NGC 362
| NGC 362 | |
|---|---|
False-color image of NGC 362 by GALEX;
Credit: NASA/JPL/Caltech/University of Virginia/R. Schiavon (Univ. of Virginia) |
|
| Observation data | |
| Class | III[1] |
| Constellation | Tucana |
| Right ascension | 01h 03m 14.26s[2] |
| Declination | −70° 50′ 55.6″[2] |
| Distance | 27.7 kly (8.5 kpc)[3] |
| Apparent magnitude (V) | 6.4 |
| Apparent dimensions (V) | 12.9′ |
| Physical characteristics | |
| Metallicity | –1.09[4] dex |
| Estimated age | 10.37 Gyr[4] |
NGC 362 (Caldwell 104) is a globular cluster located in the constellation Tucana in the Southern Hemisphere, slightly north of the Small Magellanic Cloud. It was discovered on August 1, 1826 by James Dunlop.[5] It is visible to the naked eye in dark skies, and is an impressive sight in a telescope, although it is somewhat overshadowed by its larger and brighter neighbour 47 Tucanae.[6]
The stars of NGC 362 have an average metallicity higher than the stars in most globulars. This implies that NGC 362 is a relatively young globular cluster.[6] It also has an overabundance of binary stars, and an exceptionally tight core 13 light-years in diameter.[6] The orbit of NGC 362 is highly eccentric, taking it to within 3,260 light-years of the galactic center.[6]
See also
References
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External links
- SIMBAD: NGC 362
- Astrosurf: NGC 362
- Galactic Globular Clusters Database: NGC 362
- Galaxy Evolution Explorer Spies Band of Stars
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