The triple star HD 131399 in the constellation of Centaurus (The Centaur)

This chart shows the location of the triple star HD 131399 in the large southern constellation of Centaurus (The Centaur). This star, whose brightest component is orbited by the unique planet HD 131399Ab, is too faint to be seen with the unaided eye, but can be found in binoculars. Its location is marked on this chart with a red circle.

Edit (19 April 2022): Observations conducted over the past few years have revealed that the object identified as HD 131399Ab is not a planet, but rather a background star.