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Three New Hypervelocity Stars Discovered

By admin - Posted on 11 February 2014

Using the MMT's Blue Channel Spectrograph, SAO scientist Warren Brown has completed a survey of Milky Way hypervelocity stars, resulting in the discovery of three new objects. Read more.

The new paper describes the third and last installment of a survey to find unbound hypervelocity stars that are ejected from our Galaxy.  These rare escaping stars may be a consequence of having a massive black hole at the center of the Milky Way, responsible for slingshotting the stars out of orbit. The newly-found objects bring the total number of known hypervelocity stars to 21.