 – 2012
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Astronomy
- Research Institution
  National Astronomical Observatory of Japan
近赤外線偏光撮像観測による銀河系中心領域の磁場構造の解明Principal Investigator
- Principal Investigator
  
  西山正吾
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Astronomy
- Research Institution
  National Astronomical Observatory of Japan

[Book] すばる望遠鏡とTMTが結ぶ新たな宇宙像2020
- Author(s)
  青木和光他(編), 西山正吾(分担執筆)
- Total Pages
  92
- Publisher
  自然科学研究機構国立天文台
- Data Source
  KAKENHI-PROJECT-18K18760
[Journal Article] Origin of an orbiting star around the galactic supermassive black hole2024
- Author(s)
  NISHIYAMA Shogo、KARA Tomohiro、THORSBRO Brian、SAIDA Hiromi、TAKAMORI Yohsuke、TAKAHASHI Masaaki、OHGAMI Takayuki、ICHIKAWA Kohei、SCHODEL Rainer
- Journal Title
  
  Proceedings of the Japan Academy, Series B
  
  Volume: 100 Issue: 1 Pages: 86-99
- DOI
  10.2183/pjab.100.007
- ISSN
  0386-2208, 1349-2896
- Year and Date
  2024-01-11
- Language
  English
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] A Wide Metallicity Range for Gyr-old Stars in the Nuclear Star Cluster2023
- Author(s)
  Thorsbro B.、Forsberg R.、Kordopatis G.、Mastrobuono-Battisti A.、Church R. P.、Rich R. M.、Ryde N.、Schultheis M.、Nishiyama S.
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 958 Issue: 1 Pages: L18-L18
- DOI
  10.3847/2041-8213/ad08b1
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] 理論と実践を往還する教員養成の評価、改善、展開2023
- Author(s)
  田幡憲一、五十嵐誓、大迫章史、齊藤敬、中山慎也、西山正吾、渡辺尚
- Journal Title
  
  日本理科教育学会東北支部大会発表論文集
  
  Volume: 62 Pages: 17-17
- Data Source
  KAKENHI-PROJECT-23K02556
[Journal Article] AO3k at Subaru: the facility adaptive optics goes extreme2023
- Author(s)
  Lozi, Julien、Ahn, Kyohoon、Chun, Alicia、Clergeon, Christophe、Deo, Vincent、Guyon, Olivier、Hattori, Takashi、Minowa, Yosuke、Nishiyama, Shogo、Ono, Yoshito、Vievard, Sebastien
- Journal Title
  
  Adaptive Optics for Extremely Large Telescopes
  
  Volume: 1
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] Search for Young and Intermediate-age Stellar Populations in the Galactic Center with Subaru/MOIRCS and CO Narrowband Filters2023
- Author(s)
  Nishiyama Shogo、Funamoto Naoya、Schodel Rainer
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 951 Issue: 2 Pages: 148-148
- DOI
  10.3847/1538-4357/acd5cc
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] AO3000 at Subaru: combining for the first time a NIR WFS using First Light’s C-RED ONE and ALPAO’s 64x64 DM2022
- Author(s)
  Lozi Julien、Ahn Kyohoon、Clergeon Christophe、Deo Vincent、Guyon Olivier、Hattori Takashi、Minowa Yosuke、Nishiyama Shogo、Ono Yoshito .、Vievard Sebastien
- Journal Title
  
  SPIE Proceedings
  
  Volume: 12185 Pages: 1218533-1218533
- DOI
  10.1117/12.2630634
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04998, KAKENHI-PROJECT-18K18760
[Journal Article] Andrea Ghez教授と巨大ブラックホール：ノーベル物理学賞受賞によせて2021
- Author(s)
  西山正吾
- Journal Title
  
  天文月報
  
  Volume: 114 Pages: 12-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] Detecting General Relativistic Effect of a Star Orbiting Sgr A* Using Subaru Telescope2021
- Author(s)
  Saida, H. ; Nishiyama, S. ; Members of Subaru Proposals
- Journal Title
  
  Astronomical Society of the Pacific Conference Series
  
  Volume: 528 Pages: 265-267
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] New Look at the Molecular Superbubble Candidate in the Galactic Center2021
- Author(s)
  Tsujimoto Shiho、Oka Tomoharu、Takekawa Shunya、Iwata Yuhei、Uruno Asaka、Yokozuka Hiroki、Nakagawara Ryosuke、Watanabe Yuto、Kawakami Akira、Nishiyama Sonomi、Kaneko Miyuki、Kanno Shoko、Ogawa Takuma
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 910 Issue: 1 Pages: 61-61
- DOI
  10.3847/1538-4357/abe61e
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14768, KAKENHI-PROJECT-18J20450, KAKENHI-PROJECT-19J10863, KAKENHI-PROJECT-20H00178
[Journal Article] High-resolution Near-infrared Spectroscopy of Late-type Stars Near the Galactic Supermassive Black Hole2021
- Author(s)
  Nishiyama, S. ; Kara, T. ; Gorin, H. ; Kurihara, S.
- Journal Title
  
  Astronomical Society of the Pacific Conference Series
  
  Volume: 528 Pages: 383-386
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] Andrea Ghez教授と巨大ブラックホール：ノーベル物理学賞受賞によせて2021
- Author(s)
  西山正吾
- Journal Title
  
  天文月報
  
  Volume: 114 Pages: 12-15
- Open Access
- Data Source
  KAKENHI-PROJECT-18K18760
[Journal Article] New Analysis of Magnetic Field Using Gaia DR2 Catalog and Cepheids in the Galactic Plane2021
- Author(s)
  Zenko, T. ; Nagata, T. ; Kurita, M. ; Kino, M. ; Nishiyama, S. ; Matsunaga, N. ; Nakajima, Y.
- Journal Title
  
  Astronomical Society of the Pacific Conference Series
  
  Volume: 528 Pages: 319-320
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] Early formation and recent starburst activity in the nuclear disk of the Milky Way2020
- Author(s)
  Nogueras-Lara, Francisco; Schoedel, Rainer; Gallego-Calvente, Aurelia Teresa; Gallego-Cano, Eulalia; Shahzamanian, Banafsheh; Dong, Hui; Neumayer, Nadine; Hilker, Michael; Najarro, Francisco; Nishiyama, Shogo; et al.
- Journal Title
  
  Nature Astronomy
  
  Volume: 4 Issue: 4 Pages: 377-381
- DOI
  10.1038/s41550-019-0967-9
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] Search for a Variation of the Fine Structure Constant around the Supermassive Black Hole in Our Galactic Center2020
- Author(s)
  Hees A.、Do T.、Roberts B.M.、Ghez A.M.、Nishiyama S.、Bentley R.O.、Gautam A.K.、Jia S.、Kara T.、Lu J.R.、Saida H.、Sakai S.、Takahashi M.、Takamori Y.
- Journal Title
  
  Physical Review Letters
  
  Volume: 124 Issue: 8 Pages: 081101-081101
- DOI
  10.1103/physrevlett.124.081101
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05439, KAKENHI-PROJECT-18K18760, KAKENHI-PROJECT-19H00695, KAKENHI-PROJECT-19H01900
[Journal Article] Interstellar extinction law toward the Galactic center. IV. J, H, and Ks bands from VVV red clump stars2019
- Author(s)
  Nagatomo, S., Nagata, T., & Nishiyama, S.
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 71 Issue: 5
- DOI
  10.1093/pasj/psz093
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-18H05441, KAKENHI-PROJECT-19H00695
[Journal Article] A significant feature in the general relativistic time evolution of the redshift of photons coming from a star orbiting Sgr?A*2019
- Author(s)
  Saida Hiromi、Nishiyama Shogo、Ohgami Takayuki、Takamori Yohsuke、Takahashi Masaaki、Minowa Yosuke、Najarro Francisco、Hamano Satoshi、Omiya Masashi、Iwamatsu Atsushi、Takahashi Mizuki、Gorin Haruka、Kara Tomohiro、Koyama Akinori、Ohashi Yosuke、Tamura Motohide、Nagatomo Schun、Zenko Tetsuya、Nagata Tetsuya
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 71 Issue: 6 Pages: 120-120
- DOI
  10.1093/pasj/psz111
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05439, KAKENHI-PROJECT-18K18760, KAKENHI-PLANNED-17H06363, KAKENHI-PLANNED-18H05441, KAKENHI-PLANNED-18H05442, KAKENHI-ORGANIZER-17H06357, KAKENHI-PROJECT-19H00695, KAKENHI-PROJECT-19H01900
[Journal Article] GALACTICNUCLEUS: A high-angular-resolution JHKs imaging survey of the Galactic centre. II. First data release of the catalogue and the most detailed CMDs of the GC2019
- Author(s)
  Nogueras-Lara, F.; Schodel, R.; Gallego-Calvente, A. T.; Dong, H.; Gallego-Cano, E.; Shahzamanian, B.; Girard, J. H. V.; Nishiyama, S.; Najarro, F.; Neumayer, N.
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 631 Pages: A20-A20
- DOI
  10.1051/0004-6361/201936263
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] Subaru and WFIRST: A Partnership for the 2020s2019
- Author(s)
  Rhodes, Jason; Sumi, Takahiro; Bennett, David; Capak, Peter; Dore, Olivier; Fukui, A.; Kasdin, Jeremy; Holler, Bryan; Kodama, Takayuki; Koyama, Yusei; Matsunaga, Noriyuki; Milam, Stefanie; Miyatake, Hironao; Nishiyama, Shogo; et al.
- Journal Title
  
