The star system was discovered in 1948 by Willem Jacob Luyten in the course of compiling a catalog of stars of high proper motion ; he noted its exceptionally high proper motion of 3.37 arc seconds annually and cataloged it as Luyten 726-8 .
The star system was discovered in 1948 by W.J Luyten in the course of compiling a catalogue of stars of high proper motion ; he noted its exceptionally high proper motion of 3.37 arc seconds annually and catalogued it as Luyten 726-8 .