NGC 5291

NGC 5291
An infrared image of NGC 5291 by the Spitzer Space Telescope.
Observation data (J2000 epoch)
Constellation	Centaurus
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 Centaurus. 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].

See also

• Spitzer Space Telescope

External links

• Spitzer Space Telescope page on NGC 5291
• detailed info. on NGC 5291

References

1. ^ ^{a b c d e f g} "NASA/IPAC Extragalactic Database". Results for NGC 5291. http://nedwww.ipac.caltech.edu/. Retrieved 2007-04-03. 
2. ^ 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 (1): 93–106. arXiv:astro-ph/0703002. Bibcode 2007A&A...467...93B. doi:10.1051/0004-6361:20066692. 
3. ^ 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 (5828): 1166–1169. arXiv:0705.1356. Bibcode 2007Sci...316.1166B. doi:10.1126/science.1142114. PMID 17495138.