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Optical and near infrared coverage of SN 2004et: physical parameters and comparison with other type IIP supernovae
K. Maguire, E. Di Carlo, S. J. Smartt +22
We present new optical and near infrared (NIR) photometry and spectroscopy of the type IIP supernova, SN 2004et. In combination with already published data, this provides one of th…
On the progenitor and early evolution of the type II supernova 2009kr
M. Fraser, K. Takats, A. Pastorello +13
We report the identification of a source coincident with SN 2009kr in HST pre-explosion images. The object appears to be a single point source with an intrinsic colour V-I = 1.1 an…
EC-SNe from super-AGB progenitors: theoretical models vs. observations
M. L. Pumo, M. Turatto, M. T. Botticella +6
Using a parametric approach, we determine the configuration of super-AGB stars at the explosion as a function of the initial mass and metallicity, in order to verify if the EC-SN s…
Two Type Ic supernovae in low-metallicity, dwarf galaxies: diversity of explosions
D. R. Young, S. J. Smartt, S. Valenti +15
We present BVRI photometry and optical spectroscopy of two Type Ic supernovae SN 2007bg and SN 2007bi discovered in wide-field, non-targeted surveys and associated with sub-luminou…
VLT Spectropolarimetry of the optical transient in NGC300. Evidence for asymmetry in the circumstellar dust
F. Patat, J. R. Maund, S. Benetti +4
AIMS: The main goal of this work is to study possible signs of asymmetry in the bright optical transient in NGC300, with the aim of getting independent information on the explosion…
SN 1999ga: a low-luminosity linear type II supernova?
A. Pastorello, R. M. Crockett, R. Martin +11
Type II-linear supernovae are thought to arise from progenitors that have lost most of their H envelope by the time of the explosion, and they are poorly understood because they ar…