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Table 2.

Rest-frame frequencies and luminosities (in units of 108 K km s−1 pc2) for HCN, HCO+, and HNC lines in individual galaxies.

Line HCN(1–0) HCN(3–2) HCO+(3–2) HNC(3–2) HCN(4–3) HCO+(4–3) HNC(4–3)
f0 [GHz] 88.632 256.886 267.558 271.981 354.505 356.734 362.630
SDP.9 380 ± 130O17 164 ± 27O17 85 ± 34O17 99 ± 19O17 84 ± 9 80 ± 13 83 ± 13
SDP.11 ≤540O17 170 ± 25O17 73 ± 6O17 ≤20O17 94 ± 24 ≤54 ≤35
G09v1.40 94 ± 19 113 ± 19 80 ± 18
SDP.17 126 ± 16 80 ± 16 125 ± 17
J1202 800 ± 400R22 620 ± 90 600 ± 90 176 ± 90 230 ± 60 240 ± 60 ≤120
G15v2.235 ≤74 ≤75 ≤78
J0209 ≤1000R20 560 ± 70 310 ± 70 300 ± 50 960 ± 50NG 480 ± 30NG 570 ± 30NG
G09v1.326 52 ± 13 61 ± 15 78 ± 13
SDP.130 ≤140R22 ≤130 ≤110 ≤80 52 ± 23 ≤45 31 ± 24
NAv1.195 180 ± 30 170 ± 20 ≤290
SDP.81R23 ≤370 ≤72 160 ± 43 ≤71
G12v2.43 210 ± 15 146 ± 14 210 ± 15

Notes. The reported values are not corrected for lensing magnifications. The upper limits are given as 3σ. References: O17 – Oteo et al. (2017); R22 – Rybak et al. (2022); R23 – Rybak et al. (2023); NG – N. Geesink, MSc Thesis, Leiden 2025.

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