Astronomy:NGC 1755

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Short description: Open cluster in the constellation Dorado
NGC 1755
NGC 1755 HST 9891 50 ACS R814 G B555.png
NGC 1755 (Hubble)
Observation data (J2000 epoch)
ConstellationDorado
Right ascension 04h 55m 16.390s[1]
Declination−68° 12′ 23.12″[1]
Distance160,000[2] ly (49,000 pc)
Apparent dimensions (V)2.6′[3]
Physical characteristics
Estimated age80[4] Myr
Other designationsESO 56-SC28
See also: Open cluster, List of open clusters

NGC 1755 (also known as ESO 56-SC28)[3] is an open star cluster in the Large Magellanic Cloud in the Dorado constellation. It is about 120 light years across and due to its size could be a globular cluster.[2] It has a diameter of 2.6′ and an apparent magnitude of 9.9.[3] It was discovered by James Dunlop in 1826.[2]

References

  1. 1.0 1.1 "NGC 1755". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+1755. 
  2. 2.0 2.1 2.2 "NGC 1755 (= an OCL in the LMC)". cseligman. http://cseligman.com/text/atlas/ngc17a.htm#1755. 
  3. 3.0 3.1 3.2 "Open cluster NGC 1755". dso-browser. http://dso-browser.com/deep-sky/2678/ngc-1755/open-cluster. 
  4. Milone, A. P.; Marino, A. F.; d'Antona, F.; Bedin, L. R.; Da Costa, G. S.; Jerjen, H.; MacKey, A. D. (2016). "Multiple stellar populations in Magellanic Cloud clusters. IV. The double main sequence of the young cluster NGC 1755". Monthly Notices of the Royal Astronomical Society 458 (4): 4368. doi:10.1093/mnras/stw608. Bibcode2016MNRAS.458.4368M. 

External links