Norma Cluster
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| Norma Cluster | |
|---|---|
Centre of the cluster with Milky Way stars in the foreground. Giant galaxies ESO 137-8 and ESO 137-6 are visible to the left.
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| Observation data (Epoch J2000) | |
| Constellation(s) | Norma |
| Right ascension | 16h 15m 32.8s[1] |
| Declination | −60° 54′ 30″[1] |
| Richness class | 1[2] |
| Bautz-Morgan classification | I [2] |
| Redshift | 0.01570 (4 707 km/s)[1] |
| Distance (co-moving) |
67.8 Mpc (221.1 Mly) h−1 0.705 [1] |
| Binding mass | 1015[3] M☉ |
| X-ray flux | 10 mCrab[3] |
| Other designations | |
| Abell 3627[1] | |
| See also: Galaxy groups, Galaxy clusters, List of galaxy clusters | |
The Norma Cluster (ACO 3627 or Abell 3627) is a rich cluster of galaxies located near the center of the Great Attractor and is about 68 Mpc (222 Mly) distant.[4][5] Although it is both nearby and bright, it is difficult to observe because it is located in the Zone of Avoidance, a region near the plane of the Milky Way. Consequently, the cluster is severely obscured by interstellar dust at optical wavelengths. Its mass is estimated to be on the order of 1015 solar masses.[3]
See also
External links
- ESO Press Photos 46a-j/99
- The Norma Cluster on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- Galaxy Cluster Has Two 'Tails' to Tell. NASA Image of the Day, January 22, 2010.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 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.
- ↑ 3.0 3.1 3.2 H. Boehringer et al., Astrophys. J. 467, 168 (1996)., R. C. Kraan-Korteweg et al., Nature 379, 519 (1996).
- ↑ R. C. Kraan-Korteweg, in Lecture Notes in Physics 556, edited by D. Pageand J.G. Hirsch, p. 301 (Springer, Berlin, 2000).
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
Coordinates: 
16h 15m 32.8s, −60° 54′ 30″
| Morphology | |
|---|---|
| Structure | |
| Active nuclei | |
| Energetic galaxies | |
| Low activity | |
| Interaction | |
| Lists | |
| See also | |
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