NGC 7816 is a spiral galaxy located about 215 million light-years away[2] in the constellation of Pisces.[3] It was discovered by astronomer William Herschel on September 26, 1785.[4]
One supernovae has been observed in NGC 7816: SN 2017gww (type II, mag. 17.9)[5]
Pair with NGC 7818
NGC 7816 is listed as being in pair with the galaxy NGC 7818.[4][6] NGC 7818 is also listed as being a disturbed member of the pair.[4][7] However, due to the large difference in their recessional velocities, the two galaxies are not a true pair but an optical double.[4]
See also
References
- ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 7816. Retrieved 2017-08-10.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-08-11.
- ^ Rojas, Sebastián García. "Galaxy NGC 7816 – Galaxy in Pisces Constellation · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-08-11.
- ^ a b c d "New General Catalog Objects: NGC 7800 – 7840". cseligman.com. Retrieved 2017-08-11.
- ^ Transient Name Server entry for SN 2017gww. Retrieved 24 March 2023.
- ^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-11.
- ^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-11.
External links
Media related to NGC 7816 at Wikimedia Commons- NGC 7816 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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