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Euclid: Quick Data Release (Q1) -- Photometric studies of known transients
C. Duffy, E. Cappellaro, M. T. Botticella +174
We report on serendipitous Euclid observations of previously known transients, using the Euclid Q1 data release. By cross-matching with the Transient Name Server (TNS) we identify…
Hydrogen-rich supernovae beyond the neutrino-driven core-collapse paradigm
G. Terreran, M. L. Pumo, T. -W. Chen +41
We present our study of OGLE-2014-SN-073, one of the brightest Type II SN ever discovered, with an unusually broad lightcurve combined with high ejecta velocities. From our hydrody…
STEP: The VST survey of the SMC and the Magellanic Bridge. I. Overview and first results
V. Ripepi, M. Cignoni, M. Tosi +23
STEP (the SMC in Time: Evolution of a Prototype interacting late-type dwarf galaxy) is a Guaranteed Time Observation survey being performed at the VST (the ESO VLT Survey Telescope…
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…
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…
The rate of type Ia Supernovae and the star formation history
L. Greggio, E. Cappellaro
The scaling of the rate of type Ia Supernovae (SNIa) with the parent galaxies' color provides information on the distribution of the delay times (DTD) of the SNIa progenitors. We s…