publication . Article . Other literature type . Preprint . 2019

SN1991bg-like supernovae are associated with old stellar populations

Panther, Fiona H.; Seitenzahl, Ivo R.; Ruiter, Ashley J.; Crocker, Roland M.; Lidman, Chris; Wang, Ella Xi; Tucker, Brad E.; Groves, Brent;
Open Access
  • Published: 13 Aug 2019 Journal: Publications of the Astronomical Society of Australia, volume 36 (issn: 1323-3580, eissn: 1448-6083, Copyright policy)
  • Publisher: Cambridge University Press (CUP)
Abstract
SN1991bg-like supernovae are a distinct subclass of thermonuclear supernovae (SNe Ia). Their spectral and photometric peculiarities indicate their progenitors and explosion mechanism differ from `normal' SNe Ia. One method of determining information about supernova progenitors we cannot directly observe is to observe the stellar population adjacent to the apparent supernova explosion site to infer the distribution of stellar population ages and metallicities. We obtain integral field observations and analyse the spectra extracted from regions of projected radius $\sim\,\mathrm{kpc}$ about the apparent SN explosion site for 11 91bg-like SNe in both early- and lat...
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Galaxy AstrophysicsAstrophysics::Solar and Stellar AstrophysicsAstrophysics::High Energy Astrophysical PhenomenaAstrophysics::Earth and Planetary Astrophysics
free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Physics, Astronomy, Astrophysics, Supernova, Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics
Funded by
ARC| Future Fellowships - Grant ID: FT170100243
Project
  • Funder: Australian Research Council (ARC) (ARC)
  • Project Code: FT170100243
  • Funding stream: Future Fellowships
,
ARC| Future Fellowships - Grant ID: FT140101202
Project
  • Funder: Australian Research Council (ARC) (ARC)
  • Project Code: FT140101202
  • Funding stream: Future Fellowships
,
ARC| Future Fellowships - Grant ID: FT160100028
Project
  • Funder: Australian Research Council (ARC) (ARC)
  • Project Code: FT160100028
  • Funding stream: Future Fellowships
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publication . Article . Other literature type . Preprint . 2019

SN1991bg-like supernovae are associated with old stellar populations

Panther, Fiona H.; Seitenzahl, Ivo R.; Ruiter, Ashley J.; Crocker, Roland M.; Lidman, Chris; Wang, Ella Xi; Tucker, Brad E.; Groves, Brent;