# NGC 5986

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Globular cluster in the constellation Lupus

NGC 5986 NGC 5986 by Hubble Space Telescope; 3.5′ view Observation data (J2000 epoch) Class VII[1] Constellation Lupus Right ascension 15h 46m 03.00s[2] Declination –37° 47′ 11.1″[2] Distance 33.9 kly (10.4 kpc)[3] Apparent magnitude (V) 8.0 Apparent dimensions (V) 5' Physical characteristics Absolute magnitude −8.44[4] Mass 5.99×105[3] M☉ Metallicity [Fe/H] = −1.35[5] dex Estimated age 12.16 Gyr[5] Other designations ESO 329-SC 018, NGC 5986[6][7] See also: Globular cluster, List of globular clusters

**NGC 5986** is a [globular cluster](/source/Globular_cluster) of stars in the southern [constellation](/source/Constellation) of [Lupus](/source/Lupus_(constellation)), located at a distance of approximately 34 [kilolight-years](/source/Light-year#Definitions) from the [Sun](/source/Sun).[3] It was discovered by Scottish astronomer [James Dunlop](/source/James_Dunlop) on May 10, 1826. [John L. E. Dreyer](/source/John_Louis_Emil_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](/source/Milky_Way) galaxy is considered irregular and highly eccentric. It has a mean heliocentric [radial velocity](/source/Radial_velocity) of +100 km/s.[4] The galacto-centric distance is 17 [kly](/source/Light-year#Definitions) (5.2 [kpc](/source/Parsec#Parsecs_and_kiloparsecs)), 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](/source/Core_radius) of 28.2[″](/source/Second_of_arc) 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](/source/Metallicity) – what astronomers term the abundance of elements with higher [atomic number](/source/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]

## Further reading

- Alves, David R.; et al. (January 2001). "CCD Photometry of the Globular Cluster NGC 5986 and Its Post-Asymptotic Giant Branch and RR Lyrae Stars". *The Astronomical Journal*. **121** (1): 318–326. [arXiv](/source/ArXiv_(identifier)):[astro-ph/0010095](https://arxiv.org/abs/astro-ph/0010095). [Bibcode](/source/Bibcode_(identifier)):[2001AJ....121..318A](https://ui.adsabs.harvard.edu/abs/2001AJ....121..318A). [doi](/source/Doi_(identifier)):[10.1086/318030](https://doi.org/10.1086%2F318030). [S2CID](/source/S2CID_(identifier)) [119093584](https://api.semanticscholar.org/CorpusID:119093584).

## References

1. **[^](#cite_ref-hcob849_11_1-0)** Shapley, Harlow; Sawyer, Helen B. (August 1927), "A Classification of Globular Clusters", *Harvard College Observatory Bulletin*, **849** (849): 11–14, [Bibcode](/source/Bibcode_(identifier)):[1927BHarO.849...11S](https://ui.adsabs.harvard.edu/abs/1927BHarO.849...11S).

1. ^ [***a***](#cite_ref-aj140_6_1830_2-0) [***b***](#cite_ref-aj140_6_1830_2-1) Goldsbury, Ryan; et al. (December 2010), "The ACS Survey of Galactic Globular Clusters. X. New Determinations of Centers for 65 Clusters", *The Astronomical Journal*, **140** (6): 1830–1837, [arXiv](/source/ArXiv_(identifier)):[1008.2755](https://arxiv.org/abs/1008.2755), [Bibcode](/source/Bibcode_(identifier)):[2010AJ....140.1830G](https://ui.adsabs.harvard.edu/abs/2010AJ....140.1830G), [doi](/source/Doi_(identifier)):[10.1088/0004-6256/140/6/1830](https://doi.org/10.1088%2F0004-6256%2F140%2F6%2F1830), [S2CID](/source/S2CID_(identifier)) [119183070](https://api.semanticscholar.org/CorpusID:119183070).

1. ^ [***a***](#cite_ref-apj742_1_51_3-0) [***b***](#cite_ref-apj742_1_51_3-1) [***c***](#cite_ref-apj742_1_51_3-2) Boyles, J.; et al. (November 2011), "Young Radio Pulsars in Galactic Globular Clusters", *The Astrophysical Journal*, **742** (1): 51, [arXiv](/source/ArXiv_(identifier)):[1108.4402](https://arxiv.org/abs/1108.4402), [Bibcode](/source/Bibcode_(identifier)):[2011ApJ...742...51B](https://ui.adsabs.harvard.edu/abs/2011ApJ...742...51B), [doi](/source/Doi_(identifier)):[10.1088/0004-637X/742/1/51](https://doi.org/10.1088%2F0004-637X%2F742%2F1%2F51), [S2CID](/source/S2CID_(identifier)) [118649860](https://api.semanticscholar.org/CorpusID:118649860).

