H
Hideyuki Umeda
Researcher at University of Tokyo
Publications - 223
Citations - 16386
Hideyuki Umeda is an academic researcher from University of Tokyo. The author has contributed to research in topics: Supernova & Stars. The author has an hindex of 52, co-authored 212 publications receiving 15054 citations.
Papers
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Journal ArticleDOI
Three-dimensional Hydrodynamics Simulations of Precollapse Shell Burning in the Si- and O-rich Layers
TL;DR: In this paper, the authors present 3D hydrodynamics simulations of shell-burning in two progenitors with zero-age main sequence masses of 22 and 27 $M_{\odot}$ for up to 200 s up to the onset of gravitational collapse.
Book ChapterDOI
Hypernova Nucleosynthesis and Galactic Chemical Evolution
TL;DR: In this article, the authors studied nucleosynthesis in hypernovae, i.e., supernovae with very large explosion energies (≳ 1052 ergs) for both spherical and aspherical explosions.
Journal ArticleDOI
On the population III binary black hole mergers beyond the pair-instability mass gap
Kotaro Hijikawa,Ataru Tanikawa,Tomoya Kinugawa,Takashi Yoshida,Takashi Yoshida,Hideyuki Umeda +5 more
TL;DR: In this article, the authors performed a binary population synthesis calculation incorporating very massive population (Pop.) III stars up to 1500 $M_\odot$ and investigated the nature of binary black hole (BBH) mergers.
Journal ArticleDOI
A Sub-Solar Metallicity Progenitor for Cassiopeia A, the remnant of a Type IIb Supernova
Toshiki Sato,Takashi Yoshida,Hideyuki Umeda,Shigehiro Nagataki,Masaomi Ono,Keiichi Maeda,Ryosuke Hirai,John P. Hughes,Brian J. Williams,Yoshitomo Maeda +9 more
TL;DR: The first detection of the Mn-K$\alpha$ line in the Type IIb supernova (SN IIb) remnant, Cassiopeia A, was reported in this paper.
Journal ArticleDOI
Nucleosynthesis in hypernovae and extremely metal-poor stars
TL;DR: In this article, the abundance pattern of HE0107-5240 and other extremely metal-poor (EMP) stars are in good accord with those of supernovae which originate from ∼ 20 −130 M ⊙ stars and form ∼ 3 −10 M ⌉ black holes.