Type II supernovae from 8-10 M asymptotic giant branch stars

Masaaki Hashimoto, Kohichi Iwamoto, Ken'ichi Nomoto

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)


The final evolution of 8-10 M stars in the AGB phase is recalculated to clarify whether these stars undergo collapse or thermonuclear explosion. New electron capture rates based on the shell model wave functions are employed for the evolution of the degenerate O + Ne + Mg core. It is found that the difference between the old and new rates are too small to alter the earlier conclusion that the O + Ne + Mg core collapses. The optical appearance of the resultant supernova explosion of AGB stars are discussed for observational diagnostics. In particular, a possible connection of the AGB star model with SN 1993J is examined.

Original languageEnglish
Pages (from-to)L105-L108
JournalAstrophysical Journal
Issue number2 PART 2
Publication statusPublished - Sept 10 1993

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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