a brown dwarf...with red hair? ha ha ha...

https://uk.news.yahoo.com/astronomers-spectacular-aurora-failed-star-outside-solar-system-170019356.html#X1f6v4k

"British astronomer Dr Stuart Littlefair, a member of the team from the University of Sheffield, said: "Brown dwarfs span the gap between stars and planets and these results are yet more evidence that we need to think of brown dwarfs as beefed-up planets, rather than 'failed stars'."