  Bulletin of the American Astronomical Society
  
  Volume: 51
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Journal Article] The age and metallicity dependence of the near-infrared magnitudes of red clump stars2019
- Author(s)
  Onozato Hiroki、Ita Yoshifusa、Nakada Yoshikazu、Nishiyama Shogo
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 486 Issue: 4 Pages: 5600-5613
- DOI
  10.1093/mnras/stz1192
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H02158, KAKENHI-PROJECT-19H00695
[Journal Article] Relativistic redshift of the star S0-2 orbiting the Galactic Center supermassive black hole2019
- Author(s)
  Do, T.、Hees, A.、Ghez, A.、Martinez, G. D.、....(21)... 、Takahashi, M.、...(3)
- Journal Title
  
  Science
  
  Volume: 365 Issue: 6454 Pages: 664-668
- DOI
  10.1126/science.aav8137
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05439, KAKENHI-PROJECT-19H00695, KAKENHI-PROJECT-19H01900
[Journal Article] High-resolution Observations of Cen A: Yellow and Red Supergiants in a Region of Jet-induced Star Formation?2018
- Author(s)
  Markakis K.、Eckart A.、Castro N.、Sanchez-Monge A.、Labadie L.、Nishiyama S.、Britzen S.、Zensus J. A.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 852 Issue: 1 Pages: 63-63
- DOI
  10.3847/1538-4357/aa9379
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Journal Article] Star formation history and metallicity in the Galactic inner bulge revealed by the red giant branch bump2018
- Author(s)
  F. Nogueras-Lara, R. Schoedel, H. Dong, F. Najarro, A. T. Gallego-Calvente, M. Hilker, E. Gallego-Cano, S. Nishiyama, N. Neumayer, A. Feldmeier-Krause, J. H. V. Girard, S. Cassisi, A. Pietrinferni
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 620 Pages: A83-A83
- DOI
  10.1051/0004-6361/201833518
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Journal Article] GALACTICNUCLEUS: A high angular resolution JHKs imaging survey of the Galactic centre2018
- Author(s)
  Nogueras-Lara F.、Gallego-Calvente A.T.、Dong H.、Gallego-Cano E.、Girard J. H. V.、Hilker M.、de Zeeuw P.T.、Feldmeier-Krause A.、Nishiyama S.、Najarro F.、Neumayer N.、Schoedel R.
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 610 Pages: A83-A83
- DOI
  10.1051/0004-6361/201732002
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Journal Article] Impact of Distance Determinations on Galactic Structure. I. Young and Intermediate-Age Tracers2018
- Author(s)
  N. Matsunaga, G. Bono, X. Chen, R. de Grijs, L. Inno, S. Nishiyama
- Journal Title
  
  Space Science Reviews
  
  Volume: 214 Issue: 4
- DOI
  10.1007/s11214-018-0506-5
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Journal Article] Radial Velocity Measurements of an Orbiting Star Around Sgr A*2018
- Author(s)
  Shogo Nishiyama, Hiromi Saida, Yohsuke Takamori, Masaaki Takahashi, Rainer Schoedel, Francisco Najarro, Satoshi Hamano, Masashi Omiya, Motohide Tamura, Mizuki Takahashi, Haruka Gorin, Schun Nagatomo, Tetsuya Nagata
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 印刷中
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800150
[Journal Article] Radial velocity measurements of an orbiting star around Sgr A*2018
- Author(s)
  Shogo Nishiyama Hiromi Saida Yohsuke Takamori Masaaki Takahashi Rainer Schdel Francisco Najarro Satoshi Hamano Masashi Omiya Motohide Tamura Mizuki Takahashi Haruka Gorin Schun Nagatomo Tetsuya Nagata
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 70 Issue: 4
- DOI
  10.1093/pasj/psy067
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05439, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-15K13463, KAKENHI-PLANNED-18H05441, KAKENHI-PLANNED-18H05442
[Journal Article] The infrared Doppler (IRD) instrument for the Subaru telescope: instrument description and commissioning results2018
- Author(s)
  T. Kotani, M. Tamura, J. Nishikawa, A. Ueda, M. Kuzuhara, M. Omiya, J. Hashimoto, M. Ishizuka, T. Hirano, H. Suto, T. Kurokawa, T. Kokubo, T. Mori, Y. Tanaka, K. Kashiwagi, M. Konishi, T. Kudo, B. Sato, S. Jacobson, K. W. Hodapp, D. B. Hall, W. Aoki, T. Usuda, S. Nishiyama, et al.
- Journal Title
  
  Proceedings of the SPIE
  
  Volume: 10702 Pages: 11-18
- DOI
  10.1117/12.2311836
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18760, KAKENHI-PROJECT-16K17660, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-15K13463, KAKENHI-PLANNED-15H05894, KAKENHI-PLANNED-18H05439, KAKENHI-PLANNED-18H05442
[Journal Article] Understanding the Links among the Magnetic Fields, Filament, Bipolar Bubble, and Star Formation in RCW 57A Using NIR Polarimetry2017
- Author(s)
  Eswaraiah Chakali、Lai Shih-Ping、Chen Wen-Ping、Pandey A. K.、Tamura M.、Maheswar G.、Sharma S.、Wang Jia-Wei、Nishiyama S.、Nakajima Y.、Kwon Jungmi、Purcell R.、Magalhaes A. M.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 850 Issue: 2 Pages: 195-195
- DOI
  10.3847/1538-4357/aa917e
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463, KAKENHI-PROJECT-15H02063
[Journal Article] Spectroscopically identified intermediate age stars at 0.5-3 pc distance from Sagittarius A*2016
- Author(s)
  S. Nishiyama, R. Schoedel, T. Yoshikawa, T. Nagata, Y. Minowa, M. Tamura
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 588 Pages: A49-A49
- DOI
  10.1051/0004-6361/201322392
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25707012, KAKENHI-PROJECT-15K13463
[Journal Article] A lack of classical Cepheids in the inner part of the Galactic disc2016
- Author(s)
  Matsunaga, N., Feast, M. W., Bono, G., Kobayashi, N., Inno, L., Nagayama, T., Nishiyama, S., Matsuoka, Y., and Nagata, T.
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 462 Issue: 1 Pages: 414-420
- DOI
  10.1093/mnras/stw1548
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26247030, KAKENHI-PROJECT-26287028, KAKENHI-PROJECT-15K13463
[Journal Article] V5852 Sgr: an unusual nova possibly associated with the Sagittarius stream2016
- Author(s)
  E. Aydi, P. Mroz, P. A. Whitelock, S. Mohamed, L. Wyrzykowski, A. Udalski, P. Vaisanen, T. Nagayama, M. Dominik, A. Scholz, H. Onozato, R. E. Williams, S. T. Hodgkin, S. Nishiyama, M. Yamagishi, A. M. S. Smith, T. Ryu, A. Iwamatsu, I. Kawamata
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 461 Issue: 2 Pages: 1529-1538
- DOI
  10.1093/mnras/stw1396
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25707012, KAKENHI-PROJECT-15K13463
[Journal Article] SUBARU and e-Merlin observations of NGC3718. Diaries of an SMBH recoil?2015
- Author(s)
  K. Markakis, J. Dierkes, A. Eckart, S. Nishiyama, S. Britzen, M. Garcia-Marin, M. Horrobin, T. Muxlow, J. A. Zensus
- Journal Title
  
  Astronomy and Astrophysics
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] Wide-field Infrared Polarimetry of the ρ Ophiuchi Cloud Core2015
- Author(s)
  Kwon, J.; Tamura, M.; Hough, J. H. et al.（8名中2番目）
- Journal Title
  
  The Astrophysical Journal Supplement Series
  
  Volume: 220 Issue: 1 Pages: 17-33
- DOI
  10.1088/0067-0049/220/1/17
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-14F04023, KAKENHI-PROJECT-26800111, KAKENHI-PROJECT-25707012
[Journal Article] Near-IR Imaging Polarimetry toward a Bright-rimmed Cloud: Magnetic Field in SFO 742015
- Author(s)
  Kusune, T., Sugitani, K., Miao, J., Tamura, M., Sato, Y., Kwon, J., Watanabe, M., Nishiyama, S., Nagayama, T., Sato, S.
- Journal Title
  
