Gamma Arietis, also known as Mesarthim, is a binary star system located in the constellation Aries. Although there are no direct synonyms for Gamma Arietis, it is often referred to by its traditional name, Mesarthim, which comes from the Arabic phrase meaning "the two who are joined together." Some astronomers may also refer to Gamma Arietis as a "double star," indicating that it is composed of two distinct components, or as a "spectroscopic binary," indicating that its binary nature is established through spectral analysis. Regardless of terminology, Gamma Arietis remains an important astronomical object for study and observation.