Machine learning helps discover the most luminous supernova in history

Machine-learning technology developed at Los Alamos National Laboratory played a key role in the discovery of supernova ASASSN-15lh, an exceptionally powerful explosion that was 570 billion times brighter than the Sun and more than twice as luminous as the previous record-holding supernova. This extraordinary event marking the death of a star was identified by the All Sky Automated Survey for SuperNovae (ASAS-SN) and is described in a new study published in Science. “This is a golden age for studying changes in astronomical objects thanks to rapid growth in imaging and computing technology,” said Przemek Wozniak, the principal investigator of the project that created the software system used to spot ASASSN-15lh. “ASAS-SN is a leader in wide-area searches for supernovae using small robotic telescopes that repeatedly observe the same areas of…


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