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The progenitor and early evolution of the Type IIb SN 2016gkg
L. Tartaglia, M. Fraser, D. J. Sand +24
We report initial observations and analysis on the Type IIb SN~2016gkg in the nearby galaxy NGC~613. SN~2016gkg exhibited a clear double-peaked light curve during its early evoluti…
Optical and Ultraviolet Observations of the Very Young Type IIP SN 2014cx in NGC 337
Fang Huang, Xiaofeng Wang, Luca Zampieri +15
Extensive photometric and spectroscopic observations are presented for SN 2014cx, a type IIP supernova (SN) exploding in the nearby galaxy NGC 337. The observations are performed i…
Type Ibn Supernovae Show Photometric Homogeneity and Spectral Diversity at Maximum Light
Griffin Hosseinzadeh, Iair Arcavi, Stefano Valenti +34
Type Ibn supernovae (SNe) are a small yet intriguing class of explosions whose spectra are characterized by low-velocity helium emission lines with little to no evidence for hydrog…
The diversity of Type II supernova versus the similarity in their progenitors
S. Valenti, D. A. Howell, M. D. Stritzinger +19
High-quality collections of Type II supernova (SN) light curves are scarce because they evolve for hundreds of days, making follow-up observations time consuming and often extendin…