Open Access

Table C.1

Source name, velocity, galactocentric distance, integrated optical depths, isotopic ratios, and RMS of the absorption spectra.

Source Vlsr RGC τH12CO+dv$\[\int \tau_{\mathrm{H}^{12} \mathrm{CO}^{+}} d v\]$ τH13CO+dv$\[\int \tau_{\mathrm{H}^{13} \mathrm{CO}^{+}} d v\]$ NH12CO+/NH13CO+$\[N_{\mathrm{H}^{12} \mathrm{CO}^{+}} / N_{\mathrm{H}^{13} \mathrm{CO}^{+}}\]$ RMS
km s−1 kpc km s−1 km s−1 10−3
I15254-5621 -54.0±0.7 6.00.2+0.2$\[6.0_{-0.2}^{+0.2}\]$ 1.944±0.017 0.019±0.007 101.8±37.4 11.7
I15254-5621 -30.4±0.3 6.80.2+0.2$\[6.8_{-0.2}^{+0.2}\]$ 3.166±0.023 0.038±0.010 82.1±21.5 11.7
I15502-5302 -75.3±0.8 5.10.2+0.1$\[5.1_{-0.2}^{+0.1}\]$ 1.787±0.013 0.038±0.003 46.0±4.0 9.0
I15502-5302 -40.0±0.3 6.30.2+0.2$\[6.3_{-0.2}^{+0.2}\]$ 8.526±0.048 0.127±0.006 65.1±3.0 9.0
I15567-5236 -86.6±2.3 4.70.2+0.1$\[4.7_{-0.2}^{+0.1}\]$ 7.101±0.130 0.072±0.026 96.6±35.0 30.9
I15567-5236 -65.9±1.4 5.30.1+0.2$\[5.3_{-0.1}^{+0.2}\]$ 3.254±0.047 0.060±0.021 52.9±18.2 30.9
I15567-5236 -46.0±1.6 6.00.2+0.2$\[6.0_{-0.2}^{+0.2}\]$ 12.476±0.307 0.197±0.024 61.6±7.7 30.9
I15567-5236 -16.4±1.0 7.30.2+0.2$\[7.3_{-0.2}^{+0.2}\]$ 11.112±0.489 0.091±0.026 118.4±34.0 30.9
I16060-5146 -80.0±0.5 4.70.2+0.2$\[4.7_{-0.2}^{+0.2}\]$ 2.381 ±0.011 0.037±0.003 62.6±4.7 4.5
I16060-5146 -56.7±0.2 5.50.2+0.2$\[5.5_{-0.2}^{+0.2}\]$ 10.094±0.022 0.159±0.005 62.0±2.0 4.5
I16164-5046 -48.0±1.5 5.70.2+0.2$\[5.7_{-0.2}^{+0.2}\]$ 5.727±0.126 0.106±0.005 52.5±2.7 8.9
I16164-5046 -38.7±0.3 6.10.2+0.2$\[6.1_{-0.2}^{+0.2}\]$ 2.976±0.016 0.043±0.005 67.5±8.3 8.9
I16164-5046 -22.5±0.2 6.80.2+0.2$\[6.8_{-0.2}^{+0.2}\]$ 1.676±0.009 0.032±0.004 50.9±7.1 8.9
I16172-5028 -41.3±0.4 5.90.2+0.2$\[5.9_{-0.2}^{+0.2}\]$ 6.853±0.043 0.096±0.006 69.5±4.4 8.0
I18479-0005 70.8±0.6 5.20.1+0.2$\[5.2_{-0.1}^{+0.2}\]$ 6.478±0.036 0.113±0.012 55.7±6.1 11.7
I18507+0110 11.6±0.2 7.60.2+0.2$\[7.6_{-0.2}^{+0.2}\]$ 4.714±0.056 0.074±0.006 62.0±4.8 11.4
I18507+0110 27.3±0.4 6.90.2+0.2$\[6.9_{-0.2}^{+0.2}\]$ 2.579±0.027 0.029±0.005 87.7±14.2 11.4
I18507+0110 48.3±0.4 6.00.2+0.2$\[6.0_{-0.2}^{+0.2}\]$ 3.619±0.021 0.043±0.006 82.5±12.1 11.4
