Ryosuke Hirai's Homepage
Leading-Author papers
"A two-stage formalism for common-envelope phases of massive stars"
Ryosuke Hirai , Ilya Mandel
The Astrophysical Journal Letters, Volume 937, Issue 2, id.L42, 7 pp. (2022)
arXiv:2209.05328
"Neutron stars colliding with binary companions: formation of hypervelocity stars, pulsar planets, bumpy superluminous supernovae and Thorne-Żytkow objects"
Ryosuke Hirai , Philipp Podsiadlowski
Monthly Notices of the Royal Astronomical Society, Volume 517, Issue 3, pp.4544-4556 (2022)
arXiv:2208.00915
"Conditions for accretion disc formation and observability of wind-accreting X-ray binaries"
Ryosuke Hirai , Ilya Mandel
Publications of the Astronomical Society of Australia, Volume 38, article id. e056 (2021)
arXiv:2108.03774
"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
Monthly Notices of the Royal Astronomical Society, Volume 503, Issue 3, pp.4276-4296 (2021)
arXiv:2011.12434
"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
"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
"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
"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
"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" !
"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
"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
"The Galactic underworld: The spatial distribution of compact remnants"
David Sweeney, Peter Tuthill, Sanjib Sharma, Ryosuke Hirai
Monthly Notices of the Royal Astronomical Society, Volume 516, Issue 4, pp.4971-4979 (2022)
arXiv:2210.04241
"Common envelopes in massive stars II: The distinct roles of hydrogen and helium recombination"
Mike Y. M. Lau, Ryosuke Hirai , Daniel J. Price, Ilya Mandel
Monthly Notices of the Royal Astronomical Society, Volume 516, Issue 4, pp.4669-4678 (2022)
arXiv:2206.06411
"Common envelope binary interaction simulations between a thermally-pulsating AGB star and a low mass companion"
Miguel González-Bolívar, Orsola De Marco, Mike Y. M. Lau, Ryosuke Hirai , Daniel J. Price
Monthly Notices of the Royal Astronomical Society, Volume 517, Issue 3, pp.3181-3199 (2022)
arXiv:2205.09749
"An environment analysis of the Type Ib SN 2019yvr and the possible presence of an inflated binary companion"
Ning-Chen Sun, Justyn R. Maund, Paul A. Crowther, Ryosuke Hirai , Amir Kashapov, Ji-Feng Liu, Liang-Duan Liu, Emmanouil Zapartas
Monthly Notices of the Royal Astronomical Society, Volume 510, Issue 3, pp.3701-3715 (2022)
arXiv:2111.06471
"Common envelopes in massive stars: Towards the role of radiation pressure and recombination energy in ejecting red supergiant envelopes"
Mike Y. M. Lau, Ryosuke Hirai , Miguel González-Bolívar, Daniel J. Price, Orsola De Marco, Ilya Mandel
Monthly Notices of the Royal Astronomical Society, Volume 512, Issue 4, pp.5462-5480 (2022)
arXiv:2109.10352
"Rapid stellar and binary population synthesis with COMPAS"
Team COMPAS (including R. Hirai )
The Astrophysical Journal Supplement Series, Volume 258, Issue 2, id.34, 30 pp. (2022)
arXiv:2109.10352
"COMPAS: A rapid binary population synthesis suite"
Team COMPAS (including R. Hirai )
Journal of Open Source Software, vol. 7, issue 69, id. 3838 (2022)
"Stellar core-merger-induced collapse: new formation pathways for black holes, Thorne-Żytkow objects, magnetars, and superluminous supernovae"
Iminhaji Ablimit, Philipp Podsiadlowski, Ryosuke Hirai , James Wicker
Monthly Notices of the Royal Astronomical Society, Volume 513, Issue 4, pp.4802-4813 (2022)
arXiv:2108.08430
"Supernova explosions in active galactic nuclei discs"
Evgeni Grishin, Alexey Bobrick, Ryosuke Hirai , Ilya Mandel, Hagai B. Perets
Monthly Notices of the Royal Astronomical Society, Volume 507, Issue 1, pp.156-174 (2021)
arXiv:2105.09953
"The observability of inflated companion stars after supernovae in massive binaries"
Misa Ogata, Ryosuke Hirai , Kotaro Hijikawa
Monthly Notices of the Royal Astronomical Society, Volume 505, Issue 2, pp.2485-2499 (2021)
arXiv:2103.10111
"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
"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
"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
"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
"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
"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
"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
Applied Numerical Mathematics, Volume 183, p.157-172 (2023)
arXiv:1809.04495
"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
Other articles
"Science Cases for the Keck Wide-Field Imager"
J. Cooke et al. (including R. Hirai )
arXiv:2207.11698
"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!