See also: Globular cluster, List of globular clusters
NGC 5986 is a globular cluster of stars in the southern constellation of Lupus, located at a distance of approximately 34 kilolight-years from the Sun.[3] It was discovered by Scottish astronomer James Dunlop on May 10, 1826. John L. E. Dreyer described it as, "a remarkable object, a globular cluster, very bright, large, round, very gradually brighter middle, stars of 13th to 15th magnitude".[8] Its prograde–retrograde orbit through the Milky Way galaxy is considered irregular and highly eccentric. It has a mean heliocentric radial velocity of +100 km/s.[4] The galacto-centric distance is 17 kly (5.2 kpc), which puts it in the galaxy's inner halo.[9]
This is relatively massive cluster has been poorly studied, at least as of 2017.[4] It is moderately concentrated, with a core radius of 28.2″ and a projected half-light radius of 58.8″. The three dimensional half-mass radius is ~78.16″.[10] The cluster has a higher metallicity – what astronomers term the abundance of elements with higher atomic number then helium – compared to most other objects of its type.[11] It may have at least 4–5 different stellar populations with distinct elemental compositions, and there is evidence that it has lost ~60–80% of its original mass.[4]
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NGC5986 is a globular cluster of stars in the southern constellation of Lupus, located at a distance of approximately 34 kilolight-years from the Sun...
"Evidence Against Dark Matter Halos Surrounding the Globular Clusters MGC1 and NGC 2419". The Astrophysical Journal. 741 (2): 72. arXiv:1010.5783. Bibcode:2011ApJ...
Bibcode:2013ApJ...767..101B. doi:10.1088/0004-637X/767/2/101. S2CID 73653979. "NGC 1841". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 16...
naked eye with an apparent visual magnitude of 4.22. (The planetary nebula NGC 6072 lies 1.4° to the east-northeast.) Based upon an annual parallax shift...
NGC 3432 is an edge-on spiral galaxy that can be found in the northern constellation of Leo Minor. It was discovered by German-British astronomer William...
NGC 5792 is a barred spiral galaxy about 70 million light-years away in the constellation Libra. There is a magnitude 9.6 star on the northwestern edge...
NGC 5822 is an open cluster of stars in the southern constellation of Lupus. It was discovered by English Astronomer John Herschel on July 3, 1836, and...
NGC 5882 is a small planetary nebula in the southern constellation of Lupus, positioned about 1.5° to the southwest of the star Epsilon Lupi. It was discovered...
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