Koposov II

Koposov 2
Koposov 2
Observation data (J2000 epoch)
Constellation	Gemini
Right ascension	07h 58m 17.0s
Declination	+26° 15′ 18.0″
Distance	113.1 kly (34.7 kpc)
Apparent magnitude (V)	17.60
Physical characteristics
Radius	approx. 3 pc (9.8 ly)
	See also: Globular cluster, List of globular clusters

Koposov 2 is a low-luminosity globular cluster in the constellation Gemini in the halo of the Milky Way galaxy. It was discovered, along with globular cluster Koposov 1 by S. Koposov et al. in 2007. Koposov 1 and Koposov 2 were described by their discoverers as the "lowest luminosity globular clusters orbiting the Milky Way," along with AM 4, Palomar 1, and Whiting 1.^[2]

References

^ ^a ^b ^c ^d "Koposov 2". Spider. Retrieved 15 February 2013.
^ ^a ^b ^c ^d Koposov, S.; de Jong, J.T.A.; Belokurov, V.; Rix, H.-W.; Zucker, D.B.; Evans, N.W.; Gilmore, G.; Irwin, M.J.; Bell, E.F. (2007). "The Discovery of Two Extremely Low Luminosity Milky Way Globular Clusters". The Astrophysical Journal. 669 (1): 337–342. arXiv:0706.0019. Bibcode:2007ApJ...669..337K. doi:10.1086/521422. S2CID 6680417.

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[spider-1] "Koposov 2". Spider. Retrieved 15 February 2013.

[journal-2] Koposov, S.; de Jong, J.T.A.; Belokurov, V.; Rix, H.-W.; Zucker, D.B.; Evans, N.W.; Gilmore, G.; Irwin, M.J.; Bell, E.F. (2007). "The Discovery of Two Extremely Low Luminosity Milky Way Globular Clusters". The Astrophysical Journal. 669 (1): 337–342. arXiv:0706.0019. Bibcode:2007ApJ...669..337K. doi:10.1086/521422. S2CID 6680417.

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