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X線・多波長データ統合解析で探るブラックホール・ダウンサイジングの起源

Research Project

Project/Area Number 20H01946
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 16010:Astronomy-related
Research InstitutionKyoto University

Principal Investigator

上田 佳宏  京都大学, 理学研究科, 准教授 (10290876)

Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Granted (Fiscal Year 2023)
Budget Amount *help
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2023: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2022: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2021: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2020: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsブラックホール
Outline of Research at the Start

最近の観測により、巨大ブラックホールと銀河がともに「ダウンサイジング」現象を示し、両者の「共進化」の描像が予想以上に複雑であることが分かりつつある。本研究は、(1)高感度の硬X線(>10 keV)観測による、合体銀河からの埋もれた活動銀河核(AGN)の探査とその宇宙論的進化の解明、(2) 広い赤方偏移・光度範囲をカバーした統合X線サンプルの多波長スペクトル解析による、AGN母銀河の進化の解明、(3) 精密X線スペクトル観測による近傍AGNの中心核構造の解明、の3 本を柱とする。これらにより、ダウンサイジングと共進化の起源について、明確な観測的検証を行なう。

Outline of Annual Research Achievements

Swift/BATによって発見されたコンプトン厚AGN候補52天体の広域スペクトルに対し、我々の開発したクランピートーラスモデル(XCLUMPY)を当てはめた。その結果、コンプトン厚な物質によって覆われている立体角の割合が、全AGNの統計解析から推定された値よりも有意に大きいことがわかった(Tanimoto, Ueda, et al.)。この結果は、コンプトン厚AGNが、ふつうのAGNと異なる中心核構造をもつことを示唆している。
銀河中心ブラックホールは、ほとんどの時期を、質量降着率が小さく活動的でない状態で過ごすと考えられる。理論によれば、そのような状態で定常的に放出されるジェットが、周囲へのフィードバックに重要な役割を果たすと予測されている。低光度期におけるブラックホール降着円盤の構造を理解するために、銀河系内ブラックホール連星 MAXI J1820+070の再増光期のおける多波長スペクトルデータの解析を行なった。その結果、円盤が輻射非効率降着流になっており、強いジェット放射が共存していることが明らかになった(Yoshitake, Shidatsu, Ueda et al.)。この結果は、2023年5月に行なわれた国際会議「第10回マイクロクェーサーワークショップ」で発表した。
遠方宇宙にうける隠されたAGNを探査するために、我々のチームが進めているALMA Lensing Cluster Surveyで見つかったミリ波銀河 180天体とChandra衛星によるX線カタログをマッチングすることで、X線を放射しているAGNを3天体同定した。多波長スペクトル分布の解析の結果、これらは星形成率とブラックホール成長率がともに非常に大きく、まさに銀河ブラックホールの共進化期にある種族であることが示唆された(Uematsu, Ueda et al.)。

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

最新モデルを用いた近傍宇宙のコンプトン厚AGNの系統的な広域X線スペクトル解析、銀河系内ブラックホールX線連星の多波長観測による低質量降着率下にあるブラックホール降着円盤の振舞いの解明、X線を用いた遠方ミリ波銀河中の隠されたAGNの探査など、広いテーマで重要な成果を出すことができたといえる。

Strategy for Future Research Activity

さまざまな赤方偏移にあるX線で検出されたAGNの多波長スペクトルエネルギー分布(SED)解析を行なうことで、母銀河の星形成率・星質量とAGNのパラメータを同時に精度よく決定し、銀河と超大質量ブラックホール進化シナリオを検証する。そのために、クランピートーラスにポーラーダスト成分を加えた新しい多波長SEDモデルを開発する。XRISM衛星で得られた近傍AGNの精密X線分光データの解析を進め、その動的構造を解明する。

Report

(3 results)
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • Research Products

    (43 results)

All 2023 2022 2021 2020

All Journal Article (38 results) (of which Int'l Joint Research: 33 results,  Peer Reviewed: 38 results,  Open Access: 32 results) Presentation (5 results) (of which Int'l Joint Research: 5 results,  Invited: 4 results)

  • [Journal Article] ALMA Lensing Cluster Survey: Properties of Millimeter Galaxies Hosting X-Ray-detected Active Galactic Nuclei2023

