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102 papers
Understanding the Nature of the Optical Emission in Gamma-Ray Bursts: Analysis from TAROT, COATLI, and RATIR Observations
R. L. Becerra, A. Klotz, J. L. Atteia +12
We collected the optical light curve data of 227 gamma-ray bursts (GRBs) observed with the TAROT, COATLI, and RATIR telescopes. These consist of 133 detections and 94 upper limits.…
CAGIRE: a wide-field NIR imager for the COLIBRI 1.3 meter robotic telescope
Alix Nouvel de la Flèche, Jean-Luc Atteia, Jérémie Boy +32
The use of high energy transients such as Gamma Ray Bursts (GRBs) as probes of the distant universe relies on the close collaboration between space and ground facilities. In this c…
Deciphering the unusual stellar progenitor of GRB 210704A
R. L. Becerra, E. Troja, A. M. Watson +16
GRB~210704A is a burst of intermediate duration (~s) followed by a fading afterglow and an optical excess that peaked about 7 days after the explosion. Its propert…
Predicting Short-duration GRB Rates in the Advanced LIGO Volume
Tzvetelina A. Dimitrova, Nathaniel R. Butler, Srihari Ravi
Starting with models for the compact object merger event rate, the short-duration Gamma-ray Burst (sGRB) luminosity function, and the Swift/BAT detector, we calculate the observed…
A structured jet explains the extreme GRB 221009A
B. O'Connor, E. Troja, G. Ryan +29
Long duration gamma-ray bursts (GRBs) are powerful cosmic explosions, signaling the death of massive stars. Among them, GRB 221009A is by far the brightest burst ever observed. Due…
A nearby long gamma-ray burst from a merger of compact objects
E. Troja, C. L. Fryer, B. O'Connor +21
Gamma-ray bursts (GRBs) are flashes of high-energy radiation arising from energetic cosmic explosions. Bursts of long (>2 s) duration are produced by the core-collapse of massive s…