"' Lambda Aquarii "'( ? Aqr, ? Aquarii ) is the Bayer designation for a star in the Aquarius.
In asterism consisting of Gamma Capricorni, Kappa Capricorni, Epsilon Capricorni, Delta Capricorni, Iota Aquarii, Sigma Aquarii, Lambda Aquarii, Phi Aquarii, 27 Piscium, 29 Piscium, 33 Piscium and 30 Piscium.
Lambda Aquarii is a red giant star with a stellar classification of M2.5 III . It is classified as slow irregular variable and pulsation periods of 24.5, 32.0, and 49.5 days have been identified.