NGC 2009

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NGC 2009
NGC 2009 DSS.jpg
The open cluster NGC 2009
Observation data (J2000 epoch)
Right ascension 05h 30m 48s
Declination −69° 09 49
Distance 2,934  ly (900  pc)
Apparent magnitude  (V)11 [1]
Physical characteristics
Associations
Constellation Dorado
See also: Open cluster, List of open clusters

NGC 2009 (also known as ESO 56-140) is a small open cluster located in the Dorado constellation. It was discovered by British astronomer John Herschel on November 3, 1834 with a visual magnitude of 11.02, being visible with a telescope having an aperture of 6 inches (150mm) or more. [2] It is located in the Large Magellanic Cloud and is estimated to be between 45 and 50 light years across. [3]

References

  1. Tadross, A. L. (2011). "A catalog of 120 NGC open star clusters". Journal of the Korean Astronomical Society. 44 (1). arXiv: 1108.2134 . doi:10.5303/JKAS.2011.44.1.1.
  2. "NGC 2009 - Open Cluster in Dorado | TheSkyLive.com". theskylive.com. Retrieved 2025-04-28.
  3. "New General Catalog Objects: NGC 2000 - 2049". cseligman.com. Retrieved 2025-04-28.
  4. Seligman, Courtney. "NGC 7093". Celestial Atlas. Retrieved 2014-08-30.