Centaurus Cluster
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| Centaurus Cluster | |
|---|---|
| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. Centaurus Cluster imaged by Legacy Surveys | |
| Observation data (Epoch J2000) | |
| ConstellationTemplate:Pluralize from text | Centaurus |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Brightest member | NGC 4696 |
| Number of galaxies | ~100[1] |
| Richness class | 0[2] |
| Bautz–Morgan classification | I–II [2] |
| Redshift | 0.01140 (3 418 km/s)[1] |
| Distance | 52.4 Mpc (170.9 Mly) Template:Hub[1] |
| X-ray flux | 15.7Template:E erg s−1 cm−2 (0.5–2 keV) [1] |
| Other designations | |
| Abell 3526[1] | |
The Centaurus Cluster (A3526) is a cluster of hundreds of galaxies, located approximately 170 million light-years away in the Centaurus constellation. The brightest member galaxy is the elliptical galaxy NGC 4696 (~11m). The Centaurus cluster shares its supercluster, the Hydra–Centaurus Supercluster, with IC 4329 Cluster and Hydra Cluster.
The cluster consists of two different sub-groups of galaxies with different velocities.[3] Cen 30 is the main subgroup containing NGC 4696. Cen 45 which is centered on NGC 4709, is moving at 1500 km/s relative to Cen 30,[3] and is believed to be merging with the main cluster.[4]
Gallery
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NGC 4696: a cosmic question mark
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Chandra X-ray image showing the inner 6.7 arcminutes of the core of the Centaurus Cluster. This image shows the hot intracluster medium, at temperatures of a few tens of million kelvins.
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Region around NGC 4709 (large galaxy in the middle) in the western part of the Centaurus Cluster.
See also
References
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- ^ a b c d e f g Page Module:Citation/CS1/styles.css has no content."NASA/IPAC Extragalactic Database". Results for Centaurus Cluster. Retrieved 2006-10-19.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Abell, George O.; Corwin, Harold G. Jr.; Olowin, Ronald P. (May 1989). "A catalog of rich clusters of galaxies". Astrophysical Journal Supplement Series. 70 (May 1989): 1–138. Bibcode:1989ApJS...70....1A. doi:10.1086/191333. ISSN 0067-0049.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Lucey J. R.; Currie M. J.; Dickens R. J. (1986). "The Centaurus cluster of galaxies. II – The bimodal velocity structure". Monthly Notices of the Royal Astronomical Society. 221 (2): 453–472. Bibcode:1986MNRAS.221..453L. doi:10.1093/mnras/221.2.453.
- ^ Page Module:Citation/CS1/styles.css has no content.Churazov, E.; Gilfanov, M.; Forman, W.; Jones, C. (1999). "Evidence for Merging in the Centaurus Cluster". The Astrophysical Journal. 520 (1): 105. arXiv:astro-ph/9802166. Bibcode:1999ApJ...520..105C. doi:10.1086/307421. ISSN 0004-637X. S2CID 18552647.
External links
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