I18507+0110 52.2±0.9 5.90.2+0.1$\[5.9_{-0.2}^{+0.1}\]$ 8.472±0.109 0.123±0.006 67.3±3.5 11.4
I19078+0901 39.4±2.8 6.70.2+0.2$\[6.7_{-0.2}^{+0.2}\]$ 8.199±0.404 0.154±0.008 52.0±3.8 11.4
I19078+0901 59.6±0.6 6.00.1+0.2$\[6.0_{-0.1}^{+0.2}\]$ 15.748±0.106 0.188±0.012 81.6±5.3 11.4
J1603-4904 -27.0±0.2 6.70.2+0.2$\[6.7_{-0.2}^{+0.2}\]$ 5.195±0.026 0.072±0.010 70.4±9.6 6.0
J1603-4904 2.8±0.1 8.50.2+0.2$\[8.5_{-0.2}^{+0.2}\]$ 3.352±0.043 0.036±0.007 91.6±16.9 6.0
J1720-3552 -181.4±1.6 1.370.04+0.04$\[1.37_{-0.04}^{+0.04}\]$a 0.927±0.005 <0.047b > 19 3.4
J1720-3552 -161.9±2.4 1.370.04+0.04$\[1.37_{-0.04}^{+0.04}\]$a 0.679±0.007 <0.021 > 31 3.4
J1720-3552 -140.9±1.0 1.370.04+0.04$\[1.37_{-0.04}^{+0.04}\]$a 1.426±0.007 0.037±0.006 37.5±6.5.5 3.4
J1720-3552 -104.6±1.3 1.30.0+0.0$\[1.3_{-0.0}^{+0.0}\]$ 6.219±0.056 0.144±0.005 42.2±1.7 3.4
J1720-3552 -31.7±0.1 4.20.2+0.2$\[4.2_{-0.2}^{+0.2}\]$ 10.925±0.019 0.227±0.011 46.8±2.3 3.4
J1720-3552 -22.0±0.2 5.00.2+0.2$\[5.0_{-0.2}^{+0.2}\]$ 2.321 ±0.018 0.178±0.004 12.7±0.3 3.4
J1720-3552 -7.9±0.0 6.80.3+0.3$\[6.8_{-0.3}^{+0.3}\]$ 34.042±0.124 0.784±0.012 42.3±0.7 3.4
J1720-3552 6.3±0.1 6.90.1+0.1$\[6.9_{-0.1}^{+0.1}\]$ 3.447±0.021 0.043±0.005 78.6±9.5 3.4
J1832-1035 7.1±0.2 7.60.2+0.2$\[7.6_{-0.2}^{+0.2}\]$ 6.393±0.136 0.045±0.013 139.4±41.9 3.7
J1832-1035 70.9±0.3 4.30.1+0.1$\[4.3_{-0.1}^{+0.1}\]$ 10.348±0.032 0.140±0.018 72.1±9.2 3.7
J1851+0035 14.5±0.2 7.50.2+0.2$\[7.5_{-0.2}^{+0.2}\]$ 9.555±0.077 0.093±0.021 99.6±22.7 5.5
J1851+0035 32.5±0.4 6.60.2+0.2$\[6.6_{-0.2}^{+0.2}\]$ 1.971 ±0.017 0.023±0.011 82.6±40.8 5.5
J1851+0035 55.6±1.1 5.80.2+0.2$\[5.8_{-0.2}^{+0.2}\]$ 11.614±0.162 0.136±0.019 83.4±11.8 5.5
J1922+1530 5.8±0.1 8.00.2+0.2$\[8.0_{-0.2}^{+0.2}\]$ 3.135±0.024 0.025±0.010 123.7±47.7 6.9
J1922+1530 40.9±1.1 6.80.2+0.2$\[6.8_{-0.2}^{+0.2}\]$ 8.187±0.156 0.116±0.009 68.8±5.3 6.9
J1922+1530 55.9±1.1 6.30.1+0.2$\[6.3_{-0.1}^{+0.2}\]$ 3.238±0.044 0.042±0.007 75.2±13.4 6.9

Notes.(a) Estimation through tilted-disk model near the GC (see Sec. 3.2). (b) H13CO+ is contaminated with HCO, thus, it is an upper limit.

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