    • Author(s)
      Uematsu Ryosuke、Ueda Yoshihiro、Kohno Kotaro、Yamada Satoshi、Toba Yoshiki、Fujimoto Seiji、Hatsukade Bunyo、Umehata Hideki、Espada Daniel、Sun Fengwu、Magdis Georgios E.、Kokorev Vasily、Ao Yiping
    • Journal Title

      The Astrophysical Journal

      Volume: 945 Issue: 2 Pages: 121-121

    • DOI

      10.3847/1538-4357/acb4e9

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The eROSITA Final Equatorial-Depth Survey (eFEDS). A multiwavelength view of WISE mid-infrared galaxies/active galactic nuclei2022

    • Author(s)
      Toba Yoshiki、Liu Teng、Urrutia Tanya、Salvato Mara、Li Junyao、Ueda Yoshihiro、Brusa Marcella、Yutani Naomichi、Wada Keiichi、Nishizawa Atsushi J.、Buchner Johannes、Nagao Tohru、Merloni Andrea、Akiyama Masayuki、Arcodia Riccardo、Hsieh Bau-Ching、Ichikawa Kohei、Imanishi Masatoshi、Inoue, Kaiki T.、et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 661 Pages: A15-A15

    • DOI

      10.1051/0004-6361/202141547

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] ALMA Lensing Cluster Survey: ALMA-Herschel Joint Study of Lensed Dusty Star-forming Galaxies across z ? 0.5 ? 62022

    • Author(s)
      Sun Fengwu et al. (incl. Kana Morokuma-Matsui)
    • Journal Title

      The Astrophysical Journal

      Volume: 932 Issue: 2 Pages: 77-77

    • DOI

      10.3847/1538-4357/ac6e3f

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] NuSTAR Observations of 52 Compton-thick Active Galactic Nuclei Selected by the Swift/Burst Alert Telescope All-sky Hard X-Ray Survey2022

    • Author(s)
      Tanimoto Atsushi、Ueda Yoshihiro、Odaka Hirokazu、Yamada Satoshi、Ricci Claudio
    • Journal Title

      The Astrophysical Journal Supplement Series

      Volume: 260 Issue: 2 Pages: 30-30

    • DOI

      10.3847/1538-4365/ac5f59

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] BASS. XXIV. The BASS DR2 Spectroscopic Line Measurements and AGN Demographics2022

    • Author(s)
      Oh Kyuseok、Koss Michael J.、Ueda Yoshihiro (incl. Ichikawa Kohei) et al.
    • Journal Title

      The Astrophysical Journal Supplement Series

      Volume: 261 Issue: 1 Pages: 4-4

    • DOI

      10.3847/1538-4365/ac5b68

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] BASS. XXX. Distribution Functions of DR2 Eddington Ratios, Black Hole Masses, and X-Ray Luminosities2022

    • Author(s)
      Ananna Tonima Tasnim et al.
    • Journal Title

      The Astrophysical Journal Supplement Series

      Volume: 261 Issue: 1 Pages: 9-9

    • DOI

      10.3847/1538-4365/ac5b64

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Multiwavelength observations of the black hole X-ray binary MAXI?J1820+070 in the rebrightening phase2022

    • Author(s)
      Yoshitake T.、Shidatsu M.. Oasa Y.、OISTER Collaboration et al.
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 74 Issue: 4 Pages: 805-814

    • DOI

      10.1093/pasj/psac038

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] BASS XXXVII: The Role of Radiative Feedback in the Growth and Obscuration Properties of Nearby Supermassive Black Holes2022

    • Author(s)
      Ricci C., Ananna T. T., Temple M. J., Urry C. M., Koss M. J., Trakhtenbrot B., Ueda Y., Stern D., Bauer F. E., Treister E., Privon G. C., Oh K., Paltani S., Stalevski M., Ho L. C., Fabian A. C., Mushotzky R., Chang C. S., Ricci F., Kakkad D., Sartori L., Baer R., Caglar T., Powell M., Harrison F.
    • Journal Title

      The Astrophysical Journal

      Volume: 938 Issue: 1 Pages: 67-67

    • DOI

      10.3847/1538-4357/ac8e67

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] BASS XXXII: Studying the Nuclear Millimeter-wave Continuum Emission of AGNs with ALMA at Scales <100-200 pc2022

