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An ultraviolet excess in the superluminous supernova Gaia16apd reveals a powerful central engine
M. Nicholl, E. Berger, R. Margutti +5
Since the discovery of superluminous supernovae (SLSNe) in the last decade, it has been known that these events exhibit bluer spectral energy distributions than other supernova sub…
X-rays from the location of the Bactrian Transient ASASSN-15lh
R. Margutti, B. D. Metzger, R. Chornock +13
We present the detection of persistent soft X-ray radiation with L_x ~ 10^41-10^42 erg/s at the location of the extremely luminous, double-humped transient ASASSN-15lh as revealed…
Superluminous supernova 2015bn in the nebular phase: evidence for the engine-powered explosion of a stripped massive star
M. Nicholl, E. Berger, R. Margutti +25
We present nebular-phase imaging and spectroscopy for the hydrogen-poor superluminous supernova SN 2015bn, at redshift z=0.1136, spanning +250-400 d after maximum light. The light…
The Afterglow and Early-Type Host Galaxy of the Short GRB 150101B at z=0.1343
Wen-fai Fong, Raffaella Margutti, Ryan Chornock +14
We present the discovery of the X-ray and optical afterglows of the short-duration GRB 150101B, pinpointing the event to an early-type host galaxy at z=0.1343 +/- 0.0030. This make…
The Intermediate Luminosity Optical Transient SN 2010da: The Progenitor, Eruption and Aftermath of a Peculiar Supergiant High-mass X-ray Binary
V. Ashley Villar, Edo Berger, Ryan Chornock +7
We present optical spectroscopy, ultraviolet to infrared imaging and X-ray observations of the intermediate luminosity optical transient (ILOT) SN 2010da in NGC 300 (d=1.86 Mpc) sp…
PS1-14bj: A Hydrogen-Poor Superluminous Supernova With a Long Rise and Slow Decay
R. Lunnan, R. Chornock, E. Berger +27
We present photometry and spectroscopy of PS1-14bj, a hydrogen-poor superluminous supernova (SLSN) at redshift discovered in the last months of the Pan-STARRS1 Medium De…