ESO 306-17
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| ESO 306-17 | |
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| Observation data | |
| Right ascension | 05h 40m 06.67s |
| Declination | -40° 50′ 11.4″ |
| Redshift | 0.035805 |
| Type | cD3 |
| Apparent dimensions (V) | 2.5 arcsec |
| Apparent magnitude (V) | 13.33 |
| Other designations | |
| ESO 306-17 , ESO 306-G017 , ESO-LV 306-0170 , LEDA 17570 , AM 0538-405 , MCG-07-12-009 | |
| See also: Galaxy, List of galaxies | |
ESO 306-17 is a fossil group giant elliptical galaxy in the Columba constellation, about 1 million light-years in diameter, and half a billion light-years away.[1]
The galaxy is situated alone in a volume of space about it. It is theorized that the galaxy cannibalized its nearest companions, hence, being a fossil group.[2] The galaxy is a giant elliptical of type cD3 (E+3), one of the largest classes of galaxies.
[edit] References
- ^ MSNBC, "A Giant Among Galaxies ?", Alan Boyle, 4 March 2010 (accessed 5 March 2010)
- ^ Astronomy Now, "Bully galaxy rules the neighbourhood", Emily Baldwin, 4 March 2010 (accessed 5 March 2010)
- Discovery News, "Bully for ESO 306-17", Jennifer Ouellette, 3 March 2010 (accessed 5 March 2010)
- EurekAlert, "ACS Image of ESO 306-17", Colleen Sharkey, 4 March 2010 (accessed 5 March 2010)
- NASA Extragalactic Database, object ESO 306-???017 (accessed 5 March 2010)
- SIMBAD, "ESO 306-17 -- Galaxy" (accessed 5 March 2010)
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