NGC 222
NGC 222 is an open cluster located approximately 210,000 light-years from the Sun[2] 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) | |
| Constellation | Tucana |
| Right ascension | 00h 40m 43.7s[1] |
| Declination | −73° 23′ 08″[1] |
| Distance | 210000[2] |
| Apparent magnitude (V) | 12.64[3] |
| Apparent dimensions (V) | 1.2' x 1.2'[3] |
| Physical characteristics | |
| Other designations | ESO 029-SC 004.[1] |
References
- "NASA/IPAC Extragalactic Database". Results for NGC 0222. Retrieved 2016-09-02.
- An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
- "NGC 222". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 31 December 2016.
- "New General Catalog Objects: NGC 200 - 249". Cseligman. Retrieved September 10, 2016.
External links
- NGC 222 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
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