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Home All issues Volume 658 (February 2022) A&A, 658 (2022) A34 Full HTML
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Table 4

Line parameters for the NH3 emitting component.

Source Offset NH3 (J, K) Tmb rms VLSR Δv τ N(NH3)
(′′, ′′) K K km s−1 km s−1 cm−2
W33 Main 0, 0 (3, 3)(†) 3.74 0.11 36.2(0.1) 5.8(0.1) <0.3(0.4) 2.0(±0.1) × 1014
(2, 1) 0.11 0.04 33.9(0.4) 3.4(0.8) <0.4(0.1) 1.6(±0.8) × 1013
(3, 2) 0.11 0.04 33.5(0.3) 4.4(0.8) <0.2(0.1) 1.0(±0.4) × 1013
W33 A 0, 0 (1,1) 5.18 0.28 37.5(0.1) 3.3(0.1) 3.6(0.1) 1.3(±0.1) × 1015
(2, 2) 3.62 0.15 37.6(0.1) 4.0(0.1) <0.4(0.2) 1.5(±0.1) × 1014
(3, 3) 2.48 0.13 37.6(0.0) 4.6(0.1) <0.4(0.1) 1.1(±0.1) × 1014
(4, 4) 0.50 0.06 37.7(0.1) 5.9(0.4) <0.3(0.1) 2.5(±0.3) × 1013
(5, 5) 0.24 0.06 38.5(0.2) 3.8(0.5) <0.3(0.1) 7.3(±2.2) × 1012
(6, 6) 0.21 0.06 37.9(0.3) 3.9(0.6) <0.4(0.1) 6.3(±1.8) × 1012
(2, 1) 0.48 0.07 36.1(0.2) 3.7(0.5) <0.2(0.1) 7.7(±1.4) × 1013
(3, 2) 0.18 0.07 36.4(0.4) 3.7(0.6) <0.4(0.1) 1.4(±0.5) × 1013
... (0, 0) 1.8(±0.1) × 1015
W33 B 0, 0 (1,1) 3.08 0.13 55.9(0.1) 2.5(0.1) 6.8(0.2) 1.4(±0.1) × 1015
(2, 2) 2.27 0.11 55.8(0.1) 3.1(0.1) <0.2(0.1) 7.4(±0.4) × 1013
(3, 3) 1.43 0.12 55.7(0.0) 3.8(0.1) <0.3(0.1) 5.1(±0.5) × 1013
(4, 4) 0.24 0.05 55.4(0.2) 4.9(0.6) <0.4(0.1) 1.0(±0.3) × 1013
(5, 5) 0.27 0.05 56.6(0.1) 2.7(0.3) <0.3(0.1) 5.8(±0.9) × 1012
(6, 6) 0.14 0.05 55.7(0.4) 6.3(0.6) <0.4(0.1) 6.7(±2.1) × 1012
(2, 1) 0.35 0.05 53.8(0.1) 1.9(0.4) <0.2(0.1) 2.9(±0.7) × 1013
(3, 2) 0.17 0.05 55.1(0.3) 2.8(0.7) <0.2(0.1) 1.0(±0.4) × 1013
... (0, 0) 2.8(±0.1) × 1015
W33 Main1 0, 0 (1,1) 4.11 0.08 36.6(0.1) 2.1(0.1) 5.2(0.2) 1.0(±0.1) × 1015
(2, 2) 2.21 0.06 36.7(0.1) 2.6(0.1) <0.3(0.1) 5.9(±0.2) × 1013
(3, 3) 0.97 0.06 36.7(0.1) 2.7(0.1) <0.4(0.1) 2.4(±0.2) × 1013
(4, 4) 0.16 0.04 36.5(0.2) 2.9(0.5) <0.3(0.1) 4.0(±1.5) × 1012
... (0, 0) 1.9(±0.1) × 1015
W33 A1 0, 0 (1,1) 2.92 0.12 37.2(0.1) 2.4(0.1) 4.8(0.2) 9.1(±0.7) × 1014
(2, 2) 1.63 0.10 37.2(0.1) 2.9(0.1) <0.4(0.1) 5.0(±0.5) × 1013
(3, 3) 0.65 0.09 36.9(0.1) 4.0(0.4) <0.3(0.1) 2.4(±0.4) × 1013
(4, 4) 0.14 0.04 38.2(0.4) 4.3(0.8) <0.2(0.1) 5.1(±1.6) × 1012
... (0, 0) 1.8(±0.1) × 1015
W33 B1 0, 0 (1,1) 1.28 0.13 34.2(0.1) 3.6(0.1) 3.2(0.4) 6.6(±1.2) × 1014
(2, 2) 0.66 0.06 34.2(0.1) 4.6(0.3) <0.3(0.1) 3.2(±0.5) × 1013
(3, 3) 0.30 0.06 34.8(0.3) 6.9(1.0) <0.2(0.1) 1.9(±0.5) × 1013
... (0, 0) 1.3(±0.1) × 1015

Notes. For the reference position of each W33 source, see Table 1. (†) (3,3) is the NH3 (3,3) maser line in W33 Main. The errors are derived in the same way as in Table 3. For the calculation method of the (0,0) column densities, see Sect. 3.6.

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