A possible relation between global CO excitation and massive molecular outflows in local ULIRGs

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Volume 686 (June 2024)

A&A, 686 (2024) A47

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Table 3.

Molecular gas properties derived from the single-component MCMC fit to the CO SLEDs of our sample of ULIRGs.

Source	log(n_H₂)		log(T_kin)		log(N_CO/dv)
	log(cm⁻³)		log(K)		log(cm⁻² km s⁻¹)
	med_±1σ	max_post	med_±1σ	max_post	med_±1σ	max_post
F01572	$2 . 74_{- 0.43}^{+ 0.53}$ $2.74^{+0.53}_{-0.43}$	2.65	$2 . 10_{- 0.56}^{+ 0.62}$ $2.10^{+0.62}_{-0.56}$	2.70	$16 . 78_{- 0.45}^{+ 0.79}$ $16.78^{+0.79}_{-0.45}$	16.40
03521	$2 . 58_{- 0.71}^{+ 0.79}$ $2.58^{+0.79}_{-0.71}$	2.34	$1 . 88_{- 0.53}^{+ 0.68}$ $1.88^{+0.68}_{-0.53}$	2.43	$17 . 14_{- 0.49}^{+ 0.86}$ $17.14^{+0.86}_{-0.49}$	17.13
F05189	$2 . 05_{- 0.08}^{+ 0.12}$ $2.05^{+0.12}_{-0.08}$	2.01	$2 . 91_{- 0.15}^{+ 0.07}$ $2.91^{+0.07}_{-0.15}$	2.97	$17 . 20_{- 0.06}^{+ 0.07}$ $17.20^{+0.07}_{-0.06}$	17.17
06035	$3 . 28_{- 0.85}^{+ 1.01}$ $3.28^{+1.01}_{-0.85}$	3.45	$1 . 43_{- 0.12}^{+ 0.16}$ $1.43^{+0.16}_{-0.12}$	1.47	$17 . 94_{- 0.68}^{+ 0.78}$ $17.94^{+0.78}_{-0.68}$	17.78
06206	$5 . 85_{- 1.43}^{+ 1.13}$ $5.85^{+1.13}_{-1.43}$	6.50	$1 . 17_{- 0.06}^{+ 0.08}$ $1.17^{+0.08}_{-0.06}$	1.13	$18 . 71_{- 0.82}^{+ 0.56}$ $18.71^{+0.56}_{-0.82}$	19.12
08311	$2 . 63_{- 0.27}^{+ 0.42}$ $2.63^{+0.42}_{-0.27}$	2.37	$2 . 64_{- 0.51}^{+ 0.26}$ $2.64^{+0.26}_{-0.51}$	2.90	$17 . 23_{- 0.19}^{+ 0.15}$ $17.23^{+0.15}_{-0.19}$	17.26
09022	$3 . 02_{- 0.63}^{+ 0.95}$ $3.02^{+0.95}_{-0.63}$	2.63	$1 . 69_{- 0.39}^{+ 0.68}$ $1.69^{+0.68}_{-0.39}$	2.36	$17 . 41_{- 0.19}^{+ 0.98}$ $17.41^{+0.98}_{-0.19}$	17.39
10378	$5 . 75_{- 1.51}^{+ 1.22}$ $5.75^{+1.22}_{-1.51}$	4.35	$2 . 05_{- 0.27}^{+ 0.35}$ $2.05^{+0.35}_{-0.27}$	2.23	$18 . 81_{- 0.71}^{+ 0.49}$ $18.81^{+0.49}_{-0.71}$	18.32
F12112	$2 . 67_{- 0.07}^{+ 0.11}$ $2.67^{+0.11}_{-0.07}$	2.62	$2 . 85_{- 0.23}^{+ 0.11}$ $2.85^{+0.11}_{-0.23}$	2.96	$16 . 26_{- 0.27}^{+ 0.27}$ $16.26^{+0.27}_{-0.27}$	16.15
F13451	$2 . 41_{- 0.67}^{+ 0.89}$ $2.41^{+0.89}_{-0.67}$	2.21	$1 . 43_{- 0.36}^{+ 0.63}$ $1.43^{+0.63}_{-0.36}$	1.67	$17 . 15_{- 0.67}^{+ 0.76}$ $17.15^{+0.76}_{-0.67}$	17.19
16090	$2 . 73_{- 0.54}^{+ 2.17}$ $2.73^{+2.17}_{-0.54}$	4.67	$2 . 08_{- 0.31}^{+ 0.21}$ $2.08^{+0.21}_{-0.31}$	1.81	$18 . 80_{- 1.38}^{+ 0.38}$ $18.80^{+0.38}_{-1.38}$	17.43
17208	$2 . 30_{- 0.08}^{+ 0.08}$ $2.30^{+0.08}_{-0.08}$	2.28	$2 . 92_{- 0.14}^{+ 0.06}$ $2.92^{+0.06}_{-0.14}$	2.98	$16 . 62_{- 0.17}^{+ 0.17}$ $16.62^{+0.17}_{-0.17}$	16.52
19254	$4 . 40_{- 0.68}^{+ 0.90}$ $4.40^{+0.90}_{-0.68}$	4.59	$1 . 45_{- 0.14}^{+ 0.28}$ $1.45^{+0.28}_{-0.14}$	1.46	$16 . 15_{- 0.43}^{+ 0.68}$ $16.15^{+0.68}_{-0.43}$	16.14
F20551	$2 . 47_{- 0.09}^{+ 0.12}$ $2.47^{+0.12}_{-0.09}$	2.40	$2 . 78_{- 0.22}^{+ 0.15}$ $2.78^{+0.15}_{-0.22}$	2.92	$16 . 37_{- 0.20}^{+ 0.20}$ $16.37^{+0.20}_{-0.20}$	16.27
F22491	$2 . 54_{- 0.26}^{+ 0.39}$ $2.54^{+0.39}_{-0.26}$	2.30	$2 . 70_{- 0.46}^{+ 0.22}$ $2.70^{+0.22}_{-0.46}$	2.92	$17 . 16_{- 0.19}^{+ 0.15}$ $17.16^{+0.15}_{-0.19}$	17.17
F23060	$4 . 96_{- 1.29}^{+ 1.58}$ $4.96^{+1.58}_{-1.29}$	4.07	$1 . 26_{- 0.06}^{+ 0.07}$ $1.26^{+0.07}_{-0.06}$	1.26	$18 . 43_{- 0.79}^{+ 0.78}$ $18.43^{+0.78}_{-0.79}$	18.88
F23128	$2 . 34_{- 0.13}^{+ 0.17}$ $2.34^{+0.17}_{-0.13}$	2.25	$2 . 62_{- 0.28}^{+ 0.25}$ $2.62^{+0.25}_{-0.28}$	2.85	$16 . 89_{- 0.19}^{+ 0.20}$ $16.89^{+0.20}_{-0.19}$	16.73

Notes. The values quoted for each parameter are the median with its corresponding ±1σ uncertainties of the marginal probability distribution functions (med_±1σ), and the maximum probability of the posterior distribution within the ±1σ range (max_post). All sources are modeled with a single excitation component to avoid overfitting and minimize degeneracies, see main text for additional explanations for this choice.

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