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Table F.1
Column densities (cm−2) of warm gas, T > 200 K, predicted with the Paris–Durham shock code for shocks with velocity Vs = 60 km s−1 and ambient densities nH = 104, 105, and 106 cm−3 (L20), and comparison with the column densities predicted by Neufeld & Dalgarno (1989) (ND89).
| Species | nH = 104 cm−3 | nH = 105 cm−3 | nH = 106 cm−3 | |||
|---|---|---|---|---|---|---|
| L20 | ND89 | L20 | ND89 | L20 | ND89 | |
| H + 2H2 | 4.2(+20) | 1.0(+20) | 9.2(+20) | – | 1.5(+21) | 8.0(+21) |
| O | 9.8(+16) | 6.0(+16) | 2.0(+17) | 1.0(+18) | 3.1(+17) | 2.5(+18) |
| C | 2.7(+16) | 1.9(+16) | 5.1(+16) | 1.3(+17) | 6.4(+16) | 1.4(+17) |
| C+ | 3.5(+15) | 3.9(+15) | 4.8(+15) | 5.3(+15) | 1.1(+16) | 1.4(+16) |
| Si+ | 1.1(+15) | 1.3(+15) | 1.9(+15) | 1.2(+16) | 3.3(+15) | 5.4(+15) |
| S | 6.0(+15) | 7.6(+14) | 1.5(+16) | 2.8(+16) | 2.3(+16) | 9.5(+16) |
| S+ | 1.7(+15) | 7.6(+14) | 2.3(+15) | 7.9(+15) | 5.0(+15) | 3.6(+15) |
| H2 | 7.7(+19) | 1.5(+18) | 2.0(+20) | 6.8(+20) | 4.1(+20) | 2.5(+21) |
| OH | 3.3(+14) | 3.4(+14) | 1.4(+15) | 5.7(+15) | 2.3(+15) | 2.7(+16) |
| H2O | 1.5(+14) | 5.8(+12) | 2.3(+15) | 1.9(+15) | 2.5(+15) | 6.1(+16) |
| CO | 2.8(+16) | 2.3(+15) | 6.9(+16) | 4.6(+17) | 1.3(+17) | 1.5(+18) |
| SiO | 4.4(+12) | 3.7(+12) | 7.3(+13) | 1.8(+16) | 6.6(+13) | 7.8(+16) |
| SO | 1.5(+12) | 5.7(+10) | 2.8(+13) | 2.3(+13) | 2.5(+13) | 8.6(+14) |
| NO | 2.7(+13) | 6.9(+11) | 3.9(+14) | 2.3(+14) | 4.5(+14) | 3.1(+15) |
| CN | 1.2(+13) | 2.5(+12) | 1.5(+14) | 1.9(+14) | 8.5(+13) | 8.2(+14) |
| HCN | 2.1(+13) | 5.9(+10) | 1.0(+15) | 5.0(+14) | 3.7(+14) | 8.2(+15) |
| N2 | 7.9(+12) | 2.3(+12) | 3.9(+14) | 7.6(+15) | 2.4(+14) | 1.5(+17) |
| CO2 | 7.5(+10) | 4.1(+09) | 1.5(+12) | 2.9(+13) | 1.4(+12) | 1.2(+15) |
| O2 | 4.9(+13) | 1.4(+12) | 5.5(+14) | 2.9(+14) | 5.0(+14) | 7.6(+15) |
| SO2 | 4.5(+09) | 4.4(+06) | 6.2(+11) | 9.8(+09) | 3.2(+11) | 4.6(+12) |
| CH | 1.1(+13) | 6.3(+11) | 5.1(+11) | 8.8(+11) | 6.1(+11) | 1.3(+12) |
| CH2 | 1.1(+11) | 2.1(+09) | 4.7(+09) | 8.9(+11) | 1.1(+10) | 2.2(+11) |
| C2 | 9.6(+09) | 8.2(+09) | 5.1(+09) | 6.6(+12) | 1.6(+10) | 1.0(+13) |
| C2 H | 1.0(+10) | 1.4(+09) | 4.0(+09) | 4.5(+10) | 1.0(+10) | 3.8(+10) |
| C2 H2 | 9.3(+09) | 1.6(+07) | 2.2(+09) | 1.0(+10) | 2.6(+09) | 1.6(+10) |
| C3 | 1.2(+07) | 1.9(+05) | 5.5(+06) | 1.6(+08) | 1.7(+07) | 5.2(+08) |
| C3 H | 3.5(+07) | 9.3(+04) | 1.0(+07) | 8.5(+07) | 2.6(+07) | 3.0(+08) |
| C3 H2 | 2.9(+06) | 2.9(+02) | 2.2(+06) | 9.8(+05) | 3.2(+06) | 3.8(+06) |
| SH | 1.2(+11) | 1.0(+11) | 4.9(+11) | 1.7(+11) | 4.9(+11) | 3.3(+11) |
| H2 S | 1.3(+07) | 1.3(+07) | 6.1(+07) | 2.2(+07) | 1.6(+08) | 3.2(+07) |
| H2 CO | 6.8(+10) | 6.7(+03) | 1.4(+11) | 9.8(+06) | 1.4(+11) | 9.6(+06) |
H |
2.6(+13) | 4.9(+12) | 2.6(+13) | 5.7(+12) | 2.6(+13) | 6.5(+12) |
H |
4.4(+12) | 8.5(+11) | 4.4(+12) | 2.7(+11) | 4.4(+12) | 9.7(+10) |
| OH+ | 2.7(+10) | 1.9(+13) | 2.3(+10) | 1.8(+13) | 2.4(+10) | 1.5(+13) |
| CH+ | 3.3(+12) | 1.2(+11) | 1.3(+12) | 2.9(+11) | 4.3(+12) | 3.3(+11) |
| HCO+ | 7.5(+11) | 6.7(+10) | 3.5(+11) | 6.9(+12) | 5.4(+11) | 1.1(+13) |
| SO+ | 5.2(+11) | 3.8(+10) | 1.6(+12) | 5.6(+12) | 2.9(+12) | 1.8(+13) |
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