  Astrophysical Journal
  
  Volume: 798
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540233
[Journal Article] Kinematics of Classical Cepheids in the Nuclear Stellar Disk2015
- Author(s)
  N. Matsunaga, K. Fukue, R. Yamamoto, N. Kobayashi, L. Inno, K. Genovali, G. Bono, J. Baba, M. S. Fujii, S. Kondo, Y. Ikeda, S. Hamano, S. Nishiyama, T. Nagata, W. Aoki, T. Tsujimoto
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 799 Issue: 1 Pages: 46-46
- DOI
  10.1088/0004-637x/799/1/46
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25707012, KAKENHI-PROJECT-26247030, KAKENHI-PROJECT-26287028
[Journal Article] Number density distribution of near-infrared sources on a sub-degree scale in the Galactic center: Comparison with the Fe XXV Kα line at 6.7 keV2015
- Author(s)
  Yasui, K.; Nishiyama, S.; Yoshikawa, T. et al.（12名中8番目）
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 67 Issue: 6
- DOI
  10.1093/pasj/psv100
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-15H02090, KAKENHI-PROJECT-14F04023, KAKENHI-PROJECT-25707012
[Journal Article] Near-infrared Polarimetry and Interstellar Magnetic Fields in the Galactic Center2015
- Author(s)
  S. Nishiyama, H. Hatano, T. Nagata, M. Tamura
- Journal Title
  
  Highlights of Astronomy
  
  Volume: 16 Issue: H16 Pages: 387-387
- DOI
  10.1017/s1743921314011569
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] Subaru and e-Merlin observations of NGC 3718. Diaries of a supermassive black hole recoil?2015
- Author(s)
  K. Markakis, J. Dierkes, A. Eckart, S. Nishiyama, S. Britzen, M. Garcia-Marin, M. Horrobin, T. Muxlow, J. A. Zensus
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 580 Pages: A11-A11
- DOI
  10.1051/0004-6361/201425077
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Journal Article] Near-IR Imaging Polarimetry toward a Bright-rimmed Cloud: Magnetic Field in SFO 742015
- Author(s)
  Kusune, Takayoshi; Sugitani, Koji; Miao, Jingqi; Tamura, Motohide; Sato, Yaeko; Kwon, Jungmi; Watanabe, Makoto; Nishiyama, Shogo; Nagayama, Takahiro; Sato, Shuji
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 798 Issue: 1 Pages: 60-75
- DOI
  10.1088/0004-637x/798/1/60
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-14F04023, KAKENHI-PROJECT-14J10775, KAKENHI-PROJECT-22000005, KAKENHI-PROJECT-24340038, KAKENHI-PROJECT-25707012
[Journal Article] The Milky Way nuclear star cluster beyond 1 pc2014
- Author(s)
  A. Feldmeier, N. Neumayer, A. Seth, P. T. de Zeeuw, R. Schodel, N. Lutzgendorf, M. Kissler-Patig, S. Nishiyama, C. J. Walcher
- Journal Title
  
  Proceedings of the International Astronomical Union
  
  Volume: 303 Issue: S303 Pages: 223-227
- DOI
  10.1017/s1743921314000611
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] Surface Brightness Profile of the Milky Way's Nuclear Star Cluster2014
- Author(s)
  R. Schodel, A. Fledmeier, D. Kunneriath, S. Stolovy, N. Neumayer, P. Amaro-Seoane, S. Nishiyama
- Journal Title
  
  Astronomy and Astrophysics
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] Surface Brightness Profile of the Milky Way's Nuclear Star Cluster2014
- Author(s)
  R. Schodel, A. Feldmeier, D. Kunneriath, S. Stolovy, N. Neumayer, P. Amaro-Seoane, S. Nishiyama
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 566 Pages: A47-A47
- DOI
  10.1051/0004-6361/201423481
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] Multi-band, Multi-epoch Observations of the Transiting Warm Jupiter WASP-80b2014
- Author(s)
  Akihiko Fukui, Yui Kawashima, Masahiro Ikoma, Norio Narita, Masahiro Onitsuka, Yoshifusa Ita, Hiroki Onozato, Shogo Nishiyama, Haruka Baba, Tsuguru Ryu, Teruyuki Hirano, et al.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 790 Issue: 2 Pages: 108-108
- DOI
  10.1088/0004-637x/790/2/108
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-13J03183, KAKENHI-PROJECT-22000005, KAKENHI-PLANNED-23103005, KAKENHI-PROJECT-25247026, KAKENHI-PROJECT-25400224, KAKENHI-PROJECT-25707012, KAKENHI-PUBLICLY-26103711, KAKENHI-PLANNED-24103003
[Journal Article] Large scale kinematics and dynamical modelling of the Milky Way nuclear star cluster2014
- Author(s)
  A. Feldmeier, N. Neumayer, A. Seth, R. Schodel, N. Lutzgendorf, P. T. de Zeeuw, M. Kissler-Patig, S. Nishiyama, C. J. Walcher
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 570 Pages: A2-A2
- DOI
  10.1051/0004-6361/201423777
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] Infrared Doppler instrument (IRD) for the Subaru telescope to search for Earth-like planets around nearby M-dwarfs2014
- Author(s)
  Kotani, Takayuki; Tamura, Motohide; Suto, Hiroshi; Nishikawa, Jun; Sato, Bun'ei; Aoki, Wako; Usuda, Tomonori; Kurokawa, Takashi; Kashiwagi, Ken; Nishiyama, Shogo; Ikeda, Yuji;…; Kudo, Tomoyuki; Kusakabe, Nobuhiko;…; Hori, Yasunori; Omiya, Masashi;…; Harakawa, Hiroki;…; Hirano, Teruyuki; Kuzuhara, Masayuki et al.
- Journal Title
  
  Proceedings of the SPIE 2014
  
  Volume: 9147 Pages: 914714-914714
- DOI
  10.1117/12.2055075
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-13J08826, KAKENHI-PROJECT-22000005, KAKENHI-PROJECT-25707012, KAKENHI-PUBLICLY-26103709
[Journal Article] Young Stellar Object Search toward the Boundary of the Central Molecular Zone with Near-infrared Polarimetry2014
- Author(s)
  Yoshikawa, Tatsuhito; Nishiyama, Shogo; Tamura, Motohide; Kwon, Jungmi; Nagata, Tetsuya
- Journal Title
  
  The Astrophysical Journal Supplement
  
  Volume: 213 Issue: 2 Pages: 22-22
- DOI
  10.1088/0067-0049/213/2/22
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-14F04023, KAKENHI-PROJECT-22000005, KAKENHI-PROJECT-25707012
[Journal Article] The Origin of the Galactic Center Diffuse X-ray Emission Investigated by Near-infrared Observations2014
- Author(s)
  S.Nishiyama, K. Yasui, T. Nagata, T. Yoshikawa, H. Uchiyama, M. Tamura
- Journal Title
  
  Suzaku-MAXI 2014: Expanding the Frontiers of the X-ray Universe, proceedings of a conference held 19-22 February, 2014 at Ehime University
  
  Volume: 1 Pages: 8-11
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] The origin of the Galactic center diffuse X-ray emission investigated by near-infrared imaging and polarimetric observations2014
- Author(s)
  S. Nishiyama, K. Yasui, T. Nagata, T. Yoshikawa, H. Uchiyama, M. Tamura
- Journal Title
  
  Proceedings of the International Astronomical Union
  
  Volume: 303 Issue: S303 Pages: 449-453
- DOI
  10.1017/s1743921314001112
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] The Origin of the Galactic Center Diffuse X-ray Emission Investigated by Near-infrared Imaging and Polarimetric Observations2014
- Author(s)
  Shogo Nishiyama, Kazuki Yasui, Tetsuya Nagata, et al.
- Journal Title
  
  Proceedings of IAU Symposium No. 303: The Galactic Center: Feeding and Feedback in a Normal Galactic Nucleus
  
  Volume: 未定
- Data Source
  KAKENHI-PROJECT-25707012
[Journal Article] Magnetically Confined Interstellar Hot Plasma in the Nuclear Bulge of Our Galaxy2013
- Author(s)
  Nishiyama, S., Yasui, K., Nagata, T., Yoshikawa, T., Uchiyama , H., Schödel, R., Hatano, H., Sato, S., Sugitani, K., Suenaga, T., Kwon, J., Tamura, M.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 769 Issue: 2 Pages: L28-L28
- DOI
  10.1088/2041-8205/769/2/l28
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-12J00110, KAKENHI-PROJECT-25707012
[Journal Article] IRSF SIRIUS JHKs Simultaneous Transit Photometry of GJ 1214b2013
- Author(s)
  Narita, N., Nagayama, T., Suenaga, T., Fukui, A., Ikoma, M., Nakajima, Y., Nishiyama, S., Tamura, M.
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 65 Issue: 2 Pages: 27-27
- DOI
  10.1093/pasj/65.2.27
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22000005, KAKENHI-PLANNED-23103005, KAKENHI-PLANNED-24103003, KAKENHI-PROJECT-25400224, KAKENHI-PROJECT-25707012
[Journal Article] Intrinsically Polarized Stars and Implication for Star Formation in the Central Parsec of Our Galaxy2013
- Author(s)
  Tatsuhito Yoshikawa, et al.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 778 Issue: 2 Pages: 92-101
- DOI
  10.1088/0004-637x/778/2/92
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-11J00947, KAKENHI-PROJECT-25707012
[Journal Article] Young, Massive Star Candidates Detected throughout the Nuclear Star Cluster of the Milky Way2013
- Author(s)
  Shogo Nishiyama
- Journal Title
  
