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Polarimetry of relativistic tidal disruption event Swift J2058+0516
K. Wiersema, A. B. Higgins, A. J. Levan +8
A small fraction of candidate tidal disruption events (TDEs) show evidence of powerful relativistic jets, which are particularly pronounced at radio wavelengths, and likely contrib…
An unusual transient following the short GRB 071227
R. A. J. Eyles, P. T. O'Brien, K. Wiersema +7
We present X-ray and optical observations of the short duration gamma-ray burst GRB 071227 and its host at , obtained using \textit{Swift}, Gemini South and the Very Large…
The Case for a High-Redshift Origin of GRB100205A
A. A. Chrimes, A. J. Levan, E. R. Stanway +15
The number of long gamma-ray bursts (GRBs) known to have occurred in the distant Universe (z greater than 5) is small (approx 15), however these events provide a powerful way of pr…
The late-time afterglow evolution of long gamma-ray bursts GRB 160625B and GRB 160509A
Tuomas Kangas, Andrew S. Fruchter, S. Bradley Cenko +12
We present post-jet-break \textit{HST}, VLA and \textit{Chandra} observations of the afterglow of the long -ray bursts GRB 160625B (between 69 and 209 days) and GRB 160509A (bet…
Short GRB 160821B: a reverse shock, a refreshed shock, and a well-sampled kilonova
G. P. Lamb, N. R. Tanvir, A. J. Levan +31
We report our identification of the optical afterglow and host galaxy of the short-duration gamma-ray burst GRB 160821B. The spectroscopic redshift of the host is , making…