    • Author(s)
      Kawamuro Taiki、Ricci Claudio、Imanishi Masatoshi、Mushotzky Richard F.、Izumi Takuma、Ricci Federica、Bauer Franz E.、Koss Michael J.、Trakhtenbrot Benny、Ichikawa Kohei、et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 938 Issue: 1 Pages: 87-87

    • DOI

      10.3847/1538-4357/ac8794

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] XXL-HSC: Link between AGN activity and star formation in the early Universe (z>3.5)2022

    • Author(s)
      Pouliasis E., Mountrichas G., Georgantopoulos I., Ruiz A., Gilli R., Koulouridis E., Akiyama M., Ueda Y., Garrel C., Nagao T., Paltani S., Pierre M., Toba Y., Vignali C.
    • Journal Title

      Astronomy and Astrophysics

      Volume: 667 Pages: A56-A56

    • DOI

      10.1051/0004-6361/202243502

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Broadband X-Ray Spectral Analysis of the Dual AGN System Mrk 7392022

    • Author(s)
      Inaba Koki、Ueda Yoshihiro、Yamada Satoshi、Ogawa Shoji、Uematsu Ryosuke、Tanimoto Atsushi、Ricci Claudio
    • Journal Title

      The Astrophysical Journal

      Volume: 939 Issue: 2 Pages: 88-88

    • DOI

      10.3847/1538-4357/ac97ec

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Probing the Structure and Evolution of BASS Active Galactic Nuclei through Eddington Ratios2022

    • Author(s)
      Ananna T. T., Urry C. M., Ricci C., et al. (Ueda Y.)
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 939 Issue: 1 Pages: L13-L13

    • DOI

      10.3847/2041-8213/ac9979

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] BASS. XXXIII. Swift-BAT Blazars and Their Jets through Cosmic Time2022

    • Author(s)
      Marcotulli L., Ajello M., Urry C. M., Paliya V. S., Koss M., Oh K., Madejski G., Ueda Y., Balokoviト? M., Trakhtenbrot B., Ricci F., Ricci C., Stern D., Harrison F., Powell M. C., BASS Collaboration
    • Journal Title

      The Astrophysical Journal

      Volume: 940 Issue: 1 Pages: 77-77

    • DOI

      10.3847/1538-4357/ac937f

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The Obscured Fraction of Quasars at Cosmic Noon2022

    • Author(s)
      Vijarnwannaluk Bovornpratch、Akiyama Masayuki、Schramm Malte、Ueda Yoshihiro、Matsuoka Yoshiki、Toba Yoshiki、Sawicki Marcin、Gwyn Stephen、Pflugradt Janek
    • Journal Title

      The Astrophysical Journal

      Volume: 941 Issue: 1 Pages: 97-97

    • DOI

      10.3847/1538-4357/ac9c07

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Extreme Nature of Four Blue-excess Dust-obscured Galaxies Revealed by Optical Spectroscopy2022

    • Author(s)
      Noboriguchi Akatoki, Nagao Tohru, Toba Yoshiki, Ichikawa Kohei, Kajisawa Masaru, Kato Nanako, Kawaguchi Toshihiro, Matsuhara Hideo, Matsuoka Yoshiki, Onishi Kyoko, Onoue Masafusa, Tamada Nozomu, Terao Koki, Terashima Yuichi, Ueda Yoshihiro, Yamashita Takuji
    • Journal Title

      The Astrophysical Journal

      Volume: 941 Issue: 2 Pages: 195-195

    • DOI

      10.3847/1538-4357/aca403

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Frontiers in accretion physics at high X-ray spectral resolution2022

    • Author(s)
      Ghandi, P. and 11 co-authors (including Makishima, K.)
    • Journal Title

      Nature Astronomy

      Volume: 6 Issue: 12 Pages: 1364-1375

    • DOI

      10.1038/s41550-022-01857-y

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Optical IFU observations of GOALS sample with KOOLS-IFU on Seimei Telescope: Initial results of nine U/LIRGs at < 0.042022