  Astronomy and Astrophysics
  
  Volume: 549 Pages: A57-A57
- DOI
  10.1051/0004-6361/201219773
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-24103508
[Journal Article] The Efficiency and Wavelength Dependence of Near-infrared Interstellar Polarization toward the Galactic Center2013
- Author(s)
  Hirofumi Hatano, Shogo Nishiyama, Mikio Kurita, et al.
- Journal Title
  
  The Astronomical Journal
  
  Volume: 145 Issue: 4 Pages: 105-105
- DOI
  10.1088/0004-6256/145/4/105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25707012, KAKENHI-PUBLICLY-24103508
[Journal Article] Near-Infrared Polarimetry toward the Galactic Center-Magnetic Field Configuration in the Central One Degree Region2011
- Author(s)
  Nishiyama, S., et al.
- Journal Title
  
  The Galactic Center : a Window to the Nuclear Environment of Disk Galaxies. Proceedings of a workshop held at Shanghai, Astronomical Society of the Pacific
  
  Volume: 439 Pages: 57-58
- Data Source
  KAKENHI-PROJECT-23840044
[Journal Article] Interstellar Extinction Law toward the Galactic Center II:V, J, H, and Ks bands2008
- Author(s)
  Shogo Nishiyama, et. al.
- Journal Title
  
