Algol variables

Algol , designated Beta Persei (β Persei, abbreviated Beta Per, β Per), known colloquially as the Demon Star, is a bright multiple star in the constellation of Perseus and one of the first non-nova variable stars to be discovered.

binary star in the constellation Cepheus

binary star system in the northern constellation of Auriga

binary star in the constellation Capricornus

star in the northern constellation of Auriga

binary star in the constellation Vela

binary star in the constellation Auriga

binary star

variable star in the constellation Orion

star system in the constellation Taurus

class of eclipsing binary stars

star

binary star in the constellation Phoenix

Variable star in the constellation Virgo

triple star system in the constellation Tucana

binary star in the constellation Auriga

variable star in the constellation Carina

star in the constellation Hercules

star in the constellation Perseus

binary star in the constellation Cygnus

Star in the constellation Cygnus

binary star system in the constellation Auriga

star in the constellation Orion

star in the constellation Lynx

star in the constellation Aquarius

variable quadruple star system

eclipsing binary star system in the constellation Orion

star system in the constellation Perseus

wolf-Rayet star in the constellation of Cygnus

blue dwarf star in the constellation Boötes

star in the constellation Ara

variable star in the constellation Eridanus

star system in the constellation Cassiopeia

binary star system in the constellation Sagittarius

star in the constellation Cassiopeia

star in the constellation Leo

star in the constellation Aquila

astronomical object in the constellation Lupus

astronomical object in the constellation Sagittarius

variable star in the constellation Corona Borealis

binary star in the constellation Pisces

binary star in the constellation Ursa Major

star system in the constellation Ara

star in the constellation Chamaeleon

variable star in the constellation Cygnus

eclipsing binary star in the constellation Virgo

variable star in Boötes

star in the constellation Telescopium

star in the constellation Mensa

variable star in the constellation Sagitta

star in the constellation Pegasus

triple star system in constellation Draco

star in the constellation Andromeda