NGC 819
Discovery
NGC 819 was discovered by German astronomer Heinrich Louis d'Arrest on September 20, 1865 with the 11-inch refractor at Copenhagen. Édouard Stephan independently found the galaxy again on September 15, 1871 with the 31" reflector at Marseille Observatory.
Supernovae
Supernova SN 2007hb was discovered in NGC 819 on August 24, 2007 by Nearby Supernova Factory. SN 2007hb had a magnitude of about 19.5 and was located at RA 02h08m34.0s, DEC +29d14m14s, J2000.0. It was classified as a type Ib/c supernova.
Supernova SN 2016hkn was discovered in NGC 819 on October 22, 2016 by Fabio Briganti. SN 2014bu had a magnitude of about 17.2 and was located at RA 02h08m34.2s, DEC +29d14m11s, J2000.0. It was classified as a type II supernova.
Supernova SN 2020mbe (type Ic, mag. 18.6) was discovered in NGC 819 on 10 January 2020.
See also
References
- ^ "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved March 4, 2019.
- ^ "Revised NGC Data for NGC 819". spider.seds.org. Retrieved March 4, 2019.
- ^ "NGC 819". Retrieved March 4, 2019.
- ^ "Data for NGC 819". www.astronomy-mall.com. Retrieved March 4, 2019.
- ^ "Transient Name Server (TNS): SN 2007hb". wis-tns.weizmann.ac.il. Retrieved March 4, 2019.
- ^ "Transient Name Server (TNS): SN 2016hkn". wis-tns.weizmann.ac.il. Retrieved March 4, 2019.
- ^ "SN 2020mbe". Transient Name Server. IAU. Retrieved 5 September 2024.
External links
- NGC 819 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
