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NGC 1858

Summary

NGC 1858 (also known as ESO 56-SC74) is a bright, large, irregular open cluster and emission nebula. It is found in the Dorado constellation. It is located in the Large Magellanic Cloud. It was first discovered by James Dunlop on August 3, 1826, and was first recorded as Dunlop 120. John Herschel recorded it on November 2, 1834. However, at the time, he did not associate it with Dunlop 120. Astronomers have now realised that Dunlop 120 and NGC 1858 are the same object.[2]

NGC 1858
The open cluster NGC 1858
Observation data (J2000 epoch)
Right ascension05h 09m 51.9s[1]
Declination−68° 53′ 28″[1]
Apparent magnitude (V)9.9 (visible) 9.8 (B-Band)[2]
Physical characteristics
Estimated age8 million[3]
Other designationsESO 56-SC74, Dunlop 120
Associations
ConstellationDorado
See also: Open cluster, List of open clusters

See also edit

References edit

  1. ^ a b "NED results for object NGC 1858". NASA/IPAC EXTRAGALACTIC DATABASE. Retrieved 8 October 2017.
  2. ^ a b "NGC 1858 (= an OCL and EN in the LMC)". cseligman. Retrieved 8 October 2017.
  3. ^ Vallenari, A.; Aparicio, A.; Fagotto, F.; Chiosi, C.; Ortolani, S.; Meylan, G. (1994). "Active star formation regions at the edge of the LMC Bar: NGC 1850 and NGC 1858". Astronomy and Astrophysics. 284: 447. Bibcode:1994A&A...284..447V.

External links edit

  •   Media related to NGC 1858 at Wikimedia Commons