Table B.3.
Optical depth measurements for HCO+, H13CO+, HNC, and HN13C.
| Source | τHCO+ |
 |
τHNC |
 |
|---|---|---|---|---|
| G008.684−00.367 | 18.64(0.02) | 0.36 | 103.15(0.20) | 2.00 |
| G008.706−00.414 | 14.55(0.07) | 0.28 | 15.81(0.11) | 0.30 |
| G010.444−00.017 | − | − | − | − |
| G013.178+00.059 | 12.69(0.05) | 0.25 | 15.00(0.08) | 0.29 |
| G014.114−00.574 | − | − | 17.04(0.01) | 0.33 |
| G014.194−00.194 | 15.94(< 0.01) | 0.31 | 10.62(< 0.01) | 0.21 |
| G014.492−00.139 | − | − | 19.46(0.11) | 0.38 |
| G014.632−00.577 | 23.91(0.06) | 0.46 | 26.94(0.09) | 0.52 |
| G018.876−00.489 | 7.758(0.03) | 0.15 | 10.63(0.05) | 0.20 |
| G309.382−00.134 | 11.36(0.05) | 0.22 | − | − |
| G317.867−00.151 | 14.15(0.06) | 0.27 | − | − |
| G318.779−00.137 | 13.24(0.06) | 0.25 | 12.81(0.09) | 0.24 |
| G320.881−00.397 | 18.33(0.10) | 0.36 | − | − |
| G326.987−00.031 | 9.67(0.04) | 0.19 | 11.79(0.08) | 0.22 |
| G329.029−00.206 | 30.09(0.03) | 0.59 | 80.05(0.12) | 1.57 |
| G331.708+00.583_1 | 12.60(0.06) | 0.25 | 11.29(0.08) | 0.22 |
| G331.708+00.583_2 | 14.52(0.03) | 0.28 | 13.97(0.04) | 0.27 |
| G333.656+00.059 | 43.10(0.32) | 0.86 | − | − |
| G335.789+00.174 | 17.14(< 0.01) | 0.33 | 24.13(< 0.01) | 0.45 |
| G336.958−00.224 | 14.41(0.01) | 0.28 | 15.50(0.01) | 0.29 |
| G337.176−00.032 | 13.86(0.09) | 0.26 | − | − |
| G337.258−00.101 | 18.46(0.12) | 0.36 | 15.21(0.14) | 0.30 |
| G338.786+00.476 | − | − | 17.97(0.01) | 0.34 |
| G340.784−00.097 | 18.05(0.08) | 0.35 | 13.55(0.09) | 0.26 |
| G342.484+00.182 | 30.78(0.14) | 0.59 | − | − |
| G343.756−00.164 | 70.28(0.24) | 1.34 | 18.52(0.04) | 0.36 |
| G351.444+00.659 | 18.16(< 0.01) | 0.35 | 17.43(< 0.01) | 0.33 |
| G351.571+00.762 | 37.36(0.14) | 0.73 | 29.03(0.16) | 0.56 |
| G353.066+00.452_1 | 19.37(0.16) | 0.38 | 12.43(0.15) | 0.25 |
| G353.066+00.452_2 | 17.48(0.08) | 0.34 | 8.86(0.06) | 0.17 |
| G353.066+00.452_3 | 10.64(0.06) | 0.21 | − | − |
| G353.417−00.079_1 | 18.08(0.07) | 0.36 | 31.22(0.17) | 0.62 |
| G353.417−00.079_2 | 13.95(0.04) | 0.28 | − | − |
| G354.944−00.537 | 30.91(0.10) | 0.61 | 12.14(0.06) | 0.24 |
| Mean | 20.32(0.02) | 0.39(< 0.01) | 23.19(0.02) | 0.45(< 0.01) |
| Median | 18.08(< 0.01) | 0.35(< 0.01) | 15.50(0.01) | 0.30(< 0.01) |
| Std. | 12.29 | 0.24 | 14.02 | 0.27 |
Notes.( * )The errors for optically thin lines are < 0.01. For the error calculations the Uncertainties: a Python package for calculations with uncertainties by Eric O. Lebigot was used (http://pythonhosted.org/uncertainties/). The errors on optical depths, Tex, and integrated intensities are included in the error calculation of column densities.
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