Astronomy:NGC 256
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Short description: Open cluster in the constellation Tucana
| NGC 256 | |
|---|---|
 NGC 256 with DECam | |
| Observation data (J2000 epoch) | |
| Constellation | Tucana |
| Right ascension | 00h 45m 54.11s[1] |
| Declination | −73° 30′ 23.9″[1] |
| Apparent magnitude (V) | 12.50[1] |
| Apparent dimensions (V) | 0.9′ × 0.9′[1] |
| Physical characteristics | |
| Mass | 1.3×103[2] M☉ |
| Estimated age | 83 Myr[2] |
| Other designations | Kron 23, ESO 29-SC11[1] |
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
- ↑ 1.0 1.1 1.2 1.3 1.4 "NGC 256". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+256.
- ↑ 2.0 2.1 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 250 - 299". http://cseligman.com/text/atlas/ngc2a.htm#256.
External links
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