7 Cephei

7 Cephei is a single star located approximately 820 light years away, in the northern circumpolar constellation of Cepheus. It is visible to the naked eye as a dim, blue-white hued star with an apparent visual magnitude of 5.42.

This is a B-type main-sequence star with a stellar classification of B7 V. It is a candidate variable star with an amplitude of 9 micromagnitudes and a period of $−0.099$. This object has 4.5 times the mass of the Sun and about three times the Sun's radius. It is spinning rapidly with a projected rotational velocity of 236 km/s. 7 Cephei is radiating 769 times the luminosity of the Sun from its photosphere at an effective temperature of 12,560 K.