Koposov 1

Koposov 1
Koposov 1
Observation data (J2000 epoch)
Constellation	Virgo
Right ascension	11h 59m 18.05s[1]
Declination	+12° 15′ 36.0″[1]
Distance	157.5 kly (48.3 kpc)[1]
Apparent magnitude (V)	14.20[1]
Physical characteristics
Radius	approx. 3 pc (9.8 ly)[2]

Koposov 1 is a low-luminosity globular cluster in the constellation Virgo in the halo of the Milky Way galaxy. It was discovered, along with globular cluster Koposov 2 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

"Koposov 1". Spider. Retrieved 15 February 2013.
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 1". 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.