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Initial Evaluation of SNEMO2 and SNEMO7 Standardization Derived From Current Light Curves of Type Ia Supernovae
B. M. Rose, S. Dixon, D. Rubin +7
To determine if the SuperNova Empirical Model (SNEMO) can improve Type Ia supernova (SN Ia) standardization of several currently available photometric data sets, we perform an init…
GRB 190114C in the nuclear region of an interacting galaxy -- A detailed host analysis using ALMA, HST and VLT
A. de Ugarte Postigo, C. C. Thöne, S. Martın +28
GRB 190114C is the first GRB for which the detection of very-high energy emission up to the TeV range has been reported. It is still unclear whether environmental properties might…
The late-time radio behavior of GRB afterglows: testing the standard model
Tuomas Kangas, Andrew Fruchter
We examine a sample of 21 gamma-ray burst (GRB) afterglow light curves at radio frequencies, and compare them to the X-ray and/or optical properties of the afterglows and to the pr…
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…