2021
DOI: 10.3847/1538-4357/abfcbe
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Abstract: The discovery of SN 2018gep (ZTF 18abukavn) challenged our understanding of the late-phase evolution of massive stars and their supernovae (SNe). The fast rise in luminosity of this SN (spectroscopically classified as a broad-lined Type Ic SN) indicates that the ejecta interacts with a dense circumstellar medium (CSM), while an additional energy source such as 56 Ni decay is required to explain the late-time light curve. These features hint at the explosion of a massive star with pre-SN mass loss. In this wor… Show more

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Cited by 21 publications
(29 citation statements)
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References 98 publications
(155 reference statements)
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“…As shown in Leung et al ( , 2021, an ejected mass of ∼10 −2 -10 −1 M e with a radius of 10 2 -10 4 R e can power luminous SNe via CSM interaction, which explains some rapidly brightening transients with a rise time of ∼10 days and a peak luminosity ∼10 44 erg s −1 . The expected M CSM is much smaller than the required values for most of our models, so we expect rapidly rising H-poor transients to be uncommon (if the CSM is generated by wave heating).…”
Section: Csm Dep Ej Depmentioning
confidence: 82%
“…Additionally, the circumstellar medium can greatly affect the light curve of the subsequent supernova (Suzuki et al 2019). The outburst mass and energy expected from wave heating are approximately capable of matching some well-observed transients such as SN 2000kf (Ouchi & Maeda 2021) and SN 2018gep (Leung et al 2021).…”
Section: Dynamical Evolution Of Massive Starsmentioning
confidence: 91%
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