April 16, 2024

Artist's impression of the GRB221009A gamma-ray burst with relativistic jets coming from the black hole at the center (Image courtesy Aaron M. Geller / Northwestern / CIERA / IT Research Computing and Data Services)

An article published in the journal “Nature Astronomy” reports a study on the gamma-ray burst cataloged as GRB221009A, the brightest ever detected, which confirms that it was caused by the collapse of a massive star, which subsequently exploded in a supernova. A team of researchers led by Northwestern University used data collected with the James Webb Space Telescope and the ALMA radio telescope to obtain the information needed to support their conclusions. The mystery remains of the absence of traces of the generation of heavy elements such as platinum and gold, which they thought could be associated with supernovae that lead to very powerful gamma-ray bursts.