1. ^ [***a***](#cite_ref-Johnson2017_4-0) [***b***](#cite_ref-Johnson2017_4-1) [***c***](#cite_ref-Johnson2017_4-2) [***d***](#cite_ref-Johnson2017_4-3) Johnson, Christian I.; et al. (June 2017). ["Chemical Complexity in the Eu-enhanced Monometallic Globular NGC 5986"](https://doi.org/10.3847%2F1538-4357%2Faa7414). *The Astrophysical Journal*. **842** (1): 21. [arXiv](/source/ArXiv_(identifier)):[1705.10840](https://arxiv.org/abs/1705.10840). [Bibcode](/source/Bibcode_(identifier)):[2017ApJ...842...24J](https://ui.adsabs.harvard.edu/abs/2017ApJ...842...24J). [doi](/source/Doi_(identifier)):[10.3847/1538-4357/aa7414](https://doi.org/10.3847%2F1538-4357%2Faa7414). [S2CID](/source/S2CID_(identifier)) [119279995](https://api.semanticscholar.org/CorpusID:119279995). 24.{{[cite journal](https://en.wikipedia.org/wiki/Template:Cite_journal)}}: CS1 maint: multiple names: authors list ([link](https://en.wikipedia.org/wiki/Category:CS1_maint:_multiple_names:_authors_list))

1. ^ [***a***](#cite_ref-mnras404_3_1203_5-0) [***b***](#cite_ref-mnras404_3_1203_5-1) Forbes, Duncan A.; Bridges, Terry (May 2010), "Accreted versus in situ Milky Way globular clusters", *[Monthly Notices of the Royal Astronomical Society](/source/Monthly_Notices_of_the_Royal_Astronomical_Society)*, **404** (3): 1203–1214, [arXiv](/source/ArXiv_(identifier)):[1001.4289](https://arxiv.org/abs/1001.4289), [Bibcode](/source/Bibcode_(identifier)):[2010MNRAS.404.1203F](https://ui.adsabs.harvard.edu/abs/2010MNRAS.404.1203F), [doi](/source/Doi_(identifier)):[10.1111/j.1365-2966.2010.16373.x](https://doi.org/10.1111%2Fj.1365-2966.2010.16373.x), [S2CID](/source/S2CID_(identifier)) [51825384](https://api.semanticscholar.org/CorpusID:51825384).

1. **[^](#cite_ref-ned_6-0)** ["NASA/IPAC Extragalactic Database"](http://nedwww.ipac.caltech.edu/). *Results for NGC 5986*. Retrieved 2007-04-06.

1. **[^](#cite_ref-SIMBAD_7-0)** ["NGC 5986"](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+5986). *[SIMBAD](/source/SIMBAD)*. [Centre de données astronomiques de Strasbourg](/source/Centre_de_donn%C3%A9es_astronomiques_de_Strasbourg). Retrieved 2020-02-25.

1. **[^](#cite_ref-cseligman_8-0)** Seligman, Courtney. ["New General Catalogue objects: NGC 5950 - 5999"](https://cseligman.com/text/atlas/ngc59a.htm#5986). *cseligman.com*. Retrieved 2020-09-20.

1. **[^](#cite_ref-Ortolani2000_9-0)** Ortolani, S.; et al. (October 2000). "Colour-magnitude diagrams of the inner halo globular clusters NGC 5986 and NGC 6712". *Astronomy and Astrophysics*. **362**: 953–958. [Bibcode](/source/Bibcode_(identifier)):[2000A&A...362..953O](https://ui.adsabs.harvard.edu/abs/2000A&A...362..953O).

1. **[^](#cite_ref-Lanzoni2018_10-0)** Lanzoni, B.; et al. (September 2018), "The ESO Multi-instrument Kinematic Survey (MIKiS) of Galactic Globular Clusters: Solid-body Rotation and Anomalous Velocity Dispersion Profile in NGC 5986", *The Astrophysical Journal*, **865** (1): 9, [arXiv](/source/ArXiv_(identifier)):[1808.01194](https://arxiv.org/abs/1808.01194), [Bibcode](/source/Bibcode_(identifier)):[2018ApJ...865...11L](https://ui.adsabs.harvard.edu/abs/2018ApJ...865...11L), [doi](/source/Doi_(identifier)):[10.3847/1538-4357/aad810](https://doi.org/10.3847%2F1538-4357%2Faad810), [S2CID](/source/S2CID_(identifier)) [119414659](https://api.semanticscholar.org/CorpusID:119414659), 11.

1. **[^](#cite_ref-Bidin2009_11-0)** Moni Bidin, C.; et al. (May 2009). "A lack of close binaries among hot horizontal branch stars in globular clusters. M 80 and NGC 5986". *Astronomy and Astrophysics*. **498** (3): 737–751. [arXiv](/source/ArXiv_(identifier)):[0903.2072](https://arxiv.org/abs/0903.2072). [Bibcode](/source/Bibcode_(identifier)):[2009A&A...498..737M](https://ui.adsabs.harvard.edu/abs/2009A&A...498..737M). [doi](/source/Doi_(identifier)):[10.1051/0004-6361/200810579](https://doi.org/10.1051%2F0004-6361%2F200810579). [S2CID](/source/S2CID_(identifier)) [16080323](https://api.semanticscholar.org/CorpusID:16080323).

