64 Draconis
64 Draconis is a single star in the northern circumpolar constellation of Draco, located 452 light years away. It has the Bayer designation of e Draconis; 64 Draconis is the Flamsteed designation. The object is visible to the naked eye as a dim, red-hued star with an apparent visual magnitude of 5.27. It is moving closer to the Earth with a heliocentric radial velocity of −36 km/s, and it is predicted to come as close as in around 4.3 million years.
This is an evolved red giant star with a stellar classification of M1 III, currently on the asymptotic giant branch. It has expanded to about 65 times the Sun's radius and is radiating 926 times the Sun's luminosity from its photosphere at an effective temperature of. 64 Draconis forms a faint naked-eye pair with 65 Draconis away. The latter is a suspected variable with a brightness range in the Hipparcos photometric filter of 5.29 to 5.33.
In Chinese astronomy, it belongs to the 天廚 asterism.
