15 Delphini

15 Delphini (15 Del) is a star in the equatorial constellation Delphinus. It has an apparent magnitude of 5.99, allowing it to be faintly seen with the naked eye. The star is relatively close at a distance of 99 light years but is receding with a heliocentric radial velocity of $$.

15 Del has a stellar classification of F5 V, indicating that it is an ordinary F-type main-sequence star. It has 123% the mass of the Sun and a diameter of $$. It radiates at 3 times the luminosity of the Sun from its photosphere at an effective temperature of $$, giving a yellow-white hue. 15 Del has an iron abundance 74% that of the Sun and at an age of 1.21 billion years — spins leisurely with a projected rotational velocity of $$.

15 Delphini has 3 companions listed below. Components B and D have different proper motions compared to the host. However, C appears to have a common proper motion, suggesting physical relation, but its parallax indicates a further distance compared to 15 Delphini.