“European astronomers have spotted a giant white-light flare on the ultracool L dwarf designated ULAS J224940.13-011236.9. The newly detected flare is one of the largest flares ever observed from an ultracool dwarf. The discovery is detailed in a paper published February 3 on the arXiv.org pre-print server.”
Link to Study: https://arxiv.org/abs/1902.00900
Read more at: https://phys.org/news/2019-02-giant-flare-dwarf.html