Gamma Delphini (γ Del, γ Delphini) is a binary star system approximately 101 light-years away in the constellation of Delphinus. The star marks one corner of the asterism "Job's Coffin". It is one of the best known double stars in the sky, with the primary star being a yellow-white dwarf star, while the secondary star is an orange subgiant star.
Read more about Gamma Delphini: Stellar Components, A Planetary System?