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Table 2

Best-fit RADEX parameters and their uncertainties determined for the observed CO SLEDs.

Parameter Minimum Maximum Median
All Sub All Sub All Sub

Tk (K)a 153 49 754 569 429 153
n(H2) (103 cm-3)a 1.1 1.9 4.5 32.4 2.2 4.5
N(CO) (1017 cm-2)a 0.4 0.9 10.7 13.5 3.4 7.6
Ω (10-1)a 0.2 0.2 4.9 2.4 1.4 0.9

P/k (105 K cm-3)b 3.6 3.6 12.6 16.0 9.5 8.7
N(CO) ⟩ (1016 cm-2)b 1.6 2.0 5.6 8.9 3.0 4.0

Notes. “All”: RADEX solutions determined using all available CO transitions (Sect. 4.2). “Sub”: RADEX solutions for CO transitions only up to J = 7–6 (Sect. 4.5).

(a)

Primary parameters.

(b)

Secondary parameters.

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