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Type Iax Supernovae: A New Class of Stellar Explosion
Ryan J. Foley, P. J. Challis, R. Chornock +19
We describe observed properties of the Type Iax class of supernovae (SNe Iax), consisting of SNe observationally similar to its prototypical member, SN 2002cx. The class currently…
Fixing the U-band photometry of Type Ia supernovae
Kevin Krisciunas, Deepak Bastola, Juan Espinoza +8
We present previously unpublished photometry of supernovae 2003gs and 2003hv. Using spectroscopically-derived corrections to the U-band photometry, we reconcile U-band light curves…
Interacting Supernovae and Supernova Impostors. SN 2009ip, is this the end?
A. Pastorello, E. Cappellaro, C. Inserra +41
We report the results of a 3 year-long dedicated monitoring campaign of a restless Luminous Blue Variable (LBV) in NGC 7259. The object, named SN 2009ip, was observed photometrical…
Supernova 2008J: early time observations of a heavily reddened SN 2002ic-like transient
F. Taddia, M. D. Stritzinger, M. M. Phillips +19
We provide additional observational evidence that some Type Ia supernovae (SNe Ia) show signatures of circumstellar interaction (CSI) with hydrogen-rich material. Early phase optic…
Multi-wavelength Observations of the Enduring Type IIn Supernovae 2005ip and 2006jd
Maximilian Stritzinger, Francesco Taddia, Claes Fransson +19
We present an observational study of the Type IIn supernovae (SNe IIn) 2005ip and 2006jd. Broad-band UV, optical and near-IR photometry, and visual-wavelength spectroscopy of SN 20…
Evidence for asymmetric distribution of circumstellar material around Type Ia Supernovae
Francisco Förster, Santiago González-Gaitán, Joseph Anderson +5
We study the properties of low-velocity material in the line of sight towards nearby Type Ia Supernovae (SNe Ia) that have measured late phase nebular velocity shifts (v_neb), thou…