PRUSSIC - III. ALMA and NOEMA survey of dense gas in high-redshift star-forming galaxies

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Table 4.

Median excitation ratios for HCN, HCO⁺, and HNC lines, derived from data in Fig. 6.

Species	This work		Israel (2023)
	r₃₁	r₄₁	r₃₁	r₄₁
HCN	$0 . 59_{- 0.14}^{+ 0.17}$ $0.59^{+0.17}_{-0.14}$	$0 . 41_{- 0.04}^{+ 0.04}$ $0.41^{+0.04}_{-0.04}$	$0 . 33_{- 0.18}^{+ 0.18}$ $0.33^{+0.18}_{-0.18}$	$0 . 19_{- 0.15}^{+ 0.15}$ $0.19^{+0.15}_{-0.15}$
HCO⁺	$0 . 36_{- 0.10}^{+ 0.10}$ $0.36^{+0.10}_{-0.10}$	$0 . 27_{- 0.05}^{+ 0.05}$ $0.27^{+0.05}_{-0.05}$	$0 . 42_{- 0.21}^{+ 0.23}$ $0.42^{+0.23}_{-0.21}$	$0 . 22_{- 0.13}^{+ 0.16}$ $0.22^{+0.16}_{-0.13}$
HNC	≥0.34	≥0.22	$0 . 33_{- 0.09}^{+ 0.34}$ $0.33^{+0.34}_{-0.09}$	–

Notes. The listed uncertainties correspond to the 16th and 84th percentile, respectively.

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