    • Author(s)
      Toba Y., Yamada S., Matsubayashi K., Terao K., Moriya A., Ueda Y., Ohta K., Hashiguchi A., Himoto K. G., Izumiura H., Joh K., Kato N., Koyama S., Maehara H., Misato R., Noboriguchi A., Ogawa S., Ota N., Shibata M., Tamada N., Yanagawa A., Yonekura N., Nagao T., Akiyama M., Kajisawa M., Matsuoka Y.
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 74 Issue: 6 Pages: 1356-1367

    • DOI

      10.1093/pasj/psac073

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] XXL-HSC: An updated catalogue of high-redshift (z~3.5) X-ray AGN in the XMM-XXL northern field. Constraints on the bright end of the soft log N-log S2022

    • Author(s)
      Pouliasis, E. (Ueda, Y.) et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 658 Pages: A175-A175

    • DOI

      10.1051/0004-6361/202142059

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 3 2022ApJ...925...55O 2022/01 quick access to full text links quick links to lists of references, citations and more quick links to data associated with this article Warm Absorbers in the Radiation-driven Fountain Model of Low-mass Active Galactic Nuclei2022

    • Author(s)
      Ogawa, S., Ueda, Y., Wada, K., Mizumoto, M.
    • Journal Title

      The Astrophysical Journal

      Volume: 925 Issue: 1 Pages: 55-55

    • DOI

      10.3847/1538-4357/ac3cb9

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 4 2021ApJS..257...61Y 2021/12 cited: 3 quick access to full text links quick links to lists of references, citations and more quick links to data associated with this article Comprehensive Broadband X-Ray and Multiwavelength Study of Active Galactic Nuclei in 57 Local Luminous and Ultraluminous Infrared Galaxies Observed with NuSTAR and/or Swift/BAT2021

    • Author(s)
      Yamada, S., Ueda, Y. et al.
    • Journal Title

      The Astrophysical Journal Supplement Series

      Volume: 257 Issue: 2 Pages: 61-61

    • DOI

      10.3847/1538-4365/ac17f5

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Optical Spectroscopy of Dual Quasar Candidates from the Subaru HSC-SSP program2021

    • Author(s)
      Tang S.、Silverman J.D.、Ding X.、Li J.、Lee K.-G.、Strauss M.A.、Goulding A.、Schramm M.、Kawinwanichakij L.、Xavier P.J.、Hennawi J.F.、Imanishi M.、Iwasawa K.、Toba Y.、Kayo I.、Oguri M.、Matsuoka Y.、Onoue M.、Jahnke K.、Ichikawa K.、Hartwig T.、Kashikawa N.、Kawaguchi Toshihiro、et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 922 Issue: 1 Pages: 83-83

    • DOI

      10.3847/1538-4357/ac1ff0

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). IV. Rapidly Growing (Super)Massive Black Holes in Extremely Radio-loud Galaxies2021

    • Author(s)
      Ichikawa Kohei、Yamashita Takuji、Toba Yoshiki、Nagao Tohru、Inayoshi Kohei、Charisi Maria、He Wanqiu、Wagner Alexander Y. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 921 Issue: 1 Pages: 51-51

    • DOI

      10.3847/1538-4357/ac1b26

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A fundamental plane in X-ray binary activity of external galaxies2021

    • Author(s)
      Inoue, Y., Yabe, K., Ueda, Y.
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 73 Issue: 5 Pages: 1315-1332

    • DOI

      10.1093/pasj/psab077

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 8 2021MNRAS.506.5935R 2021/10 cited: 3 quick access to full text links quick links to lists of references, citations and more quick links to data associated with this article A hard X-ray view of luminous and ultra-luminous infrared galaxies in GOALS - I. AGN obscuration along the merger sequence2021

    • Author(s)
      Ricci, C., (Ueda, Y.) et al.
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 506 Issue: 4 Pages: 5935-5950

    • DOI

      10.1093/mnras/stab2052

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] BAT AGN Spectroscopic Survey XXVII: scattered X-Ray radiation in obscured active galactic nuclei2021

    • Author(s)
      Gupta K K、Ricci C、Tortosa A、Ueda Y、Kawamuro T、Koss M、Trakhtenbrot B、Oh K、Bauer F E、Ricci F、Privon G C、Zappacosta L、Stern D、Kakkad D、Piconcelli E、Veilleux S、Mushotzky R、Caglar T、Ichikawa K、Elagali A、Powell M C、Urry C M、Harrison F
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 504 Issue: 1 Pages: 428-443

