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Table 3
Comparison of Orion fit parameters and previous analysis results from Blake et al. (1987).
| GOBASIC | Previous (Blake et al. 1987) | |||||||
| Molecule | T (K) | NT (cm-2) | Δv (km s-1) | v (km s-1) | T (K) | NT (cm-2) | Δv (km s-1) | v (km s-1)a |
|
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| Methanol | 134(4) | 5.5(2) × 1016 | 4.41(9) | –0.26(4) | 146(3)c | 3.5 × 1016 | 3.3/9.6 | −.9/ −1.8 |
| 200(6) | 9.3(3) × 1016 | 12.1(2) | –2.1(2) | |||||
| Methyl cyanide | 244(12) | 4.5(2) × 1015 | 13.9(2) | –1.80(1) | 274(12)d | 6.5 × 1014 | 10.3 | –4.0 |
| 101(9) e | 9.6 × 1013 | 4.0 | –0.6 | |||||
| Ethyl cyanide | 148(6) | 3.45(6) × 1015 | 15.1(3) | –4.4(2) | 150(9)d | 8.2 × 1014 | 11.4 | –4.0 |
| Methyl formate | 340(22) | 3.8(2) × 1016 | 6.6(1) | –0.75(8) | 90(10)c | 2.6 × 1015 | 3.9 | –1.1 |
| Sulfur dioxide | 113(4) | 9.3(5) × 1016 | 29.8(9) | 1.55(3) | 106(3)f | 2.8 × 1016 | 25.2 | –1.3 |
| 15.1(8) | 1.3(1) × 1016 | 20.9(9) | 0.0(4) | (60)b,e | <1.0 × 1015 | 4.2 | −1.3 | |
| 256(36) | 1.7(5) × 1016 | 9(3) | –2.5(5) | (200)b,d | < 2.0 × 1015 | 6.9 | −6.4 | |
| Dimethyl ether | 123(8) | 1.42(9) × 1016 | 4.2(2) | –0.9(1) | 63(5)c | 3.0 × 1015 | 3.6 | –1.1 |
| Thioformaldehyde | 99(13) | 1.3(1) × 1015 | 5.2(3) | –0.0(2) | 116(17)c | 4.8 × 1014 | 4.1 | –1.4 |
| HCCCN | 104(23) | 6.7(1) × 1014 | 18.3(4) | –2.7(2) | 312(35)d | 1.3 × 1014 | 10.0 | –5.2 |
| HNCO | 40(4) | 3.2(2) × 1015 | 19.3(5) | –1.9(5) | 182(45)d | 4.8 × 1014 | 9.1 | –2.4 |
| 35(3) e | ≲ 6.5 × 1014 | ~ 4.3 | –0.6 | |||||
| CH3CCH | 95(34) | 3.5(9) × 1015 | 4(1) | 0.4(6) | 52(8)e | 1.0 × 1015 | 3.8 | 0.3 |
| HDCO | 118(108) | 7(8) × 1015 | 7(1) | 0.8(6) | 32(7)e | 5.6 × 1013 | ~ 4.0 | –0.2 |
| HDO | 114(17) | 9.9(9) × 1015 | 9.6(7) | –2.4(4) | 164(23)d | 4.4 × 1015 | 9.1 | –3.3 |
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