Algol, designated Beta Persei and known colloquially as the Demon Star, is a bright multiple star system in the constellation Perseus and one of the first non-nova variable stars ever identified. Its regular dimming, caused by one component periodically passing in front of the other as seen from Earth, made it the prototype of the eclipsing binary class of variable stars.
Facts
Classification
Constellation In the Other Atlases
In Constellation
Also in Divinity Atlas: the constellation this subject lies in.
Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia Foundation
Wikidata: Algol
Algol (Wikipedia)
Algol, Wikipedia - lead section, catalogue classification
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.
Algol, Wikipedia - lead section, constellation
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.
In Group: Triple and Higher-Order Star Systems, Lead sentence
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.
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