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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…
On the nature of the progenitors of three type II-P supernovae: 2004et, 2006my and 2006ov
R. M. Crockett, S. J. Smartt, A. Pastorello +4
The pre-explosion observations of the type II-P supernovae 2006my, 2006ov and 2004et, are re-analysed. In the cases of supernovae 2006my and 2006ov we argue that the published cand…
Composite star formation histories of early-type galaxies from minor mergers: prospects for WFC3
S. Peirani, R. M. Crockett, S. Geen +3
The star formation history of nearby early-type galaxies is investigated via numerical modelling. Idealized hydrodynamical N-body simulations with a star formation prescription are…
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…
SN 2008S: an electron capture SN from a super-AGB progenitor?
M. T. Botticella, A. Pastorello, S. J. Smartt +31
We present comprehensive photometric and spectroscopic observations of the faint transient SN 2008S discovered in NGC 6946. SN 2008S exhibited slow photometric evolution and almost…