二重中性子星近接連星を形成する超新星の解明

2023 Fiscal Year Annual Research Report

• Project/Area Number: 21K13966
• Research Institution: National Astronomical Observatory of Japan
• Principal Investigator: 守屋 尭 国立天文台, 科学研究部, 助教 (90779547)
• Project Period (FY): 2021-04-01 – 2024-03-31
• Keywords: 超新星爆発

Outline of Annual Research Achievements

本研究は重力波で観測され始めている中性子星合体に至る二重中性子星近接連星を形成すると考えられているウルトラ-ストリップト超新星（ultra-stripped超新星、外層がほとんど剥がされた状態で爆発する超新星）と、ウルトラ-ストリップト超新星とよく似た観測的性質を持つと予測された白色矮星の表層爆発による超新星を区別する方法を確立し、特にウルトラ-ストリップト超新星に特有の観測的性質を明らかにすることで、ウルトラ-ストリップト超新星を同定することが目的である。本研究では、ウルトラ-ストリップト超新星の親星が爆発の直前の数十日間に親星表面付近での燃焼殻での強い核燃焼により大規模な質量放出を行うことがあることに着目した。このような爆発直前の核燃焼による大規模な質量放出は白色矮星からの超新星では起こるとは考えられないため、この大規模な質量放出の結果形成される星周物質が超新星に与える影響を明らかにすることでウルトラ-ストリップト超新星の区別が可能であることを明らかにした。特に最終年度には実際に強い核燃焼の結果形成される星周物質の性質をウルトラ-ストリップト超新星の親星モデルに基づいて推定し、その星周物質中でウルトラ-ストリップト超新星が発生した場合の観測的特徴を数値的に求めた。この結果、星周物質の影響により光度曲線の時間発展が非常に早くなることあることが明らかになった。このような星周物質の影響により光度曲線の発展が早くなる超新星はIbn型超新星やIcn型超新星として知られており、白色矮星の表面爆発では説明の難しいIbn型超新星やIcn型超新星の起源としてウルトラ-ストリップト超新星が考えられることを明らかにした。

