The Bayer designation ξ Lupi (Xi Lupi) is shared by two star systems in the constellation Lupus: ξ1 Lupi (HD 142629) ξ2 Lupi (HD 142630) Listed in the Washington Double Star Catalog as WDS J15569-3358, this double star most likely forms a wide binary star system. As of epoch 2004.38, the pair had an angular separation of along a position angle of . The difference in visual magnitude between the two stars is . References Lupi, Xi Lupus (constellation)