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Table 2

CO parameters.

Source n(1) V13 ΔV13 V18 ΔV18 τ13 τ18 DCO NCO(H2)
(K) (km s−1) (km s−1) (km s−1) (km s−1) (′) (1021 cm−2)
G159.2-20A1 1 10.8(5) 6.7(2) 1.99(1) 6.7(2) 1.19(1) 2.2(1) 0.40(2) 10 30.3(5)
2 5.0(2) 4.6(2) 1.15(6) 4.5(2) 1.4(5) 0.39(2) 0.028(8) 7.9 1.3(1)
G160.51-17.07 1 13.4(1) 10.4(2) 1.36(1) 10.5(2) 1.02(6) 0.720(9) 0.080(4) 7.2 6.9(1)
G165.6-09A1 1 6.9(1) −0.5(2) 1.51(6) −0.8(2) 0.6(1) 0.88(3) 0.19(3) 13 4.6(4)
G170.88-10.92 1 7.10(7) 2.8(2) 1.8(1) −6.1(9) 4(2) 0.082(5) 0.008(3) 3.2 1.5(1)
2 5.31(8) 6.1(2) 0.70(1) 6.0(2) 0.46(2) 2.05(4) 0.29(1) 12 4.6(1)
G172.8-14A1 1 7.7(1) 5.8(2) 0.98(1) 5.7(2) 0.46(1) 1.20(2) 0.29(1) 12.5 5.9(1)
2 9.1(1) 6.8(2) 0.63(1) 6.7(2) 0.54(4) 0.69(1) 0.104(6) 10.5 2.9(1)
G173.3-16A1 1 8.7(2) 6.5(2) 1.55(9) 6.3(2) 0.7(1) 0.97(5) 0.30(4) 9.4 10.6(8)
G174.06-15A1 1 10.0(1) 6.3(2) 1.29(1) 6.3(2) 0.63(2) 1.37(2) 0.282(9) 11 10.3(1)
G174.08-13.2 1 6.6(2) 5.3(2) 1.26(2) 5.3(2) 0.55(2) 1.24(6) 0.74(4) 15.8(5)
G174.4-15A1 1 4.8(1) 5.3(2) 0.93(6) 5.9(2) 1.1(5) 0.71(4) 0.09(2) 9.3 3.3(4)
2 10.1(1) 6.8(2) 1.16(3) 6.8(2) 0.55(9) 0.93(2) 0.13(1) 7 4.3(3)
G175.34-10.8 1 5.0(2) 5.5(2) 0.56(2) 5.5(2) 0.30(8) 2.3(1) 0.24(5) 8 2.4(4)
G178.98-06.7 1 8.2(2) 7.7(2) 0.80(1) 7.7(2) 0.40(1) 1.58(5) 0.41(1) 11.7 7.6(2)
G192.2-11A2 1 14.1(1) 10.1(2) 1.34(1) 10.0(2) 0.90(4) 0.89(1) 0.104(4) 5.3 8.6(2)

Notes. (1) The nth velocity components. (2) The footnotes 12, 13 and 18 represents that the parameters are for 12CO, 13CO and C18O. A number in parentheses indicates the 1σ uncertainty in the last digit.

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