The secondary is itself an eclipsing variable star with a range of 0.6 magnitudes; its orbital period is 6.4 hours.

Delta Librae is an Algol-type eclipsing variable star, 304 lightyears from Earth.

Gamma Cassiopeiae has a minimum magnitude of 3.0 and ]]-type eclipsing variable star.

AA Ceti is an eclipsing variable star; the tertiary star passes in front of the primary and causes the system's apparent magnitude to decrease by 0.5 magnitudes.

This blue-white main-sequence star, also called Alphekka and Gemma, is of magnitude 2.2, though it is an Algol-type eclipsing variable star.