NGC 222 is an open cluster located approximately 210,000 light-years from the Sun in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on August 1, 1826 by James Dunlop.[4]
| NGC 222 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Right ascension | 00h 40m 43.7s[1] |
| Declination | −73° 23′ 08″[1] |
| Distance | 210000 ly |
| Apparent magnitude (V) | 12.64[2] |
| Apparent dimensions (V) | 1.2′ × 1.2′[2] |
| Physical characteristics | |
| Mass | 6.2×103[3] M☉ |
| Estimated age | 83 Myr[3] |
| Other designations | ESO 029-SC 004.[1] |
| Associations | |
| Constellation | Tucana |
See also
editReferences
edit- ^ a b c "NASA/IPAC Extragalactic Database". Results for NGC 0222. Retrieved 2016-09-02.
- ^ a b "NGC 222". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 31 December 2016.
- ^ a b Gatto, M.; Ripepi, V.; Bellazzini, M.; Tosi, M.; Cignoni, M.; Tortora, C.; Leccia, S.; Clementini, G.; Grebel, E. K.; Longo, G.; Marconi, M.; Musella, I. (2021). "STEP survey – II. Structural analysis of 170 star clusters in the SMC". Monthly Notices of the Royal Astronomical Society. 507 (3): 3312–3330. arXiv:2108.02791. doi:10.1093/mnras/stab2297.
- ^ "New General Catalog Objects: NGC 200 - 249". Cseligman. Retrieved September 10, 2016.
External links
edit- NGC 222 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS