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- W2013442194 endingPage "2252" @default.
- W2013442194 startingPage "2230" @default.
- W2013442194 abstract "This paper presents one of the first environmental analyses of the locations of the class of `interacting transients', namely type IIn supernovae and supernova Impostors. We discuss the association of these transients with star formation, host galaxy type, metallicity, and the locations of each event within the respective host. Given the frequent assumption of very high mass progenitors for these explosions from various studies, most notably a direct progenitor detection, it is interesting to note the weak association of these subtypes with star formation as traced by H{alpha} emission, particularly in comparison with type Ic supernovae, which trace the H{alpha} emission and are thought to arise from high mass progenitors. The radial distributions of these transients compared to type Ic supernovae are also very different. This provides evidence for the growing hypothesis that these `interacting transients' are in fact comprised of a variety of progenitor systems. The events contained within this sample are discussed in detail, where information in the literature exists, and compared to the environmental data provided. Impostors are found to split into two main classes, in terms of environment: SN2008S-like Impostors fall on regions of zero H{alpha} emission, whereas {eta}-Carina-like Impostors all fall on regions with positive H{alpha} emission. We also find indications that the Impostor class originate from lower metallicity environments than type IIn, Ic and IIP SNe." @default.
- W2013442194 created "2016-06-24" @default.
- W2013442194 creator A5001235890 @default.
- W2013442194 creator A5004789141 @default.
- W2013442194 creator A5010598612 @default.
- W2013442194 creator A5011903388 @default.
- W2013442194 date "2014-05-19" @default.
- W2013442194 modified "2023-10-14" @default.
- W2013442194 title "Environments of interacting transients: impostors and Type IIn supernovae" @default.
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