Ryosuke Hirai's Homepage
- "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
- "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)
- "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)
- "The Origin of the Possible Massive Black Hole in the Progenitor System of iPTF13bvn"
Monthly Notices of the Royal Astronomical Society: Letters, Volume 469, Issue 1, p.L94-L98 (2017)
- "Formation of the Progenitor of iPTF13bvn Revisited"
Monthly Notices of the Royal Astronomical Society, Volume 466, Issue 4, p.3775-3783 (2017)
- "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)
Note: One of the figures were featured in the Physical Review D "Kaleidoscope"!
- "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)
- "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)
- "The observability of inflated companion stars after supernovae in massive binaries"
Misa Ogata, Ryosuke Hirai, Kotaro Hijikawa
submitted to MNRAS
- "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)
- "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)
- "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)
- "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)
- "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)
- "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)
- "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
- "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)
The Astronomical Herald, Volume 111, Issue 9, p.580-588 (2018)
Note: One of the figures were also used for the cover!