NGC 256

NGC 256
NGC 256
	NGC 256 with DECam
Observation data (J2000 epoch)
Right ascension	00h 45m 54.11s
Declination	−73° 30′ 23.9″
Apparent magnitude (V)	12.50
Apparent dimensions (V)	0.9′ × 0.9′
Physical characteristics
Mass	1.3×103 M☉
Estimated age	83 Myr
Other designations	Kron 23, ESO 29-SC11
Associations
Constellation	Tucana
	See also: Open cluster, List of open clusters

NGC 256 (also known as ESO 29-SC11) is open cluster in the Tucana constellation. It was discovered by John Frederick William Herschel on April 11, 1834.^[3]

References

^ ^a ^b ^c ^d ^e "NGC 256". SIMBAD. Centre de données astronomiques de Strasbourg.
^ ^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 250 - 299". cseligman.com. Retrieved 12 February 2017.

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