  The Astrophysical Journal 680(予定未定)(6月発行)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740111
[Presentation] 銀河系中心の超巨星 IRS33N のパラメータの測定と起源の研究2024
- Author(s)
  西山正吾、佐藤和香奈
- Organizer
  天体スペクトル研究会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] PFS Spectroscopic survey of Stars in the Galactic center2024
- Author(s)
  Shogo Nishiyama, Shoichiro Kisara
- Organizer
  すばるPFSが拓く銀河・銀河系の形成進化：サテライトワークショップ
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Near-infrared studies of the Galactic center from large scale to small scale2024
- Author(s)
  西山正吾
- Organizer
  銀河中心研究会2024 (坪井先生退官記念研究会)
- Invited
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 銀河系中心巨大ブラックホールを周回する星の近赤外線分光観測2024
- Author(s)
  西山正吾
- Organizer
  天の川銀河研究会2024
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] すばる超広視野多天体分光器 PFS を用いた、銀河系中心領域の近赤外スペクトルによる恒星パラメータの決定精度の研究2024
- Author(s)
  木皿勝一郎、西山正吾
- Organizer
  天体スペクトル研究会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Search for OB stars in the Galactic nuclear stellar disk via near-infrared photometry2023
- Author(s)
  Shogo Nishiyama
- Organizer
  JASMINE Consortium Meeting 2023
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Metallicity distribution of late-type stars in the central pc of our Galaxy2023
- Author(s)
  Shogo Nishiyama
- Organizer
  Galactic center workshop 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 銀河系中心研究の新展開：銀河系中心核ディスクと中心核星団の研究2023
- Author(s)
  西山正吾
- Organizer
  第20回 LSTセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 理論と実践を往還する教員養成の評価、改善、展開2023
- Author(s)
  田幡憲一、五十嵐誓、大迫章史、齊藤敬、中山慎也、西山正吾、渡辺尚
- Organizer
  日本理科教育学会東北支部大会
- Data Source
  KAKENHI-PROJECT-23K02556
[Presentation] 銀河系中心核ディスクと中心核星団の星の性質と星形成史2023
- Author(s)
  西山正吾
- Organizer
  銀河系中心研究会2023
- Invited
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 近赤外線 K バンドにおけるLine depth ratio法を用いた星の温度測定2022
- Author(s)
  西山正吾
- Organizer
  日本天文学会春季年会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 銀河系中心巨大ブラックホール近傍の晩期型巨星の起源の研究2022
- Author(s)
  西山正吾，唐朋央, 斉田浩見, 孝森洋介, 高橋真聡, 大神隆幸, 市川幸平, 長田哲也
- Organizer
  日本天文学会2022年秋季年会
- Data Source
  KAKENHI-PROJECT-20H00178
[Presentation] An Old Star Very Close to the Galactic Supermassive Black Hole2022
- Author(s)
  西山正吾
- Organizer
  Subaru Users Meeting FY2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] 銀河系中心核ディスクと中心核星団の起源と近赤外線サーベイ計画2022
- Author(s)
  西山正吾
- Organizer
  日本天文学会2022年秋季年会
- Data Source
  KAKENHI-PROJECT-20H00178
[Presentation] 近赤外線KバンドにおけるLine depth ratio法を用いた星の温度測定2022
- Author(s)
  西山正吾
- Organizer
  日本天文学会春季年会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] An Old Star Very Close to the Galactic Supermassive Black Hole2022
- Author(s)
  Shogo Nishiyama
- Organizer
  Subaru Users Meeting FY2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 銀河系の中心にある大質量コンパクト天体の発見2021
- Author(s)
  西山正吾
- Organizer
  ブラックホール磁気圏研究会2021
- Invited
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] KバンドのLine Depth Ratioを用いた晩期型巨星の有効温度の決定2021
- Author(s)
  吉原実祈、西山正吾
- Organizer
  第26回天体スペクトル研究会
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] ULTIMATE 銀河中心サーべイ2021
- Author(s)
  西山正吾
- Organizer
  JASMINE Consortium Meeting 2021
- Invited
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 星の近赤外線スペクトルを用いた、強重力環境における物理法則の検証2021
- Author(s)
  西山正吾
- Organizer
  第26回天体スペクトル研究会
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] 星の近赤外線スペクトルを用いた、強重力環境における物理法則の検証2021
- Author(s)
  西山正吾
- Organizer
  第26回天体スペクトル研究会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Simple Kai-square analysis of orbiting stars around Sgr A* to constrain the dark mass distibution2021
- Author(s)
  Takamori, Y., Nishiyama, S., Ohgami, T., Saida, H., Takahashi, M.
- Organizer
  Subaru Users Meeting FY2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] KバンドのLine Depth Ratioを用いた晩期型巨星の有効温度の決定2021
- Author(s)
  吉原実祈, 西山正吾
- Organizer
  第26回天体スペクトル研究会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] ULTIMATE 銀河中心サーベイ2021
- Author(s)
  西山正吾
- Organizer
  JASMINE Consortium Meeting 2021
- Invited
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 巨大ブラックホール近傍の星の起源の研究2021
- Author(s)
  西山正吾
- Organizer
  第27回天体スペクトル研究会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 銀河系の中心にある大質量コンパクト天体の発見2021
- Author(s)
  西山正吾
- Organizer
  ブラックホール磁気圏研究会2021
- Invited
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Design and integration of a new NIR wavefront sensor for the Nasmyth IR instruments for Subaru2021
- Author(s)
  Julien Lozi, Kyohoon Ahn, Vincent Deo, Olivier Guyon, Nemanja Jovanovic, Yosuke Minowa, Shogo Nishiyama, et al.
- Organizer
  WFS workshop 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 爆発的星形成銀河 NGC253 中心部で発見された高速度コンパクト雲2021
- Author(s)
  西山苑実、岡朋治、榎谷玲依、横塚弘樹
- Organizer
  日本天文学会2021年秋季年会
- Data Source
  KAKENHI-PROJECT-20H00178
[Presentation] Design and integration of a new NIR wavefront sensor for the Nasmyth IR instruments for Subaru2021
- Author(s)
  Julien Lozi,Kyohoon Ahn, Vincent Deo, Olivier Guyon, Nemanja Jovanovic, Yosuke Minowa, Shogo Nishiyama, et al.
- Organizer
  WFS workshop 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 近赤外線観測による銀河系中心領域の研究2020
- Author(s)
  西山正吾
- Organizer
  天の川銀河研究会2020
- Invited
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 近赤外線観測による銀河系中心領域の研究2020
- Author(s)
  西山正吾
- Organizer
  天の川銀河研究会2020
- Invited
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] Nuclear Star Cluster and Hidden Clusters at the Galactic Center2020
- Author(s)
  西山正吾
- Organizer
  JASMINE Consortium Meeting 2020
- Invited
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Nuclear Star Cluster and Hidden Clusters at the Galactic Center2020
- Author(s)
  西山正吾
- Organizer
  JASMINE Consortium Meeting 2020
- Invited
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] すばる望遠鏡で探る銀河系中心ブラックホール周囲の暗黒質量分布2020
- Author(s)
  孝森洋介, 西山正吾, 斉田浩見, 高橋真聡, 他
- Organizer
  日本天文学会秋季年会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 近赤外線広視野観測による銀河系バルジの研究2019
- Author(s)
  西山正吾
- Organizer
  (近)赤外線広視野サイエンスワークショップ
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] 銀河系中心巨大ブラックホールの強重力における一般相対論の検証2019
- Author(s)
  斉田浩見, 西山正吾, 大神隆幸, 孝森洋介, 高橋真聡, 美濃和陽典
- Organizer
  日本天文学会秋季年会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Detecting General Relativistic effect of a star orbiting Sgr A* using Subaru telescope2019
- Author(s)
  Hiromi Saida, Shogo Nishiyama, Takayuki Ohgami, Yohsuke Takamori, Masaaki Takahashi, Yhosuke Minowa
- Organizer
  New Horizons in Galactic Center Astronomy and Beyond
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 巨大ブラックホールを周回する星を用いた、ブラックホール重力場における相対論効果の検出2019
- Author(s)
  西山正吾
- Organizer
  「超巨大ブラックホール研究推進連絡会」第６回ワークショップ
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Metallicity of late-type stars very close to the Galactic supermassive black hole2019
- Author(s)
  Shogo Nishiyama
- Organizer
  New Horizons in Galactic Center Astronomy and Beyond
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] 銀河系面内のセファイドを利用した磁場構造解析2019
- Author(s)
  善光哲哉、栗田光樹夫、木野勝、長田哲也、松永典之、西山正吾、中島康
- Organizer
  日本天文学会春季年会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心核バルジの隠れた星団の探索2019
- Author(s)
  西山正吾
- Organizer
  JASMINE Consortium Kick-off Meeting
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] Metallicity of late-type stars very close to the Galactic supermassive black hole2019
- Author(s)
  Shogo Nishiyama
- Organizer
  New Horizons in Galactic Center Astronomy and Beyond
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 銀河系中心巨大ブラックホールの強重力における一般相対論の検証計画2019
- Author(s)
  斉田浩見、西山正吾、大神隆幸、孝森洋介、高橋真聡、美濃和陽介
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 近赤外線広視野観測による銀河系バルジの研究2019
- Author(s)
  西山正吾
- Organizer
  我が国の(近)赤外線広視野観測サイエンスの戦略と展望
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 銀河系中心核バルジの隠れた星団の探索2019
- Author(s)
  西山正吾
- Organizer
  JASMINE Consortium Kick-off Meeting
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] Subaru/TMT 近赤外線高分散分光観測による等価原理 (LPI) の検証2019
- Author(s)
  西山正吾
- Organizer
  日本天文学会秋季年会
- Data Source
  KAKENHI-PROJECT-19H00695
[Presentation] 巨大ブラックホールを周回する星を用いた、ブラックホール重力場における相対論効果の検出2019
- Author(s)
  西山正吾
- Organizer
  「超巨大ブラックホール研究推進連絡会」第６回ワークショップ
- Data Source
  KAKENHI-PROJECT-18K18760
[Presentation] 銀河系中心巨大BHを巡る星S0-2/S2 の研究3：すばる視線速度モニター観測 2018 の解析状況2019
- Author(s)
  西山正吾, 斉田浩見, 大神隆幸, 孝森洋介, 高橋真聡, R. Schoedel, F. Najarro, 濱野哲史, 五林遥, 大橋遥介, 小山晃徳, 唐朋央, 雨宮竜登, 岩松篤史, 高橋美月, 大宮正士, 長田哲也, 長友竣, 善光哲哉, 田村元秀, 美濃和陽典
- Organizer
  日本天文学会春季年会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] Exploring General Relativistic Effects and Environment of the Galactic SMBH2019
- Author(s)
  Shogo Nishiyama
- Organizer
  Subaru Users' Meeting FY2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心ブラックホールを周回する星のモニター観測2019
- Author(s)
  西山正吾
- Organizer
  天の川銀河バルジ研究会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] Radial Velocity Measurement of an Orbiting Star Around Supermassive Black Hole in Our Galaxy2018
- Author(s)
  Shogo Nishiyama
- Organizer
  Subaru Users' Meeting FY2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心領域の暗い質量分布によるS2の視線速度への影響について2018
- Author(s)
  孝森洋介，斉田浩見，西山正吾，高橋真聡
- Organizer
  天文学会2018年春季年会
- Data Source
  KAKENHI-PROJECT-26800150
[Presentation] 銀河系中心巨大BHを巡る星S2 の研究1：すばる視線速度モニター観測の現状2018
- Author(s)
  西山正吾, 斉田浩見, 孝森洋介, 高橋真聡, R. Schoedel, F. Najarro, 濱野哲史, 五林遥, 大橋遥介, 小山晃徳, 唐朋央, 岩松篤史, 高橋美月, 大宮正士, 長田哲也, 長友竣, 善光哲哉, 田村元秀, 美濃和陽典
- Organizer
  日本天文学会秋季年会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心巨大ブラックホール近傍の星の近赤外線観測2018
- Author(s)
  西山正吾
- Organizer
  「超巨大ブラックホール研究推進連絡会」第5回ワークショップ
- Invited
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] Observations of S0-2/S2 around its closest approach to the Galactic SMBH: Subaru 20182018
- Author(s)
  西山正吾
- Organizer
  『ブラックホール地平面勉強会』研究会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心巨大 BH を巡る星 S2 の研究２：一般相対論の検証への挑戦2018
- Author(s)
