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Table 5

Total beam averaged column densities (in cm-2) for CO, HCO+, HCN, and CS derived using single transitions for a range of temperature assuming LTE and optically thin emission for the CND components, as well as for the SB ring.

T(K) E Knot W Knot AGN CND-N CND-S SB ring

CO J = 1–0
50.0 1.4(18) 1.2(18) 7.5(17) 4.9(17) 7.2(17) 2.8(17)
100.0 2.7(18) 2.3(18) 1.4(18) 9.3(17) 1.4(18) 5.3(17)
150.0 4.0(18) 3.4(18) 2.1(18) 1.4(18) 2.0(18) 7.7(17)
200.0 5.3(18) 4.4(18) 2.8(18) 1.8(18) 2.6(18) 1.0(18)
250.0 6.6(18) 5.5(18) 3.4(18) 2.2(18) 3.3(18) 1.3(18)

CO J = 2–1
50.0 1.1(18) 6.2(17) 5.8(17) 4.2(17) 3.6(17)
100.0 2.7(18) 1.0(18) 9.9(17) 7.1(17) 6.2(17)
150.0 2.7(18) 1.5(18) 1.4(18) 1.0(18) 8.7(17)
200.0 3.5(18) 1.9(18) 1.8(18) 1.3(18) 1.1(18)
250.0 4.3(18) 2.4(18) 2.2(18) 1.6(18) 1.4(18)

CO J = 3–2
50.0 1.1(18) 7.4(17) 4.2(17) 3.9(17) 2.0(17) 7.5(16)
100.0 1.6(18) 1.1(18) 6.1(17) 5.6(17) 2.9(17) 1.1(17)
150.0 2.1(18) 1.4(18) 8.2(17) 7.5(17) 3.9(17) 1.4(17)
200.0 2.7(18) 1.8(18) 1.0(18) 9.4(17) 4.9(17) 1.8(17)
250.0 3.2(18) 2.2(18) 1.2(18) 1.1(18) 5.9(17) 2.2(17)

CO J = 6–5
50.0 1.7(18) 5.8(17) 6.3(17) 4.8(17) 2.3(17)
100.0 1.0(18) 3.6(17) 4.0(17) 3.0(17) 1.4(17)
150.0 1.1(18) 3.7(17) 4.0(17) 3.1(17) 1.4(17)
200.0 1.2(18) 4.0(17) 4.4(17) 3.4(17) 1.6(17)
250.0 1.3(18) 4.5(17) 5.0(17) 3.8(17) 1.8(17)

HCO+J = 1–0
50.0 1.3(15) 7.4(14) 4.8(14) 5.6(14) 2.9(14) 6.4(13)
100.0 2.4(15) 1.4(15) 9.2(14) 1.1(15) 5.5(14) 1.2(14)
150.0 3.6(15) 2.1(15) 1.4(15) 1.6(15) 8.2(14) 1.8(14)
200.0 4.8(15) 2.8(15) 1.8(15) 2.1(15) 1.1(15) 2.4(14)
250.0 5.9(15) 3.5(15) 2.2(15) 2.6(15) 1.3(15) 3.0(14)

HCO+J = 4–3
50.0 1.1(14) 3.5(13) 3.5(13) 2.5(13) 1.2(13) 9.5(11)
100.0 1.4(14) 4.6(13) 4.6(13) 3.2(13) 1.5(13) 1.2(12)
150.0 1.8(14) 6.0(13) 6.0(13) 4.2(13) 2.0(13) 1.6(12)
200.0 2.2(14) 7.4(13) 7.4(13) 5.2(13) 2.5(13) 2.0(12)
250.0 2.7(14) 8.8(13) 8.8(13) 6.2(13) 3.0(13) 2.4(12)

HCN J = 1–0
50.0 1.3(16) 7.5(15) 4.7(15) 5.0(15) 2.3(15) 3.2(14)
100.0 2.5(16) 1.4(16) 9.0(15) 9.6(15) 4.4(15) 6.1(14)
150.0 3.7(16) 2.1(16) 1.3(16) 1.4(16) 6.5(15) 9.0(14)
200.0 5.0(16) 2.8(16) 1.8(16) 1.9(16) 8.6(15) 1.2(15)
250.0 6.2(16) 3.5(16) 2.3(16) 2.4(16) 1.1(16) 1.5(15)

HCN J = 4–3
50.0 4.6(14) 1.7(14) 1.3(14) 9.4(13) 5.5(13) 1.6(12)
100.0 6.0(14) 2.2(14) 1.6(14) 1.2(14) 7.1(13) 2.1(12)
150.0 7.8(14) 2.9(14) 2.1(14) 1.6(14) 9.3(13) 2.7(12)
200.0 9.7(14) 3.6(14) 2.7(14) 2.0(14) 1.2(14) 3.4(12)
250.0 1.2(15) 4.3(14) 3.2(14) 2.4(14) 1.4(14) 4.1(12)

CS J = 2–1
50.0 3.3(14) 3.7(14) 3.8(14) 3.8(14) 2.6(14) 1.0(12)
100.0 6.2(14) 6.8(14) 7.0(14) 7.0(14) 4.9(14) 1.9(13)
150.0 9.1(14) 5.0(14) 1.0(15) 1.0(15) 7.2(14) 2.8(13)
200.0 1.2(15) 1.3(15) 1.4(15) 1.4(15) 9.4(14) 3.7(13)
250.0 1.5(15) 1.6(15) 1.7(15) 1.7(15) 1.2(15) 4.5(13)
300.0 1.8(15) 1.9(15) 2.0(15) 2.0(15) 1.4(15)

CS J = 7–6
50.0 2.4(13) 1.5(13) 5.2(13) 2.2(13) 2.0(13)
100.0 2.4(13) 1.5(13) 5.4(13) 2.3(13) 2.0(13)
150.0 3.0(13) 1.9(13) 6.5(13) 2.7(13) 2.5(13)
200.0 3.5(13) 2.2(13) 7.7(13) 3.2(13) 2.9(13)
250.0 4.1(13) 2.6(13) 9.0(13) 3.8(13) 3.4(13)

Notes. The transitions observed with ALMA were degraded to a resolution of ~100 pc. a(b) Stands for a × 10b.

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