NGC 222

NGC 222
NGC 220 (lower right), NGC 222 (middle) and NGC 231 (upper left) with DECam
Observation data (J2000 epoch)
Right ascension00h 40m 43.7s[1]
Declination−73° 23′ 08″[1]
Distance210000 ly
Apparent magnitude (V)12.64[2]
Apparent dimensions (V)1.2′ × 1.2′[2]
Physical characteristics
Mass6.2×103[3] M☉
Estimated age83 Myr[3]
Other designationsESO 029-SC 004.[1]
Associations
ConstellationTucana
See also: Open cluster, List of open clusters

NGC 222 is an open cluster located approximately 210,000 light-years from the Sun 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 0222. Retrieved 2016-09-02.
  2. ^ a b "NGC 222". 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 10, 2016.