NGC 4945
From Infogalactic: the planetary knowledge core
| NGC 4945 | |
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NGC 4945 image take by the MPG/ESO 2.2-metre telescope at La Silla Observatory.
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| Observation data (J2000 epoch) | |
| Constellation | Centaurus |
| Right ascension | 13h 05m 27.5s[1] |
| Declination | −49° 28′ 06″[1] |
| Redshift | 563 ± 3 km/s[1] |
| Distance | 11.7 Mly (3.6 Mpc)[2] |
| Type | SB(s)cd[1] |
| Apparent dimensions (V) | 20′.0 × 3′.8[1] |
| Apparent magnitude (V) | 9.3[1] |
| Other designations | |
| PGC 45279,[1] Caldwell 83 | |
Coordinates: 
13h 05m 27.5s, −49° 28′ 06″
NGC 4945 is a spiral galaxy in the constellation Centaurus, and near the bright star, Zeta Centauri.[3] The galaxy was discovered by James Dunlop in 1826. It is thought to be similar to the Milky Way Galaxy, although X-ray observations show that NGC 4945 has an unusual energetic Seyfert 2 nucleus that might house a large black hole.[4]
Galaxy group
NGC 4945 one of the brightest galaxies of the Centaurus A/M83 Group, a large, nearby group of galaxies. The galaxy is the second brightest galaxy in the subgroup centered on Centaurus A.[2][5]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ http://www.docdb.net/show_object.php?id=ngc_4945, NGC 4945 : DOCdb :Deep Sky Observer's Companion – the online database
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
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Wikimedia Commons has media related to [[commons:Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).|Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).]]. |
- NGC 4945 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- APOD: Nearby Spiral Galaxy NGC 4945 (7/21/02)
- ESO: The milkyway's nearby cousin (2/10/09)
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