  齋田浩見，西山正吾，孝森洋介，高橋真聡， R.Schoedel，F. Najarro，濱野哲史，五林遥，大橋遥介，小山晃徳，唐朋央，岩松篤史，高橋美月，大宮正士，長田哲也，長友竣，善光哲哉，田村元秀，美濃和陽典
- Organizer
  日本天文学会秋季年会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] すばる望遠鏡による大質量銀河中心ブラックホールの相対論効果の調査2018
- Author(s)
  大神隆幸, 齋田浩見, 西山正吾, 孝森洋介, 高橋真聡
- Organizer
  日本天文学会秋季年会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] IR-TMT と位置天文衛星の距離データを用いたレッドクランプ星の絶対等級の決定2018
- Author(s)
  小野里宏樹, 板由房, 森田亮介, 幅崎裕太, 市川隆, 花上拓海, 小宮山貴洋, 岩松篤史, 筒井寛典, 柳澤顕史, 泉浦秀行, 中田好一, 西山正吾
- Organizer
  日本天文学会秋季年会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] General Relativistic Measurement of Mass of the Galactic Massive Black Hole2017
- Author(s)
  Shogo Nishiyama
- Organizer
  Subaru Users' Meeting FY2016
- Place of Presentation
  国立天文台三鷹キャンパス, 東京都三鷹市
- Year and Date
  2017-01-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系バルジ領域における拡散X線強度と近赤外星数面密度の空間分布比較2017
- Author(s)
  長友竣、長田哲也、栗田光樹夫、木野勝、善光哲哉、鶴剛、山内茂雄、信川久実子、信川正順、西山正吾
- Organizer
  日本天文学会春季年会
- Place of Presentation
  九州大学, 福岡県福岡市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 銀河系中心巨大ブラックホールを周回する星の視線速度モニター観測とサイエンス2017
- Author(s)
  西山正吾
- Organizer
  天の川銀河研究会 2017
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] セファイドを用いた銀河面偏光観測2017
- Author(s)
  善光哲哉、栗田光樹夫、木野勝、長友竣、長田哲也、松永典之、西山正吾、中島康
- Organizer
  日本天文学会春季年会
- Place of Presentation
  九州大学, 福岡県福岡市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 銀河系の巨大ブラックホールを周回する星S2の視線速度モニター観測2017
- Author(s)
  西山正吾
- Organizer
  日本天文学会秋季年会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心周りの暗い質量分布によるS2視線速度への影響について2017
- Author(s)
  孝森洋介，斉田浩見，西山正吾，高橋真聡
- Organizer
  ブラックホール地平面勉強会
- Data Source
  KAKENHI-PROJECT-26800150
[Presentation] 銀河系バルジ領域における拡散X線強度と近赤外星数面密度の空間分布比較2017
- Author(s)
  長友竣、長田哲也、栗田光樹夫、木野勝、善光哲哉、鶴剛、山内茂雄、信川久実子、信川正順、西山正吾
- Organizer
  日本天文学会春季年会
- Place of Presentation
  九州大学, 福岡県福岡市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] The universality of the interstellar extinction law in our Galaxy2017
- Author(s)
  Shogo Nishiyama
- Organizer
  Workshop on Studies on variable stars and extinction law in the Milky Way and nearby galaxies
- Place of Presentation
  東京大学本郷キャンパス, 東京都文京区
- Year and Date
  2017-03-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] セファイドを用いた銀河面偏光観測2017
- Author(s)
  善光哲哉、栗田光樹夫、木野勝、長友竣、長田哲也、松永典之、西山正吾、中島康
- Organizer
  日本天文学会春季年会
- Place of Presentation
  九州大学, 福岡県福岡市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] クェーサーB1422+231の近赤外線分光観測による微細構造定数の研究2017
- Author(s)
  安達璃奈、西山正吾、濱野哲史
- Organizer
  第22回天体スペクトル研究会
- Place of Presentation
  仙台市天文台, 宮城県仙台市
- Year and Date
  2017-03-04
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 巨大ブラックホールを周回する星の近赤外線高分散分光観測2017
- Author(s)
  西山正吾、斉田浩見
- Organizer
  第22回天体スペクトル研究会
- Place of Presentation
  仙台市天文台, 宮城県仙台市
- Year and Date
  2017-03-04
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心ブラックホール近傍の星の研究2017
- Author(s)
  五林遥、西山正吾、髙橋美月、岩松篤史
- Organizer
  第22回天体スペクトル研究会
- Place of Presentation
  仙台市天文台, 宮城県仙台市
- Year and Date
  2017-03-04
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心領域の赤外線天体2017
- Author(s)
  西山正吾
- Organizer
  第1回 missing black hole ワークショップ
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 地球型惑星検出のためのすばる赤外線ドップラー分光器: 122017
- Author(s)
  小谷隆行、周藤浩士、西川淳、上田暁俊、大宮正士、神戸栄治、森野潤一、寺田宏、小久保英一郎、鈴木竜二、工藤智幸、日下部展彦、原川紘季、林正彦、福井暁彦、小西美穂子、Oliver Guyon、田村元秀、成田憲保、青木和光、臼田知史、高遠徳尚、早野裕、高見英樹、泉浦秀行、堀安範、橋本淳、葛原昌幸、馬場はるか、細川晃、西山正吾、他
- Organizer
  日本天文学会春季年会
- Place of Presentation
  九州大学, 福岡県福岡市
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 2018年、S2の近ブラックホール点通過に向けて2017
- Author(s)
  西山正吾
- Organizer
  ブラックホール地平面勉強会
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] Near-infrared Polarimetric Survey of the Central Region of Our Galaxy2017
- Author(s)
  Shogo Nishiyama
- Organizer
  2nd CORE-U Conference: Cosmic Polarimetry from Micro to Macro Scales
- Place of Presentation
  広島大学東広島キャンパス, 広島県東広島市
- Year and Date
  2017-02-17
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] Near-infrared Polarimetric Survey of the Central Region of Our Galaxy2017
- Author(s)
  Shogo Nishiyama
- Organizer
  2nd CORE-U Conference: Cosmic Polarimetry from Micro to Macro Scales
- Place of Presentation
  広島大学東広島キャンパス, 広島県東広島市
- Year and Date
  2017-02-17
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] The universality of the interstellar extinction law in our Galaxy2017
- Author(s)
  Shogo Nishiyama
- Organizer
  Workshop on Studies on variable stars and extinction law in the Milky Way and nearby galaxies
- Place of Presentation
  東京大学本郷キャンパス, 東京都文京区
- Year and Date
  2017-03-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心領域の星の運動を使ったサイエンス2017
- Author(s)
  西山正吾
- Organizer
  ブラックホール地平面勉強会＜銀河系中心とJASMINE＞
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] RV observation of S2 and mass of SMBH2016
- Author(s)
  西山正吾
- Organizer
  ブラックホール地平面勉強会
- Place of Presentation
  名古屋大学, 愛知県名古屋市
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] RV observation of S2 and GR effects from SMBH2016
- Author(s)
  西山正吾、斉田浩見
- Organizer
  ブラックホール地平面勉強会
- Place of Presentation
  宇宙科学研究所相模原キャンパス, 神奈川県相模原市
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] IRSFによるSgr A*の近赤外線モニター観測2016
- Author(s)
  西山正吾、川俣育幹
- Organizer
  第31回ブラックホール地平面勉強会
- Place of Presentation
  宇宙科学研究所相模原キャンパス(神奈川県相模原市)
- Year and Date
  2016-01-23
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] Interstellar Extinction Laws from Optical to Infrared Wavelengths in the Galaxy2016
- Author(s)
  Shogo Nishiyama
- Organizer
  Astronomical Distance Determination in the Space Age
- Place of Presentation
  International Space Science Institute Beijing, China
- Year and Date
  2016-05-23
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 赤外線暗黒星雲 “ネッシー” 星雲の近赤外線偏光観測2016
- Author(s)
  杉谷光司、楠根貴成、中村文隆、西山正吾、SIRPOL チーム
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  愛媛大学, 愛媛県松山市
- Year and Date
  2016-09-14
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] Interstellar Extinction Laws from Optical to Infrared Wavelengths in the Galaxy2016
- Author(s)
  Shogo Nishiyama
- Organizer
  Astronomical Distance Determination in the Space Age
- Place of Presentation
  International Space Science Institute Beijing, China
- Year and Date
  2016-05-23
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] Sgr A*近傍の星の観測とSMBH2016
- Author(s)
  西山正吾
- Organizer
  ブラックホール地平面勉強会
- Place of Presentation
  宇宙科学研究所相模原キャンパス, 神奈川県相模原市
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] Astrometry and Narrow-band Imaging of the Galactic Center with ULTIMATE-Subaru2016
- Author(s)
  Shogo Nishiyama
- Organizer
  ULTIMATE-Subaru Science Workshop 2016
- Place of Presentation
  国立天文台三鷹キャンパス, 東京都三鷹市
- Year and Date
  2016-06-16
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 赤外線暗黒星雲 “ネッシー” 星雲の近赤外線偏光観測2016
- Author(s)
  杉谷光司、楠根貴成、中村文隆、西山正吾、SIRPOL チーム
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  愛媛大学, 愛媛県松山市
- Year and Date
  2016-09-14
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 銀河系中心領域に存在するyoung, intermediate-age stars の起源の探査2016
- Author(s)
  岩松篤史、板由房、西山正吾
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  愛媛大学, 愛媛県松山市
- Year and Date
  2016-09-14
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] Astrometry and Narrow-band Imaging of the Galactic Center with ULTIMATE-Subaru2016
- Author(s)
  Shogo Nishiyama
- Organizer
  ULTIMATE-Subaru Science Workshop 2016
- Place of Presentation
  国立天文台三鷹キャンパス, 東京都三鷹市
- Year and Date
  2016-06-16
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] すばるIRDによるM型矮星周りの地球型惑星探索 III: 事前観測2016
- Author(s)
  大宮正士、佐藤文衛、平野照幸、葛原昌幸、小谷隆行、青木和光、中島紀、福井暁彦、原川紘季、成田憲保、田村元秀、比田井昌英、西山正吾、IRD チーム
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  愛媛大学, 愛媛県松山市
- Year and Date
  2016-09-14
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 地球型惑星検出のためのすばる赤外線ドップラー分光器 IRD の開発: 112016
- Author(s)
  小谷隆行、周藤浩士、西川淳、成田憲保、大宮正士、神戸栄治、森野潤一、寺田宏、小久保英一郎、鈴木竜二、工藤智幸、日下部展彦、原川紘季、林正彦、福井暁彦、權靜美、田村元秀、青木和光、西山正吾、他
- Organizer
  日本天文学会春季年会
- Place of Presentation
  首都大学東京(東京都八王子市)
- Year and Date
  2016-03-14
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心領域に存在するyoung, intermediate-age stars の起源の探査2016
- Author(s)
  岩松篤史、板由房、西山正吾
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  愛媛大学, 愛媛県松山市
- Year and Date
  2016-09-14
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 銀河系中心巨大BHの一般相対論効果と質量の高精度測定へ向けて：観測2016
- Author(s)
  西山正吾、斉田浩見
- Organizer
  「超巨大ブラックホール研究推進連絡会」第4回ワークショップ
- Place of Presentation
  東京大学天文学教育研究センター, 東京都三鷹市
- Year and Date
  2016-12-09
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系の巨大ブラックホールを周回する星S2の視線速度モニター計画2016
- Author(s)
  西山正吾、長田哲也、長友竣、田村元秀、高橋真聡、斉田浩見、孝森洋介
- Organizer
  日本天文学会春季年会
- Place of Presentation
  首都大学東京(東京都八王子市)
- Year and Date
  2016-03-14
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] ミラ型変光星を用いた銀河系中心の磁場構造の解析2016
- Author(s)
  善光哲哉、栗田光樹夫、木野勝、長友竣、長田哲也、松永典之、西山正吾
- Organizer
  日本天文学会春季年会
- Place of Presentation
  首都大学東京(東京都八王子市)
- Year and Date
  2016-03-14
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] Sgr A*近傍の星の観測とSMBH2016
- Author(s)
  西山正吾
- Organizer
  ブラックホール地平面勉強会
- Place of Presentation
  宇宙科学研究所相模原キャンパス, 神奈川県相模原市
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] IRSF/SIRIUSとすばる望遠鏡を用いた銀河系中心領域の近赤外線観測2015
- Author(s)
  西山正吾
- Organizer
  国立天文台談話会
- Place of Presentation
  国立天文台三鷹キャンパス(東京都三鷹市)
- Year and Date
  2015-09-04
- Invited
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 地球型惑星検出のためのすばる赤外線ドップラー分光器 IRDの開発: 102015
- Author(s)
  小谷隆行、周藤浩士、大宮正士、神戸栄治、森野潤一、寺田宏、小久保英一郎、鈴木竜二、成田憲保、工藤智幸、日下部展彦、原川紘季、林正彦、福井暁彦、權靜美、Oliver Guyon、田村元秀、西川淳、青木和光、西山正吾、他
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  甲南大学(兵庫県神戸市)
- Year and Date
  2015-09-09
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 銀河系中心における拡散X線放射と星数密度分布との違いについて2015
- Author(s)
  西山正吾、長田哲也、長友竣、田村元秀
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  甲南大学(兵庫県神戸市)
- Year and Date
  2015-09-09
