NGC 2808

NGC 2808
A Hubble Space Telescope (HST) image of NGC 2808
Observation data (J2000 epoch)
ClassI[1]
ConstellationCarina
Right ascension09h 12m 03.10s[2]
Declination–64° 51′ 48.6″[2]
Distance31.3 kly (9.6 kpc)[3]
Apparent magnitude (V)6.2[4]
Apparent dimensions (V)13.8′[4]
Physical characteristics
Mass1.42×106[3] M☉
Metallicity = –1.14[3] dex
Estimated age10.2 Gyr[5]
Other designationsGCl 13, Melotte 95[6]
See also: Globular cluster, List of globular clusters

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 the Milky Way's most massive clusters, containing more than a million stars. It is estimated to be 12.5 billion years old.

The cluster is being disrupted by the galactic tide, trailing a long tidal tail.[7]

  1. ^ Cite error: The named reference hcob849_11 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference aj140_6_1830 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference apj742_1_51 was invoked but never defined (see the help page).
  4. ^ a b "Data for NGC 2808". NGC/IC Project. Archived from the original on 15 January 2013. Retrieved 19 November 2013.
  5. ^ Cite error: The named reference mnras385_4_1998 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference simbad was invoked but never defined (see the help page).
  7. ^ Carballo-Bello, Julio A.; Martínez-Delgado, David; Navarrete, Camila; Catelan, Márcio; Muñoz, Ricardo R.; Antoja, Teresa; Sollima, Antonio (2017), "Tails and streams around the Galactic globular clusters NGC 1851, NGC 1904, NGC 2298 and NGC 2808", Monthly Notices of the Royal Astronomical Society, 474: 683–695, arXiv:1710.08927, doi:10.1093/mnras/stx2767