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Formation and Evolution of Dust in Type IIb Supernova with Application to the Cassiopeia A Supernova Remnant
Takaya Nozawa, Takashi Kozasa, Nozomu Tominaga +4
We investigate the formation of dust grains in the ejecta of a SN IIb and their evolution in the shocked gas in the SNR by considering the uniform and power-law density structures…
First Stars -- Type Ib Supernovae Connection
Keni'chi Nomoto, Masaomi Tanaka, Yasuomi Kamiya +2
The very peculiar abundance patterns observed in extremely metal-poor (EMP) stars can not be explained by ordinary supernova nucleosynthesis but can be well-reproduced by nucleosyn…
Dust in Supernovae; Formation and Evolution
Takashi Kozasa, Takaya Nozawa, Nozomu Tominaga +3
Core--collapsed supernovae (CCSNe) have been considered to be one of sources of dust in the universe. What kind and how much mass of dust are formed in the ejecta and are injected…
Nucleosynthesis of 56Ni in wind-driven Supernova Explosions and Constraints on the Central Engine of Gamma-Ray Bursts
Keiichi Maeda, Nozomu Tominaga
Theoretically expected natures of a supernova driven by a wind/jet are discussed. Approximate analytical formulations are derived to clarify basic physical processes involved in th…
Chemical Yields from Supernovae and Hypernovae
Ken'ichi Nomoto, Shinya Wanajo, Yasuomi Kamiya +2
We review the final stages of stellar evolution, supernova properties, and chemical yields as a function of the progenitor's mass M. (1) 8 - 10 Ms stars are super-AGB stars when th…