HD 20104
HD 20104 (HR 967) is a visual binary in the northern circumpolar constellation Camelopardalis. The system has a combined apparent magnitude of 6.41, making it near naked eye visibility. When resolved in a large telescope, HD 20104 appears to be a pair of 7th magnitude A-type main-sequence stars with a separation of about . Located approximately 550 light years away, the system is approaching the Sun with a heliocentric radial velocity of . The system's stars have masses twice that of the Sun and effective temperatures ranging from 8,100 to 8,700 K, typical of stars their type. The primary radiates at  − over luminous for its class − and spins with a projected rotational velocity of . HD 20104 has an age of 313 million years. References

Camelopardalis
A-type main-sequence stars
Binary stars
020104
0967
BD+65 388
015309