Zobrazeno 1 - 10
of 471
pro vyhledávání: '"Ito Hirotaka"'
Autor:
Ito, Hirotaka, Matsumoto, Jin, Nagataki, Shigehiro, Warren, Donald C., Barkov, Maxim V., Yonetoku, Daisuke
We explore the properties of photospheric emission in the context of long gamma-ray bursts (LGRBs) using three numerical models that combine relativistic hydrodynamical simulations and Monte Carlo radiation transfer calculations in three dimensions.
Externí odkaz:
http://arxiv.org/abs/2307.10023
Autor:
Parsotan, Tyler, Ito, Hirotaka
The prompt emission of Gamma Ray Bursts (GRBs) is still an outstanding question in the study of these cataclysmic events. Part of what makes GRBs difficult to study is how unique each event seems to be. However, aggregating many GRB observations and
Externí odkaz:
http://arxiv.org/abs/2204.09729
Autor:
Warren, Donald C., Dainotti, Maria, Barkov, Maxim V., Ahlgren, Bjorn, Ito, Hirotaka, Nagataki, Shigehiro
We extend previous work on gamma-ray burst (GRB) afterglows involving hot thermal electrons at the base of a shock-accelerated tail. Using a physically-motivated electron distribution based on first-principles simulations, we compute broadband emissi
Externí odkaz:
http://arxiv.org/abs/2109.07687
We present the first global model of prompt emission from a short gamma-ray burst that consistently describes the evolution of the central black-hole (BH) torus system, the propagation of the jet through multi-component merger ejecta, the transition
Externí odkaz:
http://arxiv.org/abs/2105.09323
Monte-Carlo simulations of fast Newtonian and mildly relativistic shock breakout from a stellar wind
Strong explosion of a compact star surrounded by a thick stellar wind drives a fast ($>0.1c$) radiation mediated shock (RMS) that propagates in the wind, and ultimately breaks out gradually once photons start escaping from the shock transition layer.
Externí odkaz:
http://arxiv.org/abs/2006.14250
Autor:
Yamada, Shigeki, Ito, Hirotaka, Tanikawa, Motoki, Ii, Satoshi, Otani, Tomohiro, Wada, Shigeo, Oshima, Marie, Watanabe, Yoshiyuki, Mase, Mitsuhito
Publikováno v:
In World Neurosurgery October 2023 178:351-358
Publikováno v:
In Molecular Therapy - Oncolytics 21 September 2023 30:72-85
Radiation mediated shocks (RMS) play a key role in shaping the early emission observed in many transients. In most cases, e.g., shock breakout in supernovae, llGRBs and neutron star mergers, the upstream plasma is devoid of radiation, and the photons
Externí odkaz:
http://arxiv.org/abs/1910.08431
Autor:
Yamada, Shigeki, Ito, Hirotaka, Matsumasa, Hironori, Tanikawa, Motoki, Ii, Satoshi, Otani, Tomohiro, Wada, Shigeo, Oshima, Marie, Watanabe, Yoshiyuki, Mase, Mitsuhito
Publikováno v:
In World Neurosurgery August 2023 176:e427-e437
Akademický článek
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