Theta Delphini, a name Latinized from θ Delphini, is a single[12] star in the northern constellation of Delphinus.

It has an apparent visual magnitude of about 5.7,[2] meaning that it is just barely visible to the naked eye under excellent viewing conditions.

The distance to this star is approximately 2,050 light years from the Sun based on parallax.

[5] The stellar classification of Theta Delphini is K3Ib, which means it is a K-type supergiant.

[14] It has been described as a super-metal-rich star because of its high metallicity.