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 近赤外線観測による銀河系中心領域の磁場構造とブラックホール近傍の研究2015
- Author(s)
  西山正吾
- Organizer
  東北大学天文学教室談話会
- Place of Presentation
  東北大学(宮城県仙台市)
- Year and Date
  2015-10-05
- Invited
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] G2騒動は終わったか2015
- Author(s)
  西山正吾
- Organizer
  第28回ブラックホール地平面勉強会
- Place of Presentation
  宇宙科学研究所相模原キャンパス(神奈川県相模原市)
- Year and Date
  2015-08-10
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] IRDによるBH近傍の相対論効果の検出と微細構造定数2015
- Author(s)
  西山正吾
- Organizer
  近赤外高分散分光研究会：地球型惑星探索と広がるサイエンス
- Place of Presentation
  国立天文台三鷹キャンパス(東京都三鷹市)
- Year and Date
  2015-11-24
- Data Source
  KAKENHI-PROJECT-15K13463
[Presentation] 鉄輝線放射率から探る銀河系拡散X線放射の放射源2015
- Author(s)
  長友竣、長田哲也、西山正吾、永山貴宏
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  甲南大学(兵庫県神戸市)
- Year and Date
  2015-09-09
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 銀河系の中心で起きる不思議な現象2014
- Author(s)
  西山正吾
- Organizer
  日本物理教育学会東北支部総会
- Place of Presentation
  宮城教育大学(宮城県仙台市)
- Year and Date
  2014-06-28
- Invited
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 銀河系Nuclear Star Clusterに広く分布する年齢50-500Myrの星2014
- Author(s)
  西山正吾
- Organizer
  日本天文学会春期年会
- Place of Presentation
  国際基督教大学
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 波面誤差を含む光源を用いた赤外用光ファイバーの特性評価試験2014
- Author(s)
  馬場はるか, 西川淳, 泉浦秀行, 小谷隆行, 周藤浩士, 西山正吾, ほか
- Organizer
  日本天文学会春季年会
- Place of Presentation
  国際基督教大学(東京都)
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] 地球型惑星検出のためのすばる赤外線ドップラー分光器IRDの開発: 72014
- Author(s)
  小谷隆行, 周藤浩士, 神戸栄治, 森野潤一, 寺田宏, 小久保英一郎, 鈴木竜二, 成田憲保, 工藤智幸, 日下部展彦, 西山正吾, ほか
- Organizer
  日本天文学会春季年会
- Place of Presentation
  国際基督教大学(東京都)
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] The Origin of the Galactic Center Diffuse X-ray Emission Investigated by Nearinfrared Observations2014
- Author(s)
  Shogo Nishiyama
- Organizer
  Suzaku-MAXI 2014, Expanding the Frontiers of the X-ray Universe
- Place of Presentation
  Ehime University, Ehime
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] The origin of the Galactic center diffuse X-ray emission investigated by near-infrared imaging and polarimetric observations2013
- Author(s)
  Shogo Nishiyama
- Organizer
  The Galactic Center: Feeding and Feedback in a Normal Galactic Nucleus
- Place of Presentation
  La Fonda on the Plaza, Sante Fe, USA
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 地球型惑星検出のためのすばる赤外線ドップラー分光器IRDの開発: 62013
- Author(s)
  小谷隆行, 周藤浩士, 黒川隆志, 神戸栄治, 森野潤一, 寺田宏, 小久保英一郎, 鈴木竜二, 成田憲保, 工藤智幸, 日下部展彦, 西山正吾, ほか
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  東北大学(宮城県)
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] 近赤外線観測で探る銀河系中心拡散X線放射の起源2013
- Author(s)
  西山正吾
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  東北大学
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] Observations of the Galactic center with Subaru/GLAO2013
- Author(s)
  Shogo Nishiyama
- Organizer
  Subaru Ground Layer AO Science Workshop
- Place of Presentation
  Hokkaido University
- Invited
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] Probing Space-time Structure near Massive Black Hole with Orbiting Stars2013
- Author(s)
  Shogo Nishiyama
- Organizer
  Astronomy in the TMT Era
- Place of Presentation
  Fukuracia Tokyo Station, Tokyo
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] IRSFを用いたSgr A*の近赤外線モニター観測計画2013
- Author(s)
  西山正吾
- Organizer
  日本天文学会春季年会
- Place of Presentation
  埼玉大学(埼玉県)
- Year and Date
  2013-03-20
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] Large Scale Magnetic Field Configuration in the Galactic Center2013
- Author(s)
  Shogo Nishiyama
- Organizer
  The Galactic Center Black Hole Laboratory
- Place of Presentation
  Instituto des Astrofisica de Andalusia, Granada, Spain
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 近赤外線観測で探る銀河系中心拡散X線放射の起源2013
- Author(s)
  西山正吾
- Organizer
  銀河系中心部ワークショップ２０１３
- Place of Presentation
  名古屋大学
- Invited
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] IRSFによるSgr A^*のモニタリング観測の提案2012
- Author(s)
  西山正吾
- Organizer
  IRSF勉強会
- Place of Presentation
  名古屋大学
- Year and Date
  2012-03-28
- Data Source
  KAKENHI-PROJECT-23840044
[Presentation] Astrometry at the Galactic center with Subaru/GLAO2012
- Author(s)
  Shogo Nishiyama
- Organizer
  Subaru-GLAO Science Workshop
- Place of Presentation
  国立天文台ハワイ観測所(U.S.A.)
- Year and Date
  2012-10-17
- Invited
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] 超大質量ブラックホールSgr A^*のモニタリング観測2012
- Author(s)
  西山正吾
- Organizer
  第5回miniTAO/ANIRサイエンスワークショップ
- Place of Presentation
  東京大学天文学教育研究センター
- Year and Date
  2012-03-14
- Data Source
  KAKENHI-PROJECT-23840044
[Presentation] Near-infrared Polarimetry and Interstellar Magnetic Fields in the Galactic Center2012
- Author(s)
  Shogo Nishiyama
- Organizer
  APCTP Workshop on Astrophysics: Magnetic Fields in Astrophysics
- Place of Presentation
  Pohang, Korea
- Year and Date
  2012-11-19
- Invited
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] 近赤外線偏光観測で探る銀河系中心領域の磁場構造2012
- Author(s)
  西山正吾
- Organizer
  銀河系中心部小研究会
- Place of Presentation
  名古屋大学(愛知県)
- Invited
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] Near-infrared polarimetry and interstellar magnetic fields in the Galactic center2012
- Author(s)
  Shogo Nishiyama
- Organizer
  New era for studying interstellar and intergalactic magnetic fields
- Place of Presentation
  Beijing, China
- Year and Date
  2012-08-20
- Invited
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] 銀河系中心領域の磁場構造2012
- Author(s)
  西山正吾
- Organizer
  天の川銀河研究会 2012：広域サーベイとそれに基づく　　最新の描像
- Place of Presentation
  鹿児島大学(鹿児島県)
- Year and Date
  2012-09-06
- Invited
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] Sgr A*の近赤外線観測の現状とモニタリング計画2012
- Author(s)
  西山正吾
- Organizer
  VLBI Workshop「ブラックホールからの噴出流
- Place of Presentation
  国立天文台三鷹キャンパス(東京都)
- Year and Date
  2012-09-07
- Invited
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] Sgr A*へのガス雲降着イベントと近赤外線モニター計画2012
- Author(s)
  西山正吾
- Organizer
  銀河系中心ブラックホール2013
- Place of Presentation
  宇宙科学研究所相模原キャンパス(神奈川県)
- Year and Date
  2012-10-07
- Invited
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] Science cases with the next generation AO (2)2012
- Author(s)
  西山正吾
- Organizer
  Subaru users meeting
- Place of Presentation
  国立天文台
- Year and Date
  2012-03-01
- Data Source
  KAKENHI-PROJECT-23840044
[Presentation] Early-type stars in the Galactic nuclear star cluster2012
- Author(s)
  Shogo Nishiyama
- Organizer
  Galactic center mini-workshop 2012 at Mitaka
- Place of Presentation
  国立天文台三鷹キャンパス(東京都)
- Invited
- Data Source
  KAKENHI-PUBLICLY-24103508
[Presentation] 狭帯域フィルターを用いた銀河系中心領域の早期型星の探査22012
- Author(s)
  西山正吾
- Organizer
  日本天文学会春季年会
- Place of Presentation
  龍谷大学
- Year and Date
  2012-03-21
- Data Source
  KAKENHI-PROJECT-23840044
[Presentation] 赤外線暗黒星雲 Serpens South Cloud の磁場構造2012
- Author(s)
  杉谷光司、中村文隆、西山正吾、永山貴宏、渡辺誠、SIRPOLチーム
- Organizer
  日本天文学会2012年秋季年会
- Place of Presentation
  大分大学
- Data Source
  KAKENHI-PROJECT-24540233
[Presentation] IRSFによるSgr A^*のモニタリング観測2012
- Author(s)
  西山正吾
- Organizer
  ブラックホール地平面の検出に向けて
- Place of Presentation
  宇宙科学研究所
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-23840044
[Presentation] 狭帯域フィルターを用いた銀河系中心領域の早期型星の探査2011
- Author(s)
  西山正吾
- Organizer
  日本天文学会秋季年会
- Place of Presentation
  鹿児島大学
- Year and Date
  2011-09-19
- Data Source
  KAKENHI-PROJECT-23840044
[Presentation] 銀河系中心と近赤外線偏光観測2011
- Author(s)
  西山正吾
- Organizer
  次世代の多波長偏光サイエンスの開拓研究会
- Place of Presentation
  国立天文台
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-23840044
[Presentation] 銀河中心の観点から:SubaruでもAstrometry2011
- Author(s)
  西山正吾
- Organizer
  すばる望遠鏡次世代AOワークショップ
- Place of Presentation
  大阪大学(招待講演)
- Year and Date
  2011-09-09
- Data Source
  KAKENHI-PROJECT-23840044
[Presentation] IRSF, 2MASS, SST/IRAC を用いた銀河系中心方向の1-8μm星間減光則2008
- Author(s)
  西山正吾, 他
- Organizer
  日本天文学会2008年春季年会
- 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
  2008-03-24
- Data Source
  KAKENHI-PROJECT-19740111
[Presentation] 銀河系中心領域の近赤外線偏光観測2007
- Author(s)
  西山正吾, 他
- Organizer
  日本天文学会2007年秋季年会
- Place of Presentation
  岐阜大学
- Year and Date
  2007-09-26
- Data Source
  KAKENHI-PROJECT-19740111
[Presentation] 星の偏光観測による銀河系磁場構造の測定
- Author(s)
  西山正吾
- Organizer
  「宇宙磁場」2014
- Place of Presentation
  国立天文台(東京都三鷹市)
- Year and Date
  2014-11-13 – 2014-11-14
- Invited
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 超大質量ブラックホールSgr A*のスピン測定を目指して
- Author(s)
  西山正吾、田村元秀、濱野哲史、義川達人、長田哲也、高橋真聡、斉田浩見、孝森洋介
- Organizer
  「超巨大ブラックホール研究推進連絡会」第２回ワークショップ
- Place of Presentation
  筑波大学(茨城県つくば市)
- Year and Date
  2014-11-03 – 2014-11-04
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 銀河中心の赤外線観測、Sgr A*周りの恒星、ガス雲G2の運動
- Author(s)
  西山正吾
- Organizer
  長野ブラックホール天文教育研究会
- Place of Presentation
  二澤旅館(長野県長野市)
- Year and Date
  2014-11-15 – 2014-11-16
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] SMBHを周回する星の視線速度モニター計画
- Author(s)
  西山正吾、田村元秀、濱野哲史、義川達人、長田哲也、高橋真聡、斉田浩見、孝森洋介
- Organizer
  第２４回ブラックホール地平面勉強会」研究会
- Place of Presentation
  湯田温泉ビジネスホテル喜良久(山口県山口市)
- Year and Date
  2014-10-04 – 2014-10-05
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 近赤外線による銀河系中心ブラックホール近傍の観測
- Author(s)
  西山正吾
- Organizer
  第８回ブラックホール磁気圏研究会
- Place of Presentation
  広島大学(広島県東広島市)
- Year and Date
  2015-03-02 – 2015-03-04
- Invited
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 銀河系中心だからこそできるブラックホール近傍のサイエンス
- Author(s)
  西山正吾
- Organizer
  「活動銀河核ワークショップ～2020年代への展望～」
- Place of Presentation
  国立天文台(東京都三鷹市)
- Year and Date
  2014-04-23 – 2014-04-24
- Invited
- Data Source
  KAKENHI-PROJECT-25707012
[Presentation] 近赤外線観測で探る銀河系中心領域の拡散X線放射の起源
- Author(s)
  西山正吾、長友竣、安井一樹、長田哲也、義川達人、田村元秀、内山秀樹
- Organizer
  天の川銀河研究会 2015
- Place of Presentation
  東京大学(東京都文京区)
- Year and Date
  2015-03-23 – 2015-03-24
- Data Source
  KAKENHI-PROJECT-25707012

