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164 papers
Modeling of the nebular-phase spectral evolution of stripped-envelope supernovae. New grids from 100 to 450 days
Luc Dessart, D. John Hillier, S. E. Woosley +1
We present an extended grid of multi-epoch 1D nonlocal thermodynamic equilibrium radiative transfer calculations for nebular-phase Type Ibc supernovae (SNe) from He-star explosions…
Supernova 2020wnt: An Atypical Superluminous Supernova with a Hidden Central Engine
Samaporn Tinyanont, Stan E. Woosley, Kirsty Taggart +34
We present observations of a peculiar hydrogen- and helium-poor stripped-envelope (SE) supernova (SN) 2020wnt, primarily in the optical and near-infrared (near-IR). Its peak absolu…
StaNdaRT: A repository of standardized test models and outputs for supernova radiative transfer
Stéphane Blondin, Sergei Blinnikov, Fionntan P. Callan +26
We present the first results of a comprehensive supernova (SN) radiative-transfer (RT) code-comparison initiative (StaNdaRT), where the emission from the same set of standardized t…
SN 1961V: A Pulsational Pair-Instability Supernova
S. E. Woosley, Nathan Smith
We explore a variety of models in which SN~1961V, one of the most enigmatic supernovae (SNe) ever observed, was a pulsational pair-instability supernova (PPISN). Successful models…
Physics-Informed Machine Learning for Modeling Turbulence in Supernovae
Platon I. Karpov, Chengkun Huang, Iskandar Sitdikov +3
Turbulence plays an important role in astrophysical phenomena, including core-collapse supernovae (CCSN), but current simulations must rely on subgrid models since direct numerical…
A Carbon/Oxygen-dominated Atmosphere Days After Explosion for the "Super-Chandrasekhar" Type Ia SN 2020esm
Georgios Dimitriadis, Ryan J. Foley, Nikki Arendse +18
Seeing pristine material from the donor star in a Type Ia supernova (SN Ia) explosion can reveal the nature of the binary system. In this paper, we present photometric and spectros…