| Iota Crucis, Zeta Crucis, Theta2 Crucis|Lambda Crucis Wikipedia
Lambda Crucis (λ Crucis / λ Cru) is a star in the southern constellation Crux. The star is classified as a blue-white dwarf (spectral class B4 Vn). The apparent magnitude of λ Crucis is 4.6, but it is not stable. The star is a β Cephei-type variable, and its brightness varies with an amplitude of 0.02m period being 0.3951 days. λ Crucis is located at 360 light-years from the Sun.
This star is a proper motion member of the Lower-Centaurus Crux sub-group in the Scorpius-Centaurus OB association, the nearest such association of co-moving massive stars to the Sun.