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Takekawa Shunya  竹川 俊也

Researcher Number 10827851
Other IDs
  • ORCIDhttps://orcid.org/0000-0001-8147-6817
Affiliation (Current) 2025: 神奈川大学, 工学部, 助教
Affiliation (based on the past Project Information) *help 2020 – 2024: 神奈川大学, 工学部, 助教
2019: 国立天文台, 野辺山宇宙電波観測所, 特任研究員
Review Section/Research Field
Principal Investigator
Basic Section 16010:Astronomy-related
Except Principal Investigator
Medium-sized Section 16:Astronomy and related fields
Keywords
Principal Investigator
電波望遠鏡 / 分子雲 / 銀河系中心 / 星間物質 / ブラックホール / 星団 / 中間質量ブラックホール
Except Principal Investigator
星間物質 / 銀河系中心 / ブラックホール
  • Research Projects

    (3 results)
  • Research Products

    (48 results)
  • Co-Researchers

    (7 People)
  •  Origin and Past Activity of the Galactic Center Supermassive Black Hole Probed by Radio ObservationsPrincipal Investigator

    • Principal Investigator
      竹川 俊也
    • Project Period (FY)
      2024 – 2026
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 16010:Astronomy-related
    • Research Institution
      Kanagawa University
  •  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
  •  Probing Intermediate-mass Black Holes in the Galactic Center with the Observations of High-Velocity Compact CloudsPrincipal Investigator

    • Principal Investigator
      Takekawa Shunya
    • Project Period (FY)
      2019 – 2023
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 16010:Astronomy-related
    • Research Institution
      Kanagawa University
      National Astronomical Observatory of Japan

All 2024 2023 2022 2021 2020 2019

All Journal Article Presentation

  • [Journal Article] ALMA View of the High-velocity-dispersion Compact Cloud CO 0.02?0.02 at the Galactic Center2023

    • Author(s)
      Iwata Yuhei、Oka Tomoharu、Takekawa Shunya、Tsujimoto Shiho、Enokiya Rei
    • Journal Title

      The Astrophysical Journal

      Volume: 950 Issue: 1 Pages: 25-25

    • DOI

      10.3847/1538-4357/acc9b0

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Journal Article] Discovery of the Tadpole Molecular Cloud near the Galactic Nucleus2023

    • Author(s)
      Kaneko Miyuki、Oka Tomoharu、Yokozuka Hiroki、Enokiya Rei、Takekawa Shunya、Iwata Yuhei、Tsujimoto Shiho
    • Journal Title

      The Astrophysical Journal

      Volume: 942 Issue: 1 Pages: 46-46

    • DOI

      10.3847/1538-4357/aca66a

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K14768, KAKENHI-PROJECT-20H00178
  • [Journal Article] Evidence for a gamma-ray molecular target in the enigmatic PeVatron candidate LHAASO J2108+51572023

    • Author(s)
      de la Fuente E.、Toledano-Ju?rez I.、Kawata K.、Trinidad M. A.、Yamagishi M.、Takekawa S.、Tafoya D.、Ohnishi M.、Nishimura A.、Kato S.、Sako T.、Takita M.、Sano H.、Yadav R. K.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 675 Pages: L5-L5

    • DOI

      10.1051/0004-6361/202346681

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K14768, KAKENHI-PROJECT-19H00678, KAKENHI-PROJECT-21H04464
  • [Journal Article] ALMA View of the High-velocity-dispersion Compact Cloud CO 0.02-0.02 at the Galactic Center2023

    • Author(s)
      Yuhei Iwata, Tomoharu Oka, Shunya Takekawa, Shiho Tsujimoto, Rei Enokiya
    • Journal Title

      The Astrophysical Journal

      Volume: 950

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Predicting reliable H2 column density maps from molecular line data using machine learning2023

    • Author(s)
      Shimajiri Yoshito、Kawanishi Yasutomo、Fujita Shinji、Miyamoto Yusuke、Ito Atsushi M、Arzoumanian Doris、Andr? Philippe、Nishimura Atsushi、Tokuda Kazuki、Kaneko Hiroyuki、Takekawa Shunya、Ueda Shota、Onishi Toshikazu、Inoue Tsuyoshi、Nishimoto Shimpei、Yoneda Ryuki
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 526 Issue: 1 Pages: 966-981

