Observations detect a nearby hypervelocity stellar/substellar object

Using the Keck II telescope, astronomers have detected an object that may be a brown dwarf or a low-mass star, exhibiting a very high radial velocity. The object, designated CWISE J124909.08+362116.0 is located some 400 light years away. The finding was reported July 11 on the pre-print server arXiv.