NGC 5999
NGC 5999 is an open cluster in the constellation Norma. Its brightest star is HIP 78355.[3] It is 5310 light-years distant and thought to be around 400 million years old.[2]
References
- 1 2 3 "NGC 5999-- Open (galactic) Cluster". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 17 August 2015.
- 1 2 3 Kharchenko, N. V.; Piskunov, A. E.; Schilbach, E.; Röser, S.; Scholz, R.-D. (2013). "Global survey of star clusters in the Milky Way. II. The catalogue of basic parameters". Astronomy and Astrophysics 558: 8. Bibcode:2013A&A...558A..53K. A53.
- ↑ Streicher, Magda (2005). "Deepsky Delights: Sparkling clusters in Norma". Monthly Notes of the Astronomical Society of Southern Africa 64 (5–6): 107–09. Bibcode:2005MNSSA..64..107S.