NGC 2808
Globular cluster in the constellation Carina / From Wikipedia, the free encyclopedia
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NGC 2808 is a globular cluster[6] in the constellation Carina. The cluster currently belongs to the Milky Way, although it was likely stolen from a dwarf galaxy that collided with the Milky Way. NGC 2808 is one of our home galaxy's most massive clusters, containing more than a million stars. It is estimated to be 12.5-billion years old.
Quick Facts Observation data (J2000 epoch), Class ...
NGC 2808 | |
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Observation data (J2000 epoch) | |
Class | I[1] |
Constellation | Carina |
Right ascension | 09h 12m 03.10s[2] |
Declination | –64° 51′ 48.6″[2] |
Distance | 31.3 kly (9.6 kpc)[3] |
Apparent magnitude (V) | 6.2[4] |
Apparent dimensions (V) | 13.8′[4] |
Physical characteristics | |
Mass | 1.42×106[3] M☉ |
Metallicity | = –1.14[3] dex |
Estimated age | 10.2 Gyr[5] |
Other designations | GCl 13, Melotte 95[6] |
See also: Globular cluster, List of globular clusters |
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The cluster is being disrupted by the galactic tide, trailing a long tidal tail.[7]