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Table 2

Bulk motion of the golden sample OCs and the two additional samples.

Cluster U0 (km/s) V0 (km/s) W0 (km/s)
Melotte 20 −2.151 220.912 0.672
Melotte 22 4.485 216.731 −6.743
Melotte 111 8.717 239.505 6.654
Blanco 1 −7.339 238.447 −1.926
NGC 2632 −31.442 224.779 −2.084
Roslund 6 0.958 238.255 1.209
NGC 7092 37.979 239.202 −5.609
NGC 1662 24.744 245.012 8.292

IC 4756 −2.977 224.138 −2.533
NGC 752 −5.331 224.813 −11.427

Notes. Column “Cluster” lists the OC names. Columns U0, V0 and W0 list the cluster members’ median velocities in the Galactocentric Cartesian coordinate system.

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