    • DOI

      10.1093/mnras/stad2715

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K04035, KAKENHI-PROJECT-19K14768, KAKENHI-PLANNED-18H05440
  • [Journal Article] Search for Broad-velocity-width Molecular Features in the Galactic Plane2021

    • Author(s)
      Yokozuka, H.; Oka, T.; Takekawa, S.; Iwata, Y.; Tsujimoto, S.; Watanabe, Y.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 81-83

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Spectral Line Survey Toward the Energetic HVCC CO 0.02-0.022021

    • Author(s)
      Nakagawara, R.; Oka, T.; Iwata, Y.; Tsujimoto, S.; Roll, J. A.; Kanno, S.; Uruno, A.; Yokozuka, H.; Watanabe, Y.; Takekawa, S.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 89-90

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Detection of Another Molecular Bubble in the Galactic Center2021

    • Author(s)
      Tsujimoto, S.; Oka, T.; Takekawa, S.; Yamada, M.; Tokuyama, S.; Iwata, Y.; Roll, J. A.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 75-78

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Automated Identification of High Velocity Compact Clouds in the Central Molecular Zone2021

    • Author(s)
      Uruno, A.; Oka, T.; Takekawa, S.; Iwata, Y.; Tsujimoto, S.; Kanno, S.; Nakagawara, R.; Yokozuka, H.; Watanabe, Y.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 85-87

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] A New Look at the High-velocity Compact Cloud CO 0.02-0.022021

    • Author(s)
      Iwata, Y. ; Oka, T. ; Takekawa, S. ; Nakagawara, R. ; Tsujimoto, S. ; Roll, J. A.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 109-110

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Broad-velocity-width Molecular Features in the Galactic Plane2021

    • Author(s)
      Yokozuka Hiroki、Oka Tomoharu、Takekawa Shunya、Iwata Yuhei、Tsujimoto Shiho
    • Journal Title

      The Astrophysical Journal

      Volume: 908 Issue: 2 Pages: 246-246

    • DOI

      10.3847/1538-4357/abd556

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K14768, KAKENHI-PROJECT-18J20450, KAKENHI-PROJECT-19J10863, KAKENHI-PROJECT-20H00178
  • [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] A 50-pc Molecular Ring That Encircles the Brightest Region of Diffuse X-ray Emission - Physical Association or Just a Coincidence?2021

    • Author(s)
      Hasegawa, T. ; Oka, T. ; Takekawa, S.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 127-129

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Discovery of a High-Velocity Compact Cloud With Very High CO J=3-2/J=1-0 Ratio2021

    • Author(s)
      Kanno, S. ; Oka, T. ; Tsujimoto, S. ; Iwata, Y. ; Takekawa, S.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 103-105

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Peculiar Group of High-velocity Compact Clouds Near the Sagittarius B Cloud Complex2021

    • Author(s)
      Watanabe, Y.; Oka, T.; Takekawa, S.; Tsujimoto, S.; Iwata, Y.; Kanno, S.; Yokozuka, H.; Uruno, A.; Nakagawara, R.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 95-97

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Intermediate-mass Black Hole Candidates in the Galactic Center2021

    • Author(s)
      Takekawa, S. ; Oka, T. ; Iwata, Y. ; Tsujimoto, S. ; Nomura, M.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 149-154

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Time Variations of the Sgr A* Flux at 230 GHz With ALMA2021

    • Author(s)
      Iwata, Y. ; Oka, T. ; Miyoshi, M. ; Tsuboi, M. ; Takekawa, S.
    • Journal Title

      New Horizons in Galactic Center Astronomy and Beyond. ASP Conference Series

      Volume: 528 Pages: 223-225

    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Journal Article] Time Variations in the Flux Density of Sgr A* at 230 GHz Detected with ALMA2020

    • Author(s)
      Iwata Yuhei、Oka Tomoharu、Tsuboi Masato、Miyoshi Makoto、Takekawa Shunya
    • Journal Title

      The Astrophysical Journal

      Volume: 892 Issue: 2 Pages: L30-L30

    • DOI

      10.3847/2041-8213/ab800d

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18J20450, KAKENHI-PROJECT-19K03939, KAKENHI-PROJECT-19K14768, KAKENHI-PROJECT-20H00178
  • [Journal Article] The Fifth Candidate for an Intermediate-mass Black Hole in the Galactic Center2020

