Astrophysical: Type II supernovae

  • Publication
    Evidence for Evolved Stellar Binary Mergers in Observed B-type Blue Supergiants
    Blue supergiants are the brightest stars in their host galaxies, and yet their evolutionary status has been a long-standing problem in stellar astrophysics. In...
  • Publication
    SN 2022acko: The First Early Far-ultraviolet Spectra of a Type IIP Supernova
    We present five far- and near-ultraviolet spectra of the Type II plateau supernova, SN 2022acko, obtained 5, 6, 7, 19, and 21 days after explosion, all observed...