Research Products

• [Int'l Joint Research] Institute of Space Sciences(スペイン)
  • Country Name: SPAIN
  • Counterpart Institution: Institute of Space Sciences
• [Int'l Joint Research] Stockholm University(スウェーデン)
  • Country Name: SWEDEN
  • Counterpart Institution: Stockholm University
• [Int'l Joint Research] University of Chile(チリ)
  • Country Name: CHILE
  • Counterpart Institution: University of Chile
• [Int'l Joint Research] Purdue University/California Institute of Technology/Pennsylvania State University(米国)
  • Country Name: U.S.A.
  • Counterpart Institution: Purdue University/California Institute of Technology/Pennsylvania State University
• [Int'l Joint Research] Liverpool John Moores University(英国)
  • Country Name: UNITED KINGDOM
  • Counterpart Institution: Liverpool John Moores University
• [Journal Article] EMPRESS. XIII. Chemical Enrichment of Young Galaxies Near and Far at z ~ 0 and 4-10: Fe/O, Ar/O, S/O, and N/O Measurements with a Comparison of Chemical Evolution Models (2024)
  • Author(s): Watanabe Kuria、Ouchi Masami、Nakajima Kimihiko、Isobe Yuki、Tominaga Nozomu、Suzuki Akihiro、Ishigaki Miho N.、Nomoto Ken’ichi、Takahashi Koh、Harikane Yuichi、Hatano Shun、Kusakabe Haruka、Moriya Takashi J.、Nishigaki Moka、Ono Yoshiaki、Onodera Masato、Sugahara Yuma
  • Journal Title: The Astrophysical Journal Volume: 962 Pages: 50～50
  • DOI: 10.3847/1538-4357/ad13ff
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Intermediate-luminosity Type IIP SN 2021gmj: a low-energy explosion with signatures of circumstellar material (2024)
  • Author(s): Murai Yuta、Tanaka Masaomi、Kawabata Miho、Taguchi Kenta、Teja Rishabh Singh、Nakaoka Tatsuya、Maeda Keiichi、Kawabata Koji S、Nagao Takashi、Moriya Takashi J、他
  • Journal Title: Monthly Notices of the Royal Astronomical Society Volume: 528 Pages: 4209～4227
  • DOI: 10.1093/mnras/stae170
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Enabling kilonova science with Nancy Grace Roman Space Telescope (2024)
  • Author(s): Andreoni Igor、Coughlin Michael W.、Criswell Alexander W.、Bulla Mattia、Toivonen Andrew、Singer Leo P.、Palmese Antonella、Burns E.、Gezari Suvi、Kasliwal Mansi M.、Kiendrebeogo R. Weizmann、Mahabal Ashish、Moriya Takashi J.、Rest Armin、Scolnic Dan、Simcoe Robert A.、Soon Jamie、Stein Robert、Travouillon Tony
  • Journal Title: Astroparticle Physics Volume: 155 Pages: 102904～102904
  • DOI: 10.1016/j.astropartphys.2023.102904
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] EMPRESS. XII. Statistics on the Dynamics and Gas Mass Fraction of Extremely Metal-poor Galaxies (2024)
  • Author(s): Xu Y.、Ouchi M.、Isobe Y.、Nakajima K.、...、Moriya T.J.、他
  • Journal Title: The Astrophysical Journal Volume: 961 Pages: 49～49
  • DOI: 10.3847/1538-4357/ad06ab
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Constraint on the event rate of general relativistic instability supernovae from the early JWST deep field data (2023)
  • Author(s): Moriya Takashi J、Harikane Yuichi、Inoue Akio K
  • Journal Title: Monthly Notices of the Royal Astronomical Society Volume: 526 Pages: 2400～2402
  • DOI: 10.1093/mnras/stad2908
  • Peer Reviewed / Open Access
• [Journal Article] On the nature of slowly rising interaction-powered supernovae (2023)
  • Author(s): Moriya Takashi J
  • Journal Title: Monthly Notices of the Royal Astronomical Society Volume: 524 Pages: 5309～5313
  • DOI: 10.1093/mnras/stad2197
  • Peer Reviewed / Open Access
• [Journal Article] Bridging between Type IIb and Ib Supernovae: SN IIb 2022crv with a Very Thin Hydrogen Envelope (2023)
  • Author(s): Gangopadhyay A.、Maeda K.、Singh A.、A. J. Nayana、Nakaoka T.、Kawabata K.S.、Taguchi K.、Singh M.、Chandra P.、Ryder S.D.、Dastidar R.、Yamanaka M.、Kawabata M.、Alsaberi Rami Z.E.、Dukiya N.、Teja R.S.、Ailawadhi B.、Dutta A.、Sahu D.K.、Moriya T.J.、他
  • Journal Title: The Astrophysical Journal Volume: 957 Pages: 100～100
  • DOI: 10.3847/1538-4357/acfa94
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Unprecedented Early Flux Excess in the Hybrid 02es-like Type Ia Supernova 2022ywc Indicates Interaction with Circumstellar Material (2023)
  • Author(s): Srivastav Shubham、Moore T.、Nicholl M.、Magee M. R.、Smartt S. J.、Fulton M. D.、Sim S. A.、Pollin J. M.、Galbany L.、Inserra C.、Kozyreva A.、Moriya Takashi J.、Callan F. P.、Sheng X.、Smith K. W.、Sommer J. S.、Anderson J. P.、Deckers M.、Gromadzki M.、Muller-Bravo T. E.、Pignata G.、Rest A.、Young D. R.
  • Journal Title: The Astrophysical Journal Letters Volume: 956 Pages: L34～L34
  • DOI: 10.3847/2041-8213/acffaf
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Environmental dependence of Type IIn supernova properties (2023)
  • Author(s): Moriya Takashi J.、Galbany Lluis、Jimenez-Palau Cristina、Anderson Joseph P.、Kuncarayakti Hanindyo、Sanchez Sebastian F.、Lyman Joseph D.、Pessi Thallis、Prieto Jose L.、Kochanek Christopher S.、Dong Subo、Chen Ping
  • Journal Title: Astronomy & Astrophysics Volume: 677 Pages: A20～A20
  • DOI: 10.1051/0004-6361/202346703
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Radiative Acceleration of Dense Circumstellar Material in Interacting Supernovae (2023)
  • Author(s): Tsuna Daichi、Murase Kohta、Moriya Takashi J.
  • Journal Title: The Astrophysical Journal Volume: 952 Pages: 115～115
  • DOI: 10.3847/1538-4357/acdb71
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Early excess emission in Type Ia supernovae from the interaction between supernova ejecta and their circumstellar wind (2023)
  • Author(s): Moriya Takashi J、Mazzali Paolo A、Ashall Chris、Pian Elena
  • Journal Title: Monthly Notices of the Royal Astronomical Society Volume: 522 Pages: 6035～6042
  • DOI: 10.1093/mnras/stad1386
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] EMPRESS. IX. Extremely Metal-poor Galaxies are Very Gas-rich Dispersion-dominated Systems: Will the James Webb Space Telescope Witness Gaseous Turbulent High-z Primordial Galaxies? (2023)
  • Author(s): Isobe Y.、Ouchi M.、Nakajima K.、Ozaki S.、...、Moriya T.J.、他
  • Journal Title: The Astrophysical Journal Volume: 951 Pages: 102～102
  • DOI: 10.3847/1538-4357/accc87
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Synthetic red supergiant explosion model grid for systematic characterization of Type II supernovae (2023)
  • Author(s): Moriya Takashi J、Subrayan Bhagya M、Milisavljevic Dan、Blinnikov Sergei I
  • Journal Title: Publications of the Astronomical Society of Japan Volume: 75 Pages: 634～645
  • DOI: 10.1093/pasj/psad024
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] A radio-detected type Ia supernova with helium-rich circumstellar material (2023)
  • Author(s): Kool Erik C.、Johansson Joel、Sollerman Jesper、Moldon Javier、Moriya Takashi J.、他
  • Journal Title: Nature Volume: 617 Pages: 477～482
  • DOI: 10.1038/s41586-023-05916-w
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Presentation] Synthetic light-curve model grid for systematic characterization of Type II supernovae in the era of Rubin/LSST (2024)
  • Author(s): Moriya Takashi
  • Organizer: Transients Down Under
  • Int'l Joint Research
• [Presentation] 超新星爆発の多様性とその起源 (2024)
  • Author(s): 守屋尭
  • Organizer: 2023年度連星系・変光星研究会
  • Invited
• [Presentation] Optical light-curve modeling of Type II supernovae and SN 2023ixf (2023)
  • Author(s): Moriya Takashi
  • Organizer: 12TH PACIFIC RIM CONFERENCE ON STELLAR ASTROPHYSICS
  • Int'l Joint Research / Invited
• [Presentation] Diversity of interaction-powered supernovae (2023)
  • Author(s): Moriya Takashi
  • Organizer: Israel/Japan Transient Theory Workshop
  • Int'l Joint Research / Invited
• [Presentation] IIn型超新星の性質の環境依存性 (2023)
  • Author(s): 守屋 尭, L. Galbany, C. Jimenez-Palau, J.P. Anderson, H. Kuncarayakti, S.F. Sanchez, J.D. Lyman, T. Pessi, J.L. Prieto, C.S. Kochanek, S. Dong, P. Chen
  • Organizer: 日本天文学会2023年秋季年会