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Open cluster in the constellation Cygnus
NGC 6819 is an open cluster (commonly known as an "open star cluster") located 7,200 light years away in the Cygnus constellation. It was discovered by Caroline Herschel on 12 May 1784.
Situated on the boundary of Cygnus and Lyra, NGC 6819 contains roughly two dozen stars of magnitude 10 to 12, with many more lower magnitude members.[2]
The age of NGC 6819 is estimated here to be ~ 2.5 ± 0.5 Gyr.[3] Its distance is calculated to be 2.16 ± 0.57 kpc.[4]
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/NGC_6819_map.png/220px-NGC_6819_map.png)
References
- ^ a b c "NGC 6819". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-19.
- ^ "NGC 6819". Retrieved November 16, 2011.
- ^ "Astro Lab Spring 2008". www.phy.ohiou.edu. Archived from the original on 2018-10-01. Retrieved 2016-06-02.
- ^ "Astro Lab Spring 2008". www.phy.ohiou.edu. Archived from the original on 2018-10-01. Retrieved 2016-06-02.
External links
Media related to NGC 6819 at Wikimedia Commons
- NGC 6819 at SEDS
- NGC 6819 at Silicon Owl
- NGC 6819 at Messier45[permanent dead link]
- NGC 6819 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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