Table 2: NaI absorption line best-fit parameters (stars listed by increasing distance).

Star
V1 $\it b$1 N1 V2 $\it b$2 N2 V3 $\it b_{3}$ N3 V4 $\it b$4 N4
  km s-1   (1011 cm-2) km s-1   (1011 cm-2) km s-1   (1011 cm-2) km s-1   (1011 cm-2)

HD 157042
            -3.9 3.3 $13.5 \pm 1.5$      
HD 157243             -1.7 0.9 $24.7 \pm 3.2$      
HD 158042             -1.8 1.3 $26.1 \pm 5.8$      
HD 157698             -3.1 3.3 $25.9 \pm 3.2$      
HD 157832       -9.6 1.7 $21.3\pm8.6$ +0.8 2.3 $13.2\pm2.1$      
HD 156575       -13.0 1.2 $200.0\pm15$ -1.4 2.8 $105.5\pm15$      
HD 156385 -45.4 1.5 $0.75\pm0.2$ -17.5 1.7 $22.8\pm7.2$ -3.5 3.3 $87.5\pm10$ +3. 3 0.9 $105\pm15$


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