1. SAIDA Hiromi (80367648)

# of Collaborated Projects: 5 results

# of Collaborated Products: 15 results
2. TAKAMORI Yohsuke (30613153)

# of Collaborated Projects: 4 results

# of Collaborated Products: 8 results
3. TAKAHASHI Masaaki (30242895)

# of Collaborated Projects: 4 results

# of Collaborated Products: 12 results
4. WATANABE Makoto (10450181)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
5. IWAMATSU Atsushi

# of Collaborated Projects: 2 results

# of Collaborated Products: 8 results
6. SUGITANI Koji (80192615)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
7. NAKAMURA Fumitaka (20291354)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
8. NAGAYAMA Takahiro (00533275)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
9. Kawabata Koji (60372702)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 松村雅文 (50239084)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 當真賢二 (70729011)

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# of Collaborated Products: 0 results
12. Lozi Julien (20806658)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
13. 美濃和陽典 (60450194)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
14. Guyon Olivier (90399288)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
15. 岡朋治 (10291056)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
16. 小嶋崇文 (00617417)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 竹川俊也 (10827851)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
18. 野村真理子 (50756351)

# of Collaborated Projects: 1 results

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19. 松本浩典 (90311365)

# of Collaborated Projects: 1 results

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20. 浅山信一郎 (60390621)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 森鼻久美子 (50640843)

# of Collaborated Projects: 1 results

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22. 田中壱 (70374890)

# of Collaborated Projects: 1 results

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23. 田幡憲一 (00236720)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
24. 齊藤敬 (00343616)

# of Collaborated Projects: 1 results

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25. 五十嵐誓 (00973330)

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# of Collaborated Products: 2 results
26. 中山慎也 (10870892)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
27. 渡辺尚 (20756522)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
28. 大迫章史 (60382686)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
29. KUSUNE Takayoshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
30. OKADA Masataka

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. KAWAMATA Ikumi

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
32. ONOZATO Hiroki

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
33. ADACHI Rina

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. SEKI Megumi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. NAGATOMO Schun

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
36. GORIN Haruka

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
37. TAKAHASHI Mizuki

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
38. ZENKO Tetsuya

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
39. 長田哲也

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
40. 小林尚人

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
41. 田村元秀

# of Collaborated Projects: 0 results

# of Collaborated Products: 4 results
42. 板由房

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
43. KWON Jungmi

# of Collaborated Projects: 0 results

# of Collaborated Products: 4 results

Nishiyama Shogo 西山 正吾

NISHIYAMA Shogo 西山 正吾

西山 正吾 ニシヤマ シヨウゴ

Research Projects

Research Products

Co-Researchers

The origin of binary black holes in the Galactic center: Quantitative test using a new techniquiePrincipal Investigator

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Analysis of stellar motion to reveal the dark matter distribution around the Galactic center supermassive black hole

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近赤外線特殊狭帯域フィルターによる銀河面の天体種族解明

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原理的な学修を教育実践に活かす能力を育む、教員養成モデルカリキュラムの作成

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Search for Missing Black Holes in the Galaxy based on Submillimeter-wave Observations

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Measurements of relativistic effects from supermassive black hole using Subaru telescope and near-infrared wavefront sensorPrincipal Investigator

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Measurement of the fine structure constant 11 billion years ago using a laser frequency comb and new near-infrared spectrographPrincipal Investigator

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Study on structure of the Milky Way galaxy and mechanisms of cosmic transient phenomena probed by optical all-sky polarimetric survey

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Study of precise radial velocity measurements of stars orbiting around a supermassive black hole, to investigate space-time structure around the black holePrincipal Investigator

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Constraining the spin of Sgr A* via the motion of the S-stars

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Monitoring observation of near-infrared flares from supermassive black hole caused by gas accretionPrincipal Investigator

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地球型惑星検出を目指した視線速度測定近赤外線分光器のためのファイバー較正法の確立Principal Investigator

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Studies of Magnetic Field Structures in Infrared Dark Clouds

Principal Investigator

Nishiyama Shogo 西山正吾

NISHIYAMA Shogo 西山正吾

西山正吾ニシヤマシヨウゴ