NGC 231

NGC231
NGC231
	NGC 220(lower right),NGC 222(middle) and NGC 231 (upper left) withDECam
Observation data (J2000epoch)
Right ascension	00h41m06.4s
Declination	−73° 21′ 09″
Distance	~210000
Apparent magnitude(V)	12.87
Apparent dimensions (V)	1.8′× 1.8′
Physical characteristics
Mass	6.9×103M☉
Estimated age	87 Myr
Other designations	ESO029-SC 005.
Associations
Constellation	Tucana
	See also:Open cluster,List of open clusters

NGC 231is anopen clusterin theSmall Magellanic Cloud.It is located in the constellationTucana.It was discovered on August 1, 1826 byJames Dunlop.^[4]

References

^^a ^b ^c"NASA/IPAC Extragalactic Database".Results for NGC 0231.Retrieved2016-09-02.
^^a ^b"NGC 231".SIMBAD.Centre de données astronomiques de Strasbourg.Retrieved31 December2016.
^^a ^bGatto, 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.RetrievedSeptember 15,2016.