| NGC 231 | |
|---|---|
 NGC 220 (lower right), NGC 222 (middle) and NGC 231 (upper left) with DECam | |
| Observation data (J2000 epoch) | |
| Right ascension | 00 41 06.4 |
| Declination | −73° 21′ 09″ |
| Distance | ~210000 |
| Apparent magnitude (V) | 12.87 |
| Apparent dimensions (V) | 1.8′ × 1.8′ |
| Physical characteristics | |
| Mass | 6.9×10 M☉ |
| Estimated age | 87 Myr |
| Other designations | ESO 029-SC 005. |
| Associations | |
| Constellation | Tucana |
| See also: Open cluster, List of open clusters | |
NGC 231 is an open cluster in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on August 1, 1826 by James Dunlop.
References
- ^ "NASA/IPAC Extragalactic Database". Results for NGC 0231. Retrieved 2016-09-02.
- ^ "NGC 231". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 31 December 2016.
- ^ 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 15, 2016.
| Constellation of Tucana | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stars |
| ||||||||||
| |||||||||||
| Star clusters |
| ||||||||||
| |||||||||||
| Galaxies |
| ||||||||||
 Category | |||||||||||