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Table 6

Uncontaminated transitions of 13C methylamine in Sgr B2(N).

J Γ′ J′′ Γ′′ Frequency ηc E u μ 2 S
(MHz) (K) (K) (D2)

4 1 E2-1 4 0 E2+1 69 614.44 0.94 <0.005 24.72 5.75
2 1 E2-1 2 0 E2+1 70 741.04 0.94 <0.004 10.22 2.40
1 1 E2-1 1 0 E2+1 70 851.75 0.94 <0.003 6.06 1.27
6 1 E1-1 6 0 E1+1 73 461.33 0.93 <0.005 47.62 10.61
2 1 B2 2 0 B1 78 707.52 0.92 <0.004 10.32 3.98
3 1 E1-1 3 0 E1+1 78 740.49 0.92 <0.004 16.70 4.79
2 1 E2+1 2 0 E2+1 82 861.25 0.92 <0.003 10.80 1.58
3 1 E2+1 3 0 E2+1 83 263.42 0.92 <0.003 17.06 1.71

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