NGC 231

NGC 231
NGC 220 (lower right), NGC 222 (middle) and NGC 231 (upper left) with DECam
Observation data (J2000 epoch)
Right ascension00h 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
Mass6.9×103[3] M☉
Estimated age87 Myr[3]
Other designationsESO 029-SC 005.[1]
Associations
ConstellationTucana
See also: Open cluster, List of open clusters

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]

  1. ^ a b c "NASA/IPAC Extragalactic Database". Results for NGC 0231. Retrieved 2016-09-02.
  2. ^ a b "NGC 231". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 31 December 2016.
  3. ^ 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.
  4. ^ "New General Catalog Objects: NGC 200 - 249". Cseligman. Retrieved September 15, 2016.