Chi Aquilae

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Chi Aquilae is a binary star system in the equatorial constellation of Aquila, the eagle. Its name is a Bayer designation that is Latinized from χ Aquilae, and abbreviated Chi Aql or χ Aql. This system is bright enough to be seen with the naked eye at a combined apparent visual magnitude of +5.29.

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

Image: IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg), CC BY 3.0, via Wikimedia Commons.