Ryosuke Hirai's Homepage

Leading-Author papers

1. "Simulating the formation of η Carinae's surrounding nebula through unstable triple evolution and stellar merger-induced eruption"
   Ryosuke Hirai, Philipp Podsiadlowski, Stanley P. Owocki, Fabian R. N. Schneider, Nathan Smith
   accepted for publication in MNRAS
   arXiv:2011.12434
2. "Formation pathway for lonely stripped-envelope supernova progenitors: implications for Cassiopeia A"
   Ryosuke Hirai, Toshiki Sato, Philipp Podsiadlowski, Alejandro Vigna-Gomez, Ilya Mandel
   Monthly Notices of the Royal Astronomical Society, Volume 499, Issue 1, pp.1154-1171 (2020)
   arXiv:2008.05076
3. "Comprehensive study of ejecta-companion interaction for core-collapse supernovae in massive binaries"
   Ryosuke Hirai, Philipp Podsiadlowski, Shoichi Yamada
   The Astrophysical Journal, Volume 864, Issue 2, article id. 119, 17pp. (2018)
   arXiv:1803.10808
4. "The Origin of the Possible Massive Black Hole in the Progenitor System of iPTF13bvn"
   Ryosuke Hirai
   Monthly Notices of the Royal Astronomical Society: Letters, Volume 469, Issue 1, p.L94-L98 (2017)
   arXiv:1704.07663
5. "Formation of the Progenitor of iPTF13bvn Revisited"
   Ryosuke Hirai
   Monthly Notices of the Royal Astronomical Society, Volume 466, Issue 4, p.3775-3783 (2017)
   arXiv:1612.05666
6. "Hyperbolic Self-Gravity Solver for Large Scale Hydrodynamical Simulations"
   Ryosuke Hirai, Hiroki Nagakura, Hirotada Okawa, Kotaro Fujisawa
   Physical Review D, Volume 93, Issue 8, id.083006 (2016)
   arXiv:1602.05700
   Note: One of the figures were featured in the Physical Review D "Kaleidoscope"!
7. "Possible Signatures of Ejecta-Companion Interaction in iPTF 13bvn"
   Ryosuke Hirai, Shoichi Yamada
   The Astrophysical Journal, Volume 805, Issue 2, article id. 170, 7 pp. (2015)
   arXiv:1504.01845
8. "The Outcome of Supernovae in Massive Binaries; Removed Mass, and its Separation Dependence"
   Ryosuke Hirai, Hidetomo Sawai, Shoichi Yamada
   The Astrophysical Journal, Volume 792, Issue 1, article id. 66, 15 pp. (2014)
   arXiv:1404.4297

Co-Author papers

1. "The observability of inflated companion stars after supernovae in massive binaries"
   Misa Ogata, Ryosuke Hirai, Kotaro Hijikawa
   submitted to MNRAS
   arXiv:2103.10111
2. "Wind mass-loss rates of stripped stars inferred from Cygnus X-1"
   Coenraad J. Neijssel, Serena Vinciguerra, Alejandro Vigna-Gomez, Ryosuke Hirai, James C. A. Miller-Jones, Arash Bahramian, Thomas J. Maccarone, Ilya Mandel
   The Astrophysical Journal, Volume 908, Issue 2, id.118 (2021)
   arXiv:2102.09092
3. "Neutron Star Extreme Matter Observatory: A kilohertz-band gravitational-wave detector in the global network"
   K. Ackley et al. (including R. Hirai)
   Publications of the Astronomical Society of Australia, Volume 37, article id. e047 (2020)
   arXiv:2007.03128
4. "The sensitivity of presupernova neutrinos to stellar evolution models"
   Chinami Kato, Ryosuke Hirai, Hiroki Nagakura
   Monthly Notices of the Royal Astronomical Society, Volume 496, Issue 3, pp.3961-3972 (2020)
   arXiv:2005.03124
5. "A Sub-Solar Metallicity Progenitor for Cassiopeia A, the remnant of a Type IIb Supernova"
   Toshiki Sato, Takashi Yoshida, Shigehiro Nagataki, Masaomi Ono, Keiichi Maeda, Ryosuke Hirai, John P. Hughes, Brian J. Williams, Yoshitomo Maeda
   The Astrophysical Journal, Volume 893, Issue 1, id.49 (2020)
   arXiv:2003.08922
6. "Origins of Type Ibn SNe 2006jc/2015G in interacting binaries and implications for pre-SN eruptions"
   Ning-Chen Sun, Jusytn R. Maund, Ryosuke Hirai, Paul A. Crowther, Philipp Podsiadlowski
   Monthly Notices of the Royal Astronomical Society, Volume 491, Issue 4, p.6000-6019 (2020)
   arXiv:1909.07999
7. "Hydrodynamical simulations and similarity relations for eruptive mass loss from massive stars"
   Stanley P. Owocki, Ryosuke Hirai, Philipp Podsiadlowski, Fabian R. N. Schneider
   Monthly Notices of the Royal Astronomical Society, Volume 485, Issue 1, p.988-1000 (2019)
   arXiv:1902.06220
8. "The W4 method: a new multi-dimensional root-finding scheme for nonlinear systems of equations"
   Hirotada Okawa, Kotaro Fujisawa, Yu Yamamoto, Ryosuke Hirai, Nobutoshi Yasutake, Hiroki Nagakura, Shoichi Yamada
   submitted
   arXiv:1809.04495
9. "Formation pathway of Population III coalescing binary black holes through stable mass transfer"
   Kohei Inayoshi, Ryosuke Hirai, Tomoya Kinugawa, Kenta Hotokezaka
   Monthly Notices of the Royal Astronomical Society, Volume 468, Issue 4, p.5020-5032 (2017)
   arXiv:1701.04823

Japanese articles

1. "水素欠乏超新星の親星の起源"
   平井 遼介
   The Astronomical Herald, Volume 111, Issue 9, p.580-588 (2018)
   Note: One of the figures were also used for the cover!