'Closest black hole' system to Earth found to contain no black hole – study

Researchers agree there is no black hole in HR 6819, which is instead a vampire two-star system where one star has stripped material from the other.

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Chile ,Leuven ,Region Flamande ,Belgium ,Julia Bodensteiner ,Thomas Rivinius , ,Abigail Frost ,Large Telescope ,Very Large Telescope Interferometer ,Multi Unit Spectroscopic Explorer ,