Zeta Librae

The Bayer designation ζ Librae, Latinised as Zeta Librae (abbreviated ζ Lib / Zeta Lib) is shared by several star systems in the constellation Libra. Sources differ about the Flamsteed and Bayer designations that should be applied to four stars:
In light of the obvious confusion, the Bright Star Catalogue recommends the use of HR designations to unambiguously identify these four stars. HD 137949 does not have an HR number although it is included in the Bright Star Catalogue Supplement.