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Supernova (SN) iPTF13bvn in NGC 5806 was the first Type Ib SN to have been tentatively associated with a progenitor in pre-explosion images. We performed deep ultraviolet (UV) and optical Hubble Space Telescope observations of the SN site similar to 740 days after explosion. We detect an object i...


Folatelli, GastónVan Dyk, Schuyler D.Kuncarayakti, HanindyoMaeda, KeiichiBersten, Melina C.Nomoto, Ken'ichiPignata, GiulianoHamuy, MarioQuimby, Robert M.Zheng, WeiKangFilippenko, Alexei V.Clubb, Kelsey I.Smith, NathanElias-Rosa, NancyFoley, Ryan J.Miller, Adam A.[DISAPPEARANCE OF THE PROGENITOR OF SUPERNOVA iPTF13bvn]DISAPPEARANCE OF THE PROGENITOR OF SUPERNOVA iPTF13bvn

From a sample of 12 well-observed Type Ia supernovae, we find clear evidence of correlations between early phase (U − B), (V − R), and (V − I) colors and the velocity shifts of the [Fe II] λ7155 and [Ni II] λ7378 nebular lines measured from late-phase spectra. As these lines are thought to trace t...


Cartier, RegisFoster, FranciscoCoppi, PaoloHamuy, MarioMaeda, KeiichiPignata, GuilianoFolatelli, Gastón[A study of the color diversity around maximum light in Type Ia supernovae]A study of the color diversity around maximum light in Type Ia supernovae

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