Eta Andromedae

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What Wikipedia says

Eta Andromedae, also named Kui, is a spectroscopic binary star system in the northern constellation of Andromeda. It consists of two G-type evolved stars orbiting each other with a period of 115.7 days and has an overall apparent visual magnitude of approximately 4.403.

Excerpt from the Wikipedia article “Eta Andromedae”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: en:User:Diegoaac, CC BY-SA 3.0, via Wikimedia Commons.