#alpha persei

In order of brightness:

Mirfak (α Persei) is the brightest star in the constellation and lies in the midst of a cluster of stars named after it, the α Persei Cluster. The star is a blue-white supergiant star about 510 light years away. The name comes from the Arabic phrase Mirfaq al-Thurayya meaning "elbow of al-Thurayya."

Algol (β Persei) is a triple star system about 94 light years away. It signifies the position of Medusa's head, with Algol representing her eye. This is an eclipsing binary system, meaning one star passes in front of another, blocking light, causing the brightness to dim every ~3 days. The name comes from the Arabic phrase raʾs al-ghūl meaning "head of the ogre."

ζ Persei is a blue supergiant star about 1,300 light years away.

Áldu (ε Persei) is a binary star system about 640 light years away. The primary is a blue giant star. The name was only adopted in 2025 and comes from the Sámi culture of Finland and is the word for a female reindeer.

γ Persei is a binary star system about 220 light years away. The primary is a yellow giant star.

Sarvvis (δ Persei) is potentially a binary star system about 520 light years away. The primary is a blue giant star. Its name also comes from the Sámi culture of Finland and is the word for a male reindeer or moose.

ρ Persei is a solitary star about 308 light years away. It is a red supergiant and is sometimes called Gorgonea Tertia, Latin for the third Gorgon, although the IAU has yet to formally name this star.

Miram (η Persei) is a binary star system with the primary being a red supergiant star. It lies about 1,000 light years away. The origin of the name is unknown, although it only gained this name in the 20th century.

Misam (κ Persei) is a triple star system about 113 light years from Earth. The primary is a yellow giant star. The name comes from the Arabic word miʽṣam meaning "wrist."

Atik (o Persei) is a triple star system about 1,100 light years away, consisting of a blue giant as the primary. The name comes from the Arabic word atik meaning "shoulder."

τ Persei is a binary star system about 254 light years away. It consists of a yellow giant star and a blue-white giant star.

c Persei is a blue giant star about 480 light years from Earth.

Menkib (ξ Persei) is a solitary star about 1,200 light years away. It is a blue giant star and is one of the hottest stars that can be seen with the naked eye, clocking in at around 35,000 degrees! It also ionizes the nearby California Nebula (NGC 1499). The name comes from the Arabic phrase Mankib al Thurayya meaning "shoulder of al-Thurayya."

ι Persei is a solitary, yellow-white star about 35 light years away.

θ Persei is a binary star system about 37 light years away. The primary star is a yellow-white star with a red dwarf companion.

μ Persei is a binary star system about 900 light years away. The primary is a yellow supergiant star with a companion blue giant.

λ Persei is a solitary blue-white giant star about 420 light years away.

b Persei is a triple star system about 310 light years away. The primary is a blue-white giant star.