15 Sagittae (15 Sge) is a 6th magnitude star in the constellation Sagitta. Considered a solar analog, it was the target of the first radial velocity survey from Lick Observatory, which found a drift due to a companion; In 2002, the cause of this was found to be brown dwarf companion B via direct imaging.
Read more about 15 Sagittae: 15 Sagittae B