Proper motion dispersions in Kuijken & Rich (2002).
|(mas yr-1)||(mas yr-1)|
|BW||15 862||113||-377||2.98 ± 0.02||2.54 ± 0.01|
|Sgr-I||20 234||125||-265||3.24 ± 0.02||2.77 ± 0.01|
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