ASASSN's creed—a surprising ultraviolet rebrightening observed in a superluminous supernova

Thursday, May 19, 2016 - 08:21 in Astronomy & Space

(Phys.org)—An international team of astronomers, led by Peter Brown of Texas A&M University, has spotted a surprising ultraviolet (UV) rebrightening in a distant superluminous supernova known as ASASSN-15lh. The event has baffled the scientists as it doesn't show any hydrogen emission characteristic of superluminous supernovae and tidal disruption events. The research was published online on May 12 on arXiv.org.

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