The [C II] line emission as an interstellar medium probe in the MARIGOLD galaxies

Open Access

Table 3.

Best-fit scaling relations between the [C II] luminosity and the SFR (averaged over the last 200 Myr, SFR₂₀₀) and the molecular gas mass (M_mol) in our simulated galaxies at different redshifts.

z	No. of galaxies	$\log (L_{[C I I]} / L_{⊙}) = a \log ({SFR}_{200} / M_{⊙} {yr}^{- 1}) + b$ $\mathrm{log}(L_{[\mathrm{C}{\small { {\text{ II}}}}]}/\mathrm{L_{\odot}}) = a \, \mathrm{log} ({\mathrm{SFR}_{200}/ \mathrm{M_{\odot} \, yr^{-1}}}) \,+\, b$			$\log (L_{[C I I]} / L_{⊙}) = a \log (M_{mol} / M_{⊙}) + b$ $\mathrm{log}(L_{[\mathrm{C}{\small { {\text{ II}}}}]}/\mathrm{L_{\odot}}) = a \, \mathrm{log} (M_{\mathrm{mol}}/ {\mathrm{M_{\odot}}}) \,+\, b$
		a	b	1σ	a	b	1σ

7	330	0.947 ± 0.034	6.670 ± 0.016	0.29	0.580 ± 0.034	1.893 ± 0.277	0.38
6	692	0.907 ± 0.018	6.786 ± 0.009	0.24	0.624 ± 0.018	1.690 ± 0.148	0.32
5	1210	0.852 ± 0.011	6.905 ± 0.007	0.22	0.695 ± 0.013	1.223 ± 0.108	0.30
4	2787	0.921 ± 0.006	6.985 ± 0.004	0.21	0.772 ± 0.006	0.742 ± 0.052	0.25
3	4458	0.805 ± 0.004	7.205 ± 0.003	0.18	0.733 ± 0.004	1.160 ± 0.032	0.20

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