NGC 846
NGC 846 (also known as NGC 847) is a barred spiral galaxy located around 235 million light-years away in the constellation Andromeda. NGC 846 was discovered on November 22nd, 1876 by the French astronomer Édouard Stephan, and it has a diameter of around 162,000 light-years. NGC 846 is not known to have much star-formation, and it is not known to have an active galactic nucleus.
Supernovae
Two supernovae have been observed in NGC 846:
- SN 2003ja (type II, mag. 17.1) was discovered by the Lick Observatory Supernova Search (LOSS) on 22 October 2003.
- SN 2009fu (type Ia, mag. 15.7) was discovered by Kōichi Itagaki on 1 June 2009.
See also
References
- ^ "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2025-01-05.
- ^ "NGC 846 - Galaxy - WIKISKY". wikisky.org. Retrieved 2025-01-05.
- ^ "New General Catalog Objects: NGC 800 - 849". cseligman.com. Retrieved 2025-01-05.
- ^ "NGC 846 - Barred Spiral Galaxy in Andromeda | TheSkyLive.com". theskylive.com. Retrieved 2025-01-05.
- ^ Moore, M.; Li, W.; Filippenko, A. V.; Chornock, R.; Jha, S. (2003). "Supernova 2003ja in NGC 846". International Astronomical Union Circular (8231): 1. Bibcode:2003IAUC.8231....1M.
- ^ "SN 2003ja". Transient Name Server. IAU. Retrieved 5 January 2025.
- ^ Nakano, S.; Itagaki, K.; Kiiyota, S. (2009). "Supernova 2009fu in NGC 846". Central Bureau Electronic Telegrams. 1832: 1. Bibcode:2009CBET.1832....1N.
- ^ "SN 2009fu". Transient Name Server. IAU. Retrieved 5 January 2025.
External links
- Media related to NGC 846 at Wikimedia Commons