NGC 1818
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| NGC 1818 | |
| Observation data: J2000 epoch | |
|---|---|
| Class: | |
| Constellation: | Tucana |
| Right ascension: | 05h 04m 13.8s[1] |
| Declination: | -66° 26′ 02″[1] |
| Distance: | () |
| Apparent magnitude (V): | 9.7B[1] |
| Apparent dimensions (V): | |
| Physical characteristics | |
| Mass: | ( M☉) |
| Radius: | |
| VHB: | |
| Estimated age: | 20 Myr[2] |
| Notable features: | Rare young globular |
| Other designations: | |
| See also: Globular cluster, List of globular clusters | |
NGC 1818 is a young globular cluster, estimated to be only about 20 million years old which is very unusual as almost all known globulars have their age estimated to be between 4-14 billions years. It is part of the Large Magellanic Cloud.
[edit] Notes
- ^ a b c (SIMBAD 2007)
- ^ (Johnson et al. 2001)
[edit] References
- Johnson, R. A.; S. F. Beaulieu & G. F. Gilmore et al. (2001), "Young star clusters in the Large Magellanic Cloud: NGC 1805 and 1818", Monthly Notices of the Royal Astronomical Society 324(2): 367-380
- SIMBAD (January 8, 2007), Results for NGC 1818, SIMBAD, Centre de Données Astronomiques de Strasbourg
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