NGC 5291
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| NGC 5291 | |
 An infrared image of NGC 5291 by the Spitzer Space Telescope. Credit: SIRTF/NASA. |
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| Observation data (J2000 epoch) | |
|---|---|
| Constellation | Hydra |
| Right ascension | 13h 47m 24.5s[1] |
| Declination | -30° 24′ 25″[1] |
| Redshift | 4378 ± 6 km/s[1] |
| Type | E pec[1] |
| Apparent dimensions (V) | 1′.1× 0′.7[1] |
| Apparent magnitude (V) | 15.1[1] |
| Other designations | |
| PGC 48893[1] | |
| See also: Galaxy, List of galaxies | |
NGC 5291 is a system of interacting galaxies in the constellation Hydra. It is surrounded by a collisional ring, containing young and actively star forming tidal dwarf galaxies[2], where dark matter has been unexpectedly detected[3].
[edit] See also
[edit] External links
[edit] References
- ^ a b c d e f g NASA/IPAC Extragalactic Database. Results for NGC 5291. Retrieved on 2007-04-03.
- ^ Médéric Boquien, Pierre-Alain Duc, Jonathan Braine, Elias Brinks, Ute Lisenfeld and Vassilis Charmandaris (2007). "Polychromatic view of intergalactic star formation in NGC 5291". Astronomy & Astrophysics 467: 93–106. doi:.
- ^ Frédéric Bournaud, Pierre-Alain Duc, Elias Brinks, Médéric Boquien, Philippe Amram, Ute Lisenfeld, Bärbel S. Koribalski, Fabian Walter, and Vassilis Charmandaris (2007). "Missing Mass in Collisional Debris from Galaxies". Science 316: 1166–1169. doi:.
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