    • Author(s)
      Takekawa Shunya、Oka Tomoharu、Iwata Yuhei、Tsujimoto Shiho、Nomura Mariko
    • Journal Title

      The Astrophysical Journal

      Volume: 890 Issue: 2 Pages: 167-172

    • DOI

      10.3847/1538-4357/ab6f6f

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K14768, KAKENHI-PROJECT-18J20450, KAKENHI-PROJECT-19J10863
  • [Journal Article] High-resolution CO images of the Galactic central molecular zone2019

    • Author(s)
      Tokuyama Sekito、Oka Tomoharu、Takekawa Shunya、Iwata Yuhei、Tsujimoto Shiho、Yamada Masaya、Furusawa Maiko、Nomura Mariko
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 印刷中 Issue: Supplement_1

    • DOI

      10.1093/pasj/psy150

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18J20450, KAKENHI-PROJECT-19K14768
  • [Journal Article] An energetic high-velocity compact cloud: CO-0.31+0.112019

    • Author(s)
      Takekawa Shunya、Oka Tomoharu、Tokuyama Sekito、Tanabe Kyosuke、Iwata Yuhei、Tsujimoto Shiho、Nomura Mariko、Shibuya Yukihiro
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 71 Issue: Supplement_1

    • DOI

      10.1093/pasj/psz027

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K14768, KAKENHI-PROJECT-18J20450, KAKENHI-PROJECT-19J10863
  • [Presentation] 銀河系中心の分子雲あれこれ2024

    • Author(s)
      竹川俊也
    • Organizer
      坪井先生退官記念 銀河中心研究会2024
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] Central Molecular Zoneに刻まれた爆発的中心核活動の痕跡2024

    • Author(s)
      竹川俊也、辻本志保、横塚弘樹、岡 朋治、金子美由起、原田ななせ、岩田悠平、榎谷玲依
    • Organizer
      天の川銀河研究会2024
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] ALMA望遠鏡による特異分子雲“Tadpole"の高分解能観測2023

    • Author(s)
      金子美由起, 岡 朋治, 横塚弘樹, 辻本志保, 竹川俊也, 岩田悠平, 榎谷玲依
    • Organizer
      日本天文学会2023年秋季年会
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Presentation] Ultra-compact clumps with extremely broad velocity widths in the Galactic center2023

    • Author(s)
      Shunya Takekawa, Tomoharu Oka, Miyuki Kaneko, Yuhei Iwata
    • Organizer
      宇宙電波懇談会シンポジウム
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 銀河系中心核近傍の超小型高速度コンパクト雲2023

    • Author(s)
      竹川俊也
    • Organizer
      ngVLA合同サイエンスワークショップ
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 野辺山45m鏡による銀河系中心衝撃波領域の広域探査2023

    • Author(s)
      竹川俊也、辻本志保、横塚弘樹、岡 朋治、金子美由起、原田ななせ、岩田悠平、榎谷玲依
    • Organizer
      銀河系中心研究会2023
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 野辺山 45 m 鏡による銀河系中心衝撃波領域の広域イメージング観測2022

    • Author(s)
      竹川俊也、辻本志保、横塚弘樹、金子美由起、岡 朋治、榎谷玲依、岩田悠平
    • Organizer
      日本天文学会2022年秋季年会
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Presentation] 銀河系中心分子層東端に位置する特異分子雲 G1.6-0.025 の観測的研究2022

    • Author(s)
      児島友里、岡 朋治、榎谷怜依、横塚弘樹、竹川俊也
    • Organizer
      日本天文学会2022年秋季年会
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Presentation] ALMA Archive Data を用いた銀河系中心核 Sgr A* の光度変動解析2022

    • Author(s)
      柳原一輝、岡 朋治、嶋田理央、岩田悠平、竹川俊也
    • Organizer
      日本天文学会2022年秋季年会
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Presentation] 野辺山45m鏡による銀河系中心衝撃波領域の広域イメージング観測2022

    • Author(s)
      竹川俊也、辻本志保、横塚弘樹、金子美由起、岡 朋治、榎谷玲依、岩田悠平
    • Organizer
      日本天文学会2022年秋季節年会
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 銀河系中心領域に発見された特異分子雲 “Tadpole”の観測的研究2022

