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Table 1:

Observed residual velocities of OB-associations in the stellar-gas complexes.

Region
R $V_{R~{\rm obs}}$ $V_{\theta~{\rm obs}}$ l r Associations
  kpc km s-1 km s-1 deg. kpc  
             
Sagittarius 5.6 $+9.9\pm2.4$ $-1.0\pm1.9$ 8-23 1.3-1.9 Sgr OB1, OB7, OB4, Ser OB1, OB2,
            Sct OB2, OB3;
Carina 6.5 $-5.8\pm3.3$ $+4.7\pm2.2$ 286-315 1.5-2.1 Car OB1, OB2, Cru OB1, Cen OB1,
            Coll 228, Tr 16, Hogg 16, NGC 3766, 5606;
Cygnus 6.9 $-5.0\pm2.6$ $-10.4\pm1.4$ 73-78 1.0-1.8 Cyg OB1, OB3, OB8, OB9;
Local System 7.4 $+5.3\pm2.8$ $+0.6\pm2.5$ 0-360 0.1-0.6 Per OB2, Mon OB1, Ori OB1, Vela OB2,
            Coll 121, 140, Sco OB2;
Perseus 8.4 $-6.7\pm3.0$ $-5.9\pm1.5$ 104-135 1.8-2.8 Per OB1, NGC 457, Cas OB8, OB7, OB6,
            OB5, OB4, OB2, OB1, Cep OB1;


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