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A spectroscopically confirmed, strongly lensed, metal-poor Type II supernova at z = 5.13
David A. Coulter, Conor Larison, Justin D. R. Pierel +88
Observing supernovae (SNe) in the early Universe (z > 3) provides a window into how both galaxies and individual stars have evolved over cosmic time, yet a detailed study of high-r…
Constraint on the event rate of general relativistic instability supernovae from the early JWST deep field data
Takashi J. Moriya, Yuichi Harikane, Akio K. Inoue
General relativistic instability supernovae at ~10 < z < ~15 are predicted to be observed as red faint point sources, and they can be detected only in the reddest filters in JWST/N…
Roman CCS White Paper: Identifying high-redshift pair-instability supernovae by adding sparse F213 filter observations
Takashi Moriya, Ori D. Fox, Robert Quimby +22
Pair-instability supernovae (PISNe) are explosions of very massive stars that may have played a critical role in the chemical evolution and reionization of the early Universe. In o…
Long gamma-ray burst rate at very high redshift
Tomoya Kinugawa, Yuichi Harikane, Katsuaki Asano
Future missions for long gammma-ray burst (GRB) observations at high redshift such as HiZ-GUNDAM and THESEUS will provide clue to the star formation history in our universe. In thi…