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Systematic radiation-hydrodynamic simulations of transients powered by circum-stellar interaction

A class of core-collapse supernovae known as type IIn or Ibn supernovae is thought to be interacting with the dense gas...
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A prediction of neutrino oscillations in electron capture supernovae

Neutrinos change their quantum numbers “flavors” during their propagation. Such quantum phenomena are known as neutrino...
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Radiation-hydrodynamic simulations of supernova ejecta interacting with circumstellar media

Among final explosions of massive stars(core-collapse supernovae), some objects show the evidence of the interaction wi...
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Researchers Discover Asteroidal Ice Fossils in Primitive Meteorite

A research team led by a Tohoku University geoscientist has discovered evidence of asteroidal ice within a meteorite. P...
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De-noising cosmic mass density maps with deep learning

Gravitational lensing is a relativistic effect that causes characteristic distortion of the images of distant astrophys...
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Central engine model for bright supernovae

Core-collapse supernovae (SNe) sometimes show extreme brightness (superluminous SNe: ~10-100 times brighter than normal...
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A Successful Simulation of 3D Turbulence in O-shell Burning in Core-Collapse Phase of a Massive Star

Dr. Takashi Yoshida (University of Tokyo), Dr. Tomoya Takiwaki (Division of Science) and their colleagues have been suc...
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Asteroseismology of proto neutron star suggests linkage of gravitational wave and f-mode oscillation

Core-collapse supernovae are target of multi-messenger astronomy. The neutrinos and gravitational waves are emitted at ...
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A strange supernova discovery by Subaru/Hyper Suprime-Cam

A paper on a strange supernova by Dr. Takashi Moriya was picked up by phys.org.An unusual supernova HSC16aayt (SN 2016j...
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Pinpointing the Formation Site of Planet around Nearest Young Star with ALMA

Takashi Tsukagoshi and his collaborators used ALMA and found a small dust concentration in the disk around TW Hydrae, t...
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