Wikimedia Commons has media related to [NGC 5986](https://commons.wikimedia.org/wiki/Category:NGC_5986).

## External links

- Media related to [NGC 5986](https://commons.wikimedia.org/wiki/Category:NGC_5986) at Wikimedia Commons

- NGC 5986 on [WikiSky](/source/WikiSky): [DSS2](http://www.wikisky.org/?object=NGC+5986&img_source=DSS2), [SDSS](http://www.wikisky.org/?object=NGC+5986&img_source=SDSS), [GALEX](http://www.wikisky.org/?object=NGC+5986&img_source=GALEX), [IRAS](http://www.wikisky.org/?object=NGC+5986&img_source=IRAS), [Hydrogen α](http://www.wikisky.org/?object=NGC+5986&img_source=HALPHA), [X-Ray](http://www.wikisky.org/?object=NGC+5986&img_source=RASS), [Astrophoto](http://www.wikisky.org/?object=NGC+5986&img_source=IMG_all), [Sky Map](http://www.wikisky.org/?object=NGC+5986), [Articles and images](http://www.wikisky.org/starview?object=NGC+5986)

v t e New General Catalogue 5001 to 6000 5001 to 5100 5001 5002 5003 5004 5005 5008 5010 5011 5018 5020 5023 5024 5026 5030 5032 5033 5034 5042 5050 5053 5054 5055 5068 5078 5084 5085 5087 5090 5091 5098 5101 to 5200 5101 5102 5112 5114 5121 5128 5135 5139 5144 5161 5162/5174 5164 5170 5177 5185 5189 5194 5195 5198 5201 to 5300 5201 5204 5221 5223 5229 5235 5236 5238 5247 5248 5251 5252 5253 5256 5257 5258 5260 5264 5272 5273 5278 5279 5281 5286 5291 5300 5301 to 5400 5307 5308 5314 5315 5316 5322 5331 5334 5335 5343 5363 5364/5317 5371 5377 5384 5390 5394 5395 5398 5401 to 5500 5406 5408 5410 5416 5419 5422 5426 and 5427 5448 5455 5457 5460 5461 5466 5468 5470 5471 5473 5474 5475 5477 5483 5485 5486 5490 5493 5495 5500 5501 to 5600 5501 5502/5503 5504 5506 5508 5514 5516 5523 5529 5530 5532 5533 5535 5539 5541 5544 5545 5548 5557 5559 5566 5575/5578 5579 5582 5584 5585 5591 5597 5601 to 5700 5601 5605 5609 5613 5614 5615 5617 5619 5626 5629 5630 5634 5640 5641 5643 5653 5662 5665 5668 5676 5678 5679 5682 5683 5694 5701 to 5800 5701 5705 5713 5714 5719/5658 5722 5728 5746 5749 5750 5752 5753 5754 5755 5765 5772 5774 5775 5777 5778 5784 5790 5792 5793 5801 to 5900 5806 5820 5821 5822 5823 5824 5829 5837 5838 5844 5846 5850 5854 5856 5857 5861 5866 5875 5876 5879 5882 5885 5886 5890 5896 5897 5898 5901 to 6000 5904 5906 5907 5910 5915 5917 5920 5921 5925 5927 5928 5929 5930 5936 5939 5940 5949 5953 5957 5962 5963 5964 5965 5966 5970 5979 5980 5982 5985 5986 5988 5996 5999 6000 Astronomical catalog List of NGC objects 5001–6000

v t e Constellation of Lupus List of stars in Lupus Lupus in Chinese astronomy Stars Bayer α (Uridim) β γ δ ε ζ η θ ι κ λ μ ν1 ν2 ξ ο π ρ σ τ1 τ2 υ φ1 φ2 χ ψ1 ψ2 ω Flamsteed 1 (i) 2 (f) Variable RU EX GG GQ HR II IL IM KT (d) V407 V462 HR 5362 5364 5401 5651 (e) 5724 (k) 5825 (g) 5943 5967 HD 134004 135344 136164 141943 142527 143811 Other Gliese 588 HIP 70849 Lupus-TR-3 SSSPM J1549−3544 WASP-132 Exoplanets GQ Lupi b HIP 70849 b Lupus-TR-3b WASP-178b Star clusters NGC 5749 NGC 5822 NGC 5824 NGC 5927 NGC 5986 Nebulae IC 4406 NGC 5882 Galaxies IC 4444 NGC 5530 NGC 5643 Astronomical events SN 1006 Category

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Adapted from the Wikipedia article [NGC 5986](https://en.wikipedia.org/wiki/NGC_5986) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/NGC_5986?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.