The globular cluster system of NGC 6822
Veljanoski, J.; Ferguson, A. M. N.; Mackey, Alasdair; Huxor, A; Hurley, Jarrod; Bernard, E.J; Cote, P; Irwin, M. J.; Martin, N F; Burgett, William; Chambers, K C; Flewelling, H A; Kudritzki, Rolf-Peter; Waters, C.
We present a comprehensive analysis of the globular cluster (GC) system of the Local Group dwarf irregular galaxy NGC 6822. Our study is based on homogeneous optical and near-IR photometry, as well as long-slit spectroscopic observations which are used to determine new radial velocities for six GCs, two of which had no previous spectroscopic information. We construct optical-near-IR colour-colour diagrams and through comparison to simple stellar population models infer that the GCs have old...[Show more]
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|Source:||Monthly Notices of the Royal Astronomical Society|
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