Keck%20adaptive%20optics%20image%20of%2015%20Sge%20and%20its%20companion,%20also%20obtained%20in%20the%20near-infrared.%20The%20arrow%20points%20to%20the%20companion,%20seen%20as%20a%20close%20point%20source.%20(The%20streaks%20of%20light%20around%20the%20primary%20star%20are%20image%20artifacts%20produced%20by%20the%20telescope.)CREDIT:%20W.%20M.%20Keck%20Observatory/University%20of%20Hawaii%20Institute%20for%20Astronomy/Michael%20Liu
