![An impression of the system Algol (Beta Persei). A blue spectral class B8 star with a diameter of 3 solar diameters and red-yellow spectral class K2 star of about 3.5 solar diameters An impression of the system Algol (Beta Persei). A blue spectral class B8 star with a diameter of 3 solar diameters and red-yellow spectral class K2 star of about 3.5 solar diameters](https://c8.alamy.com/zooms/9/0a09d5d47e7948538b92869f0ab37dfd/2gg0cm9.jpg)
An impression of the system Algol (Beta Persei). A blue spectral class B8 star with a diameter of 3 solar diameters and red-yellow spectral class K2 star of about 3.5 solar diameters
Beta Persei (β Persei) or Algol “Demon Star” in Perseus Right ascension 03h 08m 10.1s Declination +40° 57′ 20.3″ Algol , designated Beta Persei (β... | By Sky Observer Group | Facebook
![Peter 🇨🇦 🇯🇵 🇦🇺 🇫🇮 🇳🇱 on Twitter: "Algol (Beta Per, β Persei, β Per), known as the Demon Star, is a bright star in the constellation Perseus. http://t.co/ZfDU0D6KPq" / Twitter Peter 🇨🇦 🇯🇵 🇦🇺 🇫🇮 🇳🇱 on Twitter: "Algol (Beta Per, β Persei, β Per), known as the Demon Star, is a bright star in the constellation Perseus. http://t.co/ZfDU0D6KPq" / Twitter](https://pbs.twimg.com/media/BZCyQuGCQAErlDD.jpg)
Peter 🇨🇦 🇯🇵 🇦🇺 🇫🇮 🇳🇱 on Twitter: "Algol (Beta Per, β Persei, β Per), known as the Demon Star, is a bright star in the constellation Perseus. http://t.co/ZfDU0D6KPq" / Twitter
![Algol (Beta Persei) Star Facts (Type, Distance, Magnitude, Colour, Luminosity, Location & more) - Universe Guide Algol (Beta Persei) Star Facts (Type, Distance, Magnitude, Colour, Luminosity, Location & more) - Universe Guide](https://www.universeguide.com/pictures/constellations/stars/perseuslocationalgol.png)