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Table 2

Integrated intensity (using Tmb scale) between 5 and 15   km   s-1, after smoothing the data to the larger HPBW (40′′ for CCH and C18O, 28′′ for c-C3H2).

IF [0′′; 0′′] [20′′; 20′′] [40′′; 40′′] [–20′′; –20′′] [–40′′; –40′′] MP2 [0′′; 40′′]

Transition Area Area Area Area Area Area
[K  km   s-1] [K  km   s-1] [K  km   s-1] [K  km   s-1] [K  km   s-1] [K  km   s-1]

C18O 2–1 14.56 15.55 15.71 15.68 13.12 13.90
C18O 5–4 13.04 13.38 13.26 12.12 11.03

CHJ=3/2−1/2, P=1−0+ [5–12](a) 1.81 1.43 0.62 1.03 0.22
CHJ=3/2−1/2, P=2−1+ [12–15](a) 1.19 0.74 0.36 0.95 0.22
CHJ=5/2−3/2 ≲0.84

CCHN=1−0, F=0−1 0.98 1.35 1.39 1.61 1.87 1.29
CCHN=3−2, Ju=5/2, F=4−3 and F=3−2 13.75 13.85 11.70 15.63 11.99 12.19
CCHN=6−5, Ju=13/2, F=7−6 and F=6−5 4.97 4.97 4.05 5.02 3.73

c-C3H2212 0.73 1.55 1.71 1.73 1.32 1.71
c-C3H2404 0.45 0.44 0.44 0.45 0.19 0.67
c-C3H2414 1.42 1.71 1.34 1.52 0.80 2.0
c-C3H2432 0.63 0.46 0.37 0.49 0.32 0.53
c-C3H2514 0.76 0.56 0.33 0.46 0.20 0.87
c-C3H2616 and 606 0.99 1.00 0.52 0.85 0.42 1.01
c-C3H2625 0.57 <0.3 <0.3 <0.3 <0.3 0.41
c-C3H2707 and 717 0.69 0.61 <0.4 0.58 <0.3 0.78

Notes.Nondetections are given at a 3σ level assuming a line width of 1  km   s-1. See Table B.1 for the spectroscopic parameters.

(a)

The numbers in brackets indicate the velocity range over which the line has been integrated to avoid self-absorption or contamination from a satellite line.

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