Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Gliese 667 is a triple star system in the constellation of Scorpius. The star system lies at a distance of about 6.97 pc. There is a 12th magnitude star close to the other three, but it is not gravitationally bound to the system. To the naked eye, the system appears to be a single faint star of magnitude 5.89. The system has a relatively high proper motion, exceeding 1 second of arc per year. The two brightest components, Gl 667 A and Gl 667 B, are separated by an average distance of about 12.6 AU, but have an eccentric orbit, which takes them as close as about 5 AU, or as far as 20 AU.