Above: Artist's impression of a gamma-ray burst gravitationally lensed by a black hole (Carl Knox).

Above: Artist's impression of a (long) gamma-ray burst generated by a core-collapse supernova being gravitationally lensed by a mystery object (James Paynter).

Below: Side schematic of a gravitationally lensed gamma-ray burst (Carl Knox).

Pulse Fitting

We fit pulses to GRB light-curves through the PyGRB software package.

Below: Iterative pulse fit animation by PyGRB to a gamma-ray burst light-curve through nested sampling.