Astronomy:NGC 231
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Short description: Open cluster in the constellation Tucana
| NGC 231 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Constellation | Tucana |
| Right ascension | 00h 41m 06.4s[1] |
| Declination | −73° 21′ 09″[1] |
| Distance | ~210000 |
| Apparent magnitude (V) | 12.87[2] |
| Apparent dimensions (V) | 1.8′ × 1.8′[2] |
| Physical characteristics | |
| Mass | 6.9×103[3] M☉ |
| Estimated age | 87 Myr[3] |
| Other designations | ESO 029-SC 005.[1] |
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.[4]
References
- ↑ 1.0 1.1 1.2 "NASA/IPAC Extragalactic Database". Results for NGC 0231. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+231&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ 2.0 2.1 "NGC 231". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+231.
- ↑ 3.0 3.1 Gatto, M.; Ripepi, V.; Bellazzini, M.; Tosi, M.; Cignoni, M.; Tortora, C.; Leccia, S.; Clementini, G. et al. (2021). "STEP survey – II. Structural analysis of 170 star clusters in the SMC". Monthly Notices of the Royal Astronomical Society 507 (3): 3312–3330. doi:10.1093/mnras/stab2297.
- ↑ "New General Catalog Objects: NGC 200 - 249". Cseligman. http://cseligman.com/text/atlas/ngc2.htm#231.
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