    • DOI

      10.1093/mnras/stab839

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XIII. Large-scale Feedback and Star Formation in a Low-luminosity Quasar at z = 7.07 on the Local Black Hole to Host Mass Relation2021

    • Author(s)
      Izumi T.、Matsuoka Y.、Fujimoto S.、Onoue M.、Strauss M.A.、Umehata H.、Imanishi M.、Kohno K.、Kawaguchi Toshihiro、Kawamuro T.、Baba S.、Nagao T.、Toba Y.、Inayoshi K.、Silverman J.D.、Inoue A.K.、Ikarashi S.、Iwasawa K.、Kashikawa N.、Hashimoto T.、Nakanishi K.、Ueda Y.、Schramm M.、Lee C.-H.、Suh H.
    • Journal Title

      The Astrophysical Journal

      Volume: 914 Issue: 1 Pages: 36-36

    • DOI

      10.3847/1538-4357/abf6dc

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] X-Ray Constraint on the Location of the AGN Torus in the Circinus Galaxy2021

    • Author(s)
      Uematsu, R., Ueda, Y., et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 913 Issue: 1 Pages: 17-17

    • DOI

      10.3847/1538-4357/abf0a2

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] How Does the Polar Dust Affect the Correlation between Dust Covering Factor and Eddington Ratio in Type 1 Quasars Selected from the Sloan Digital Sky Survey Data Release 16?2021

    • Author(s)
      Toba Yoshiki、Ueda Yoshihiro、Gandhi Poshak、Ricci Claudio、Burgarella Denis、Buat Veronique、Nagao Tohru、Oyabu Shinki、Matsuhara Hideo、Hsieh Bau-Ching
    • Journal Title

      The Astrophysical Journal

      Volume: 912 Issue: 2 Pages: 91-105

    • DOI

      10.3847/1538-4357/abe94a

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The eROSITA Final Equatorial-Depth Survey (eFEDS). An X-ray-bright, extremely luminous infrared galaxy at z = 1.872021

    • Author(s)
      Toba Yoshiki、Brusa Marcella、Liu Teng、Buchner Johannes、Terashima Yuichi、Urrutia Tanya、Salvato Mara、Akiyama Masayuki、Arcodia Riccardo、Goulding Andy D.、Higuchi Yuichi、Inoue Kaiki T.、Kawaguchi Toshihiro、Lamer Georg、Merloni Andrea、Nagao Tohru、Ueda Yoshihiro、Nandra Kirpal
    • Journal Title

      Astronomy & Astrophysics

      Volume: 649 Pages: L11-L11

    • DOI

      10.1051/0004-6361/202140317

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Black Hole and Galaxy Coevolution in Moderately Luminous Active Galactic Nuclei at z ~ 1.4 in SXDF2021

    • Author(s)
      Setoguchi Kenta、Ueda Yoshihiro、Toba Yoshiki、Akiyama Masayuki
    • Journal Title

      The Astrophysical Journal

      Volume: 909 Issue: 2 Pages: 188-193

    • DOI

      10.3847/1538-4357/abdf55

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XII. Extended [C ii] Structure (Merger or Outflow) in a z = 6.72 Red Quasar2021

    • Author(s)
      Izumi T., Onoue M., Matsuoka Y., M.A. Strauss, S. Fujimoto, H. Umehata, M. Imanishi, T. Kawamuro, T. Nagao, Y. Toba, K. Kohno, N. Kashikawa, K. Inayoshi, T. Kawaguchi, 他20名
    • Journal Title

      The Astrophysical Journal

      Volume: 908 Issue: 2 Pages: 235-235

    • DOI

      10.3847/1538-4357/abd7ef

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Systematic Study of AGN Clumpy Tori with Broadband X-Ray Spectroscopy: Updated Unified Picture of AGN Structure2021

    • Author(s)
      Ogawa Shoji、Ueda Yoshihiro、Tanimoto Atsushi、Yamada Satoshi
    • Journal Title

      The Astrophysical Journal

      Volume: 906 Issue: 2 Pages: 84-102

    • DOI

      10.3847/1538-4357/abccce

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Faint End of the Quasar Luminosity Function at z ? 5 from the Subaru Hyper Suprime-Cam Survey2020

    • Author(s)
      Niida Mana, Nagao Tohru, Ikeda Hiroyuki, et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 904 Issue: 2 Pages: 89-89

    • DOI

      10.3847/1538-4357/abbe11

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] ALMA twenty-six arcmin2 survey of GOODS-S at one millimeter (ASAGAO): Millimeter properties of stellar mass selected galaxies2020

    • Author(s)
      Yamaguchi Yuki, Kohno Kotaro, Hatsukade Bunyo, Wang Tao, Yoshimura Yuki et al.
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 72 Issue: 4 Pages: 70-70

    • DOI

      10.1093/pasj/psaa057

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Dual Supermassive Black Holes at Close Separation Revealed by the Hyper Suprime-Cam Subaru Strategic Program2020

    • Author(s)
      Silverman J.D., Tang S., Lee K.-G., T. Hartwig, A. Goulding, M.A. Strauss, M. Schramm, X. Ding, R. Riffel, S. Fujimoto, C. Hikage, M. Imanishi, K. Iwasawa, K. Jahnke, I. Kayo, N. Kashikawa, T. Kawaguchi, 他16名
    • Journal Title

      The Astrophysical Journal

      Volume: 899 Issue: 2 Pages: 154-154

    • DOI

      10.3847/1538-4357/aba4a3

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Search for Optically Dark Infrared Galaxies without Counterparts of Subaru Hyper Suprime-Cam in the AKARI North Ecliptic Pole Wide Survey Field2020

    • Author(s)
      Toba Yoshiki、Goto Tomotsugu、Oi Nagisa、Wang Ting-Wen、Kim Seong Jin、et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 899 Issue: 1 Pages: 35-47

    • DOI

      10.3847/1538-4357/ab9cb7

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Nature of Compton-thick Active Galactic Nuclei in “Nonmerging” Luminous Infrared Galaxies UGC 2608 and NGC 5135 Revealed with Broadband X-Ray Spectroscopy2020

    • Author(s)
      Yamada Satoshi、Ueda Yoshihiro、Tanimoto Atsushi、Oda Saeko、Imanishi Masatoshi、Toba Yoshiki、Ricci Claudio
    • Journal Title

      The Astrophysical Journal

      Volume: 897 Issue: 1 Pages: 107-117

    • DOI

      10.3847/1538-4357/ab94b1

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Application of an X-Ray Clumpy Torus Model (XCLUMPY) to 10 Obscured Active Galactic Nuclei Observed with Suzaku and NuSTAR2020

    • Author(s)
      Tanimoto Atsushi、Ueda Yoshihiro、Odaka Hirokazu、Ogawa Shoji、Yamada Satoshi、Kawaguchi Toshihiro、Ichikawa Kohei
    • Journal Title

      The Astrophysical Journal

      Volume: 897 Issue: 1 Pages: 2-2

    • DOI

      10.3847/1538-4357/ab96bc

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Multiwavelength observations of the black hole X-ray binary MAXI J1820+070 in the rebrightening phase2023

    • Author(s)
      Yoshihiro Ueda, Tomohiro Yoshitake et al.
    • Organizer
      10th Microquasar Workshop
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The X-Ray Imaging and Spectroscopy Mission (XRISM)2022

    • Author(s)
      Yoshihiro Ueda and Makoto Tashiro
    • Organizer
      44th COSPAR Scientific Assembly
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Probing Torus Structure with X-Ray Imaging and Spectroscopy Mission (XRISM)2022

    • Author(s)
      Yoshihiro Ueda
    • Organizer
      Torus 2022 Workshop
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] AGN Science with High-resolution X-ray Spectroscopy2021

    • Author(s)
      Ueda, Y.
    • Organizer
      High-resolution X-ray spectroscopy of cosmic plasmas
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] The origin of the cosmic X-ray background2020

    • Author(s)
      Ueda, Y.
    • Organizer
      Connecting high-energy astroparticle physics for origins of cosmic rays and future perspectives
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2020-04-28   Modified: 2024-12-25  

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