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Zooming In on the Progenitors of Superluminous Supernovae With the HST
R. Lunnan, R. Chornock, E. Berger +25
We present Hubble Space Telescope (HST) rest-frame ultraviolet imaging of the host galaxies of 16 hydrogen-poor superluminous supernovae (SLSNe), including 11 events from the Pan-S…
The Broad-Lined Type Ic SN 2012ap and the Nature of Relativistic Supernovae Lacking a Gamma-ray Burst Detection
D. Milisavljevic, R. Margutti, J. T. Parrent +20
We present ultraviolet, optical, and near-infrared observations of SN 2012ap, a broad-lined Type Ic supernova in the galaxy NGC 1729 that produced a relativistic and rapidly decele…
No X-rays from the very nearby Type Ia SN2014J: constraints on its environment
R. Margutti, J. Parrent, A. Kamble +5
Deep X-ray observations of the post-explosion environment around the very nearby Type Ia SN\,2014J (Dl=3.5 Mpc) reveal no X-ray emission down to a luminosity L<7x10^{36} erg/s (0.3…
Rapidly-Evolving and Luminous Transients from Pan-STARRS1
M. R. Drout, R. Chornock, A. M. Soderberg +33
In the past decade, several rapidly-evolving transients have been discovered whose timescales and luminosities are not easily explained by traditional supernovae (SN) models. The s…
Towards Characterization of the Type IIP Supernova Progenitor Population: a Statistical Sample of Light Curves from Pan-STARRS1
N. E. Sanders, A. M. Soderberg, S. Gezari +30
In recent years, wide-field sky surveys providing deep multi-band imaging have presented a new path for indirectly characterizing the progenitor populations of core-collapse supern…
Relativistic supernovae have shorter-lived central engines or more extended progenitors: the case of SN\,2012ap
R. Margutti, D. Milisavljevic, A. M. Soderberg +10
Deep late-time X-ray observations of the relativistic, engine-driven, type Ic SN2012ap allow us to probe the nearby environment of the explosion and reveal the unique properties of…