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De Jaeger, ThomasGonzález Gaitán, SebastiánAnderson, J. P.Galbany, LluisHamuy Wackenhut, MarioPhillips, M. M.Stritzinger, M.Gutiérrez, C.Bolt, L.Burns, C.Campillay, A.Castellón, S.Contreras, C.Folatelli, GastónFreedman, W. L.Hsiao, EricKrisciunas, K.Krzeminski, W.Kuncarayakti, HanindyoMorrell, N.Olivares, F.Persson, S.Suntzeff, Nicholas B.[A hubble diagram from TYPE II supernovae based solely on photometry: the photometric color method]

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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