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Radio observations of a sample of broad-lined type Ic supernovae discovered by PTF/iPTF: A search for relativistic explosions
A. Corsi, A. Gal-Yam, S. R. Kulkarni +15
Long duration gamma-ray bursts are a rare subclass of stripped-envelope core-collapse supernovae that launch collimated relativistic outflows (jets). All gamma-ray-burst-associated…
Type II supernova energetics and comparison of light curves to shock-cooling models
Adam Rubin, Avishay Gal-Yam, Annalisa De Cia +37
During the first few days after explosion, Type II supernovae (SNe) are dominated by relatively simple physics. Theoretical predictions regarding early-time SN light curves in the…
Late time multi wavelength observations of Swift J1644+5734: A luminous optical/IR bump and quiescent X-ray emission
A. J. Levan, N. R. Tanvir, G. C. Brown +10
We present late-time multi-wavelength observations of Swift J1644+57, suggested to be a relativistic tidal disruption flare (TDF). Our observations extend to >4 years from discover…
Optical and near-infrared observations of SN 2013dx associated with GRB 130702A
V. L. Toy, S. B. Cenko, J. M. Silverman +33
We present optical and near-infrared light curves and optical spectra of SN 2013dx, associated with the nearby (redshift 0.145) gamma-ray burst GRB 130702A. The prompt isotropic ga…
The unusual radio afterglow of the ultra-long gamma-ray burst GRB 130925A
Assaf Horesh, S. Bradley Cenko, Daniel A. Perley +3
GRB 130925A is one of the recent additions to the growing family of ultra-long GRBs (T90 s). While the X-ray emission of ultra-long GRBs have been studied extensivel…
iPTF14yb: The First Discovery of a GRB Afterglow Independent of a High-Energy Trigger
S. Bradley Cenko, Alex L. Urban, Daniel A. Perley +34
We report here the discovery by the Intermediate Palomar Transient Factory (iPTF) of iPTF14yb, a luminous ( mag), cosmological (redshift 1.9733), rapidly fading…