    • Author(s)
      金子美由起、岡 朋治、横塚弘樹、辻本志保、榎谷玲依、竹川俊也、岩田悠平
    • Organizer
      日本天文学会2022年秋季年会
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Presentation] 銀河系中心領域における中間質量ブラックホール探査の可能性2022

    • Author(s)
      竹川俊也
    • Organizer
      宇宙電波懇談会シンポジウム2021
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 銀河系中心領域に発見された特異分子雲 “Tadpole”の空間速度構造2021

    • Author(s)
      金子美由起、岡 朋治、横塚弘樹、辻本志保、榎谷玲依、竹川俊也、岩田悠平
    • Organizer
      日本天文学会2021年秋季年会
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Presentation] 次世代単一鏡による高速度コンパクト雲の研究2021

    • Author(s)
      竹川俊也、岡 朋治、辻本志保、横塚弘樹、金子美由起、岩田悠平
    • Organizer
      日本天文学会 2021年秋季年会
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 高速度分子雲による中間質量ブラックホール探査の可能性2021

    • Author(s)
      竹川俊也、岡 朋治、辻本志保、横塚弘樹、金子美由起、岩田悠平
    • Organizer
      JASMINE Consortium Meeting 2021
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 銀河系中心領域における特異分子雲 “Tadpole” の空間速度構造2021

    • Author(s)
      金子美由起, 岡朋治, 岩田悠平, 辻本志保, 横塚弘樹, 竹川俊也
    • Organizer
      日本天文学会2021年春季年会
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Presentation] 銀河系中心領域の特異分子雲2020

    • Author(s)
      竹川俊也
    • Organizer
      (サブ)ミリ波単一鏡の革新で挑む, 天文学の未解決問題
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] Report of a 45m Large program2020

    • Author(s)
      Shunya Takekawa
    • Organizer
      ALMA/45m/ASTE Users Meeting 2020
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 銀河系中心領域における特異分子雲 “Tadpole” の発見2020

    • Author(s)
      金子美由起, 岡朋治, 岩田悠平, 辻本志保, 横塚弘樹, 竹川俊也
    • Organizer
      日本天文学会2020年秋季年会
    • Data Source
      KAKENHI-PROJECT-20H00178
  • [Presentation] 野辺山45m鏡による銀河系中心分子層の全面イメージング観測2020

    • Author(s)
      竹川俊也, 辻元志保, 岡 朋治, 岩田悠平, 横塚弘樹, 渡邉裕人, 中川原崚介, 宇留野麻香, 西山苑実, 金子美由起
    • Organizer
      Nobeyama Science Workshop 2020
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] ALMA views of high-velocity compact clouds in the Galactic center2020

    • Author(s)
      竹川俊也、岡 朋治、岩田悠平、辻本志保、野村真理子
    • Organizer
      East-Asian ALMA Science Workshop 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] High frequency studies of the Galactic center2019

    • Author(s)
      竹川俊也
    • Organizer
      East-Asian ALMA Development Workshop 2019
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] The Galactic Central Molecular Zone with ASTE2019

    • Author(s)
      竹川俊也
    • Organizer
      Sub-mm Spectroscopy and Large Scale Science with ASTE
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] Report from Large program 2: Galactic Center2019

    • Author(s)
      竹川俊也、辻本志保、岡 朋治、岩田悠平、渡邉裕人、中川原崚介、横塚弘樹、宇留野麻香、長谷川哲夫、鳥居和史、坪井昌人
    • Organizer
      ALMA/45m/ASTE Users Meeting 2019
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] 銀河系中心領域に発見された中間質量ブラックホールの痕跡2019

    • Author(s)
      竹川俊也
    • Organizer
      東京大学天文学教室談話会
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] High-velocity Compact Clouds in the Galactic Center2019

    • Author(s)
      竹川俊也、辻本志保、岡 朋治、岩田悠平、渡邉裕人、中川原崚介、横塚弘樹、宇留野麻香、長谷川哲夫、鳥居和史、坪井昌人
    • Organizer
      Nobeyama Science Workshop 令和元年
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K14768
  • [Presentation] Intermediate-mass black hole candidates in the Galactic center2019

    • Author(s)
      竹川俊也、岡 朋治、岩田悠平、辻本志保、野村真理子
    • Organizer
      Galactic Center Workshop 2019: New Horizons in Galactic Center Astronomy and Beyond
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K14768
  • 1.  岡 朋治 (10291056)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 19 results
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