Supernovae and their host galaxies – VII. The diversity of Type Ia supernova progenitors

@article{Hakobyan2020SupernovaeAT,
  title={Supernovae and their host galaxies – VII. The diversity of Type Ia supernova progenitors},
  author={Artur A. Hakobyan and L V Barkhudaryan and A G Karapetyan and M. H. Gevorgyan and Gary A Mamon and Daniel Kunth and Vardan Adibekyan and Massimo Turatto},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2020}
}
We present an analysis of the light curve (LC) decline rates (Δm15) of 407 normal and peculiar supernovae (SNe) Ia and global parameters of their host galaxies. As previously known, there is a significant correlation between the Δm15 of normal SNe Ia and global ages (morphologies, colours, and masses) of their hosts. On average, those normal SNe Ia that are in galaxies from the Red Sequence (early-type, massive, old hosts) have faster declining LCs in comparison with those from the Blue Cloud… Expand
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