Delta Librae (δ Librae, δ Lib) is a variable star in the constellation Libra. It has the traditional name Zuben Elakribi, a variant of the traditional name of Gamma Librae. With μ Vir it forms one of the Akkadian lunar mansions Mulu-izi (meaning "Man-of-fire").
δ Lib is approximately 300 light years from the Earth and belongs to the spectral class B9.5V. It is an eclipsing binary star, with a period of 2.3272 days. Its apparent magnitude varies from 4.43m to 5.81m.
Along with λ Tau, it was one of the first stars on which rotational line broadening was observed, by Frank Schlesinger in 1911.
References
Delta Librae Wikipedia(Text) CC BY-SA