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Table A.2

HC3N parameters from Gaussian fits.

Transition Plateau High-velocity plateau Hot core Compact ridge Extended ridge 20.5 km s-1 component
JJ v LSR ΔV T MB V LSR ΔV T MB V LSR ΔV T MB V LSR ΔV T MB V LSR ΔV T MB V LSR ΔV T MB

9–8 6.0 ± 0.9 23 ± 1 2.73 ... ... ... 5.0 ± 0.8 8.7 ± 0.1 1.91 ... ... ... 9 ± 1 3.66 ± 0.01 2.74 ... ... ...
10–9 6.0 ± 0.9 24 ± 2 2.70 ... ... ... 5.0 ± 0.8 9.0 ± 0.2 3.69 ... ... ... 9 ± 1 3.64 ± 0.03 2.86 21 ± 4 7.2 ± 0.2 0.53
11–10 5.8 ± 0.8 22 ± 3 4.69 ... ... ... 3.0 ± 0.5 11.2 ± 0.8 3.24 ... ... ... 9 ± 1 3.03 ± 0.09 3.51 21 ± 4 7.5 ± 0.3 0.33
12–11 5.8 ± 0.8 25 ± 2 1.57 10 ± 1 30 ± 9 1.82 4.5 ± 0.7 11.3 ± 0.1 5.06 ... ... ... 9 ± 1 2.9 ± 0.5 3.75 21 ± 4 6.8 ± 0.6 0.15
15–14 5.8 ± 0.8 25 ± 6 3.20 9 ± 1 27 ± 8 2.66 4.5 ± 0.7 11.0 ± 0.5 5.13 ... ... ... 9 ± 1 3.7 ± 0.4 5.06 21 ± 4 7.6 ± 0.3 0.48
16–15 5.8 ± 0.8 24 ± 4 5.27 9 ± 1 27 ± 3 3.23 5.5 ± 0.8 11.8 ± 0.2 5.66 ... ... ... 9 ± 1 2.7 ± 0.2 5.66 21 ± 4 7.3 ± 0.2 0.61
17–16 6.0 ± 0.9 21 ± 5 5.56 10 ± 2 27 ± 3 3.31 4.0 ± 0.6 10.5 ± 0.1 7.62 ... ... ... 9 ± 1 3.07 ± 0.08 5.81 21 ± 4 7.4 ± 0.3 0.19
18–17 6.0 ± 0.9 22 ± 3 5.58 10 ± 2 27 ± 8 3.38 4.0 ± 0.6 11.8 ± 0.2 8.45 8 ± 1 3.69 ± 0.06 4.08 ... ... ... 21 ± 4 7.0 ± 0.4 0.52
19–18 6.0 ± 0.9 23 ± 5 5.71 10 ± 2 31 ± 2 3.42 3.5 ± 0.5 11.2 ± 0.3 10.42 8 ± 1 3.7 ± 0.4 4.24 ... ... ... 21 ± 4 7.5 ± 0.2 0.82
22–21 6.0 ± 0.9 20 ± 4 5.20 10 ± 2 31 ± 5 1.84 3.5 ± 0.5 11.4 ± 0.4 7.64 8 ± 1 3.5 ± 0.5 3.64 ... ... ... ... ... ...
23–22 5.8 ± 0.8 25 ± 7 6.77 ... ... ... 5.0 ± 0.8 11.1 ± 0.5 11.77 8 ± 1 2.5 ± 0.9 2.30 ... ... ... ... ... ...
24–23 5.8 ± 0.8 25 ± 7 6.17 ... ... ... 3.8 ± 0.6 11.9 ± 0.8 13.16 ... ... ... ... ... ... 21 ± 4 6.9 ± 0.4 1.82
25–24 5.8 ± 0.8 27 ± 9 7.12 ... ... ... 4.0 ± 0.6 10.7 ± 0.9 16.03 ... ... ... ... ... ... 21 ± 4 7.5 ± 0.3 1.05
27–26 5.8 ± 0.8 27 ± 9 8.01 ... ... ... 4.3 ± 0.6 11.0 ± 0.9 16.36 ... ... ... ... ... ... 20 ± 4 7.0 ± 0.2 2.74
30–29 5.8 ± 0.8 26 ± 8 8.80 ... ... ... 4.0 ± 0.6 11.5 ± 0.5 13.60 ... ... ... ... ... ... 20 ± 4 7.7 ± 0.3 2.78

Notes. The fit errors are provided by CLASS. VLSR is the LSR central velocity, ΔV is the line width, and TMB is the main-beam temperature. The units of VLSR, ΔV, and TMB are (km s-1), (km s-1), and (K) throughout.

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