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NGC 231

From Wikipedia, the free encyclopedia
NGC231
NGC 220(lower right),NGC 222(middle) and NGC 231 (upper left) withDECam
Observation data (J2000epoch)
Right ascension00h41m06.4s[1]
Declination−73° 21′ 09″[1]
Distance~210000
Apparent magnitude(V)12.87[2]
Apparent dimensions (V)1.8× 1.8[2]
Physical characteristics
Mass6.9×103[3]M
Estimated age87 Myr[3]
Other designationsESO029-SC 005.[1]
Associations
ConstellationTucana
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

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  1. ^abc"NASA/IPAC Extragalactic Database".Results for NGC 0231.Retrieved2016-09-02.
  2. ^ab"NGC 231".SIMBAD.Centre de données astronomiques de Strasbourg.Retrieved31 December2016.
  3. ^abGatto, 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.
  4. ^"New General Catalog Objects: NGC 200 - 249".Cseligman.RetrievedSeptember 15,2016.