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Table 3
Results from LVG and rotation diagram analyses.
| Source | Species | Nl(i) | n(H2) (cm−3) | N (cm−2) |  |
Trot (K) | N (cm−2) | N (cm−2) | Ref |
|---|---|---|---|---|---|---|---|---|---|
| LVG | Rotation diagram | Literature | |||||||
| TMC-1 CP | C6H− | 11 | (5.9 ± 1.6) × 103 | (1.5 ± 0.2) × 1011 | 0.38 | 5.5 ± 0.3 | (2.3 ± 0.4) × 1011 | 1.0 × 1011 | (1) |
| TMC-1 CP | C4H− | 2 | 5.9 × 103 (b) | (2.1 ± 0.2) × 1010 | – | 5.5(b) | 2.4 × 1010 | 8.0 × 109 | (2) |
| TMC-1 CP | C8H− | 12 | (1.8×0.8)×104 | (2.0 ± 0.4) × 1010 | 0.97 | 7.1 ± 0.5 | (2.7 ± 0.7) × 1010 | 2.1 × 1010 | (3) |
| TMC-1 CP | C3N− | 4 | (1.5 ± 0.6) × 104 | (6.4 ± 0.8) × 1010 | 0.04 | 6.0 ± 0.5 | (8.8 ± 1.8) × 1010 | 1.3 × 1011 | (4) |
| TMC-1 CP | C5N− | 6 | (5.4×2.3)×103 | (8.8 × 1.4) × 1010 | 0.44 | 6.6 ± 0.7 | (1.2 ± 0.4) × 1011 | 2.6 × 1011 | (4) |
| Lupus-1A | C6H− | 8 | > 1.5 × 104 | (8.6 ± 0.6) × 1010 | 1.06 | 12.0±1.5 | (8.8 ± 1.5) × 1010 | 6.5 × 1010 | (5) |
| Lupus-1A | C4H− | 4 | (3.5 ± 1.5) × 104 | (2.2 ± 0.4) × 1010 | 2.23 | 6.9 ± 0.9 | (3.2 ± 0.9) × 1010 | 4.4 × 1010 | (5) |
| Lupus-1A | C8H− | 2 | 1.8 × 104 (b) | (1.9 ± 0.3) × 1010 | – | 12.0(b) | 2.1 × 1010 | ||
| Lupus-1A | C3N− | 1 | 1.8 × 104 (b) | (4.0 ± 1.2) × 1010 | – | 12.0(b) | 5.1 × 1010 | ||
| Lupus-1A | C5N− | 5 | >3 × 103 | (5.5 ± 0.8) × 1010 | 1.52 | 12.0(b) | 5.8×1010 | ||
| L1527 | C6H− | 8 | > 1 × 104 | (4.5 ± 0.5) × 1010 | 1.23 | 10.9 ± 1.7 | (5.4 ± 1.4) × 1010 | 5.8 × 1010 | (6) |
| L1527 | C4H− | 4 | > 7 × 104 | (1.5 ± 0.2) × 1010 | 0.18 | 16.1 ± 3.3 | (1.6 ± 0.5) × 1010 | 1.6 × 1010 | (7) |
| L483 | C6H− | 6 | >1 × 104 | (2.0 ± 0.3) × 1010 | 1.03 | 12.0(b) | 2.1 × 1010 | ||
| L483 | C4H− | 2 | 5.6 × 104 (b) | (6.4 ± 1.3) × 109 | – | 12.0(b) | 8.9 × 109 | ||
| L1495B | C6H− | 7 | (2.3 ± 1.0) × 103 | (4.5 ± 1.7) × 1010 | 1.62 | 5.0 ± 0.6 | (5.9 ± 2.7) × 1010 | 3.4 × 1010 | (2) |
| L1544 | C6H− | 5 | > 1 × 103 | (2.5 ± 1.0) × 1010 | 1.01 | 6.5 ± 1.6 | (3.2 ± 1.8) × 1010 | 3.1 × 1010 | (8) |
| L1521F | C6H− | 1 | 1 × 104 (b) | (3.4 ± 0.8) × 1010 | – | 9.0(b) | 4.2×1010 | 3.4 × 1010 | (8) |
| L1251A | C6H− | 2 | 2.1 × 104 (b) | (2.2 ± 0.4) × 1010 | – | 10.0(b) | 2.5×1010 | 2.3 × 1010 | (2) |
| L1512 | C6H− | 2 | 2.6 × 104 (b) | (1.4 ± 0.2) × 1010 | – | 10.0(b) | 1.6×1010 | 1.5 × 1010 | (2) |
| L1172 | C6H− | 2 | 7.5 × 104 (b) | (2.4 ± 0.3) × 1010 | – | 10.0(b) | 2.5×1010 | 2.4 × 1010 | (2) |
| L1389 | C6H− | 2 | 5.2 × 104 (b) | (2.0 ± 0.3) × 1010 | – | 10.0(b) | 2.2×1010 | 2.1 × 1010 | (2) |
| TMC-1 C | C6H− | 2 | 1.1 × 104 (b) | (4.5 ± 0.5) × 1010 | – | 10.0(b) | 5.2×1010 | 4.8 × 1010 | (2) |
| TMC-1 CP | C6H | 17 | (7.5 ± 2.8) × 105 | (4.8×0.2)×1012 | 3.60 | 7.0 ± 0.3 | (6.2 ± 0.7) × 1012 | 3.0 × 1012 | (6) |
| TMC-1 CP | C4H | 13 | (8.6 ± 0.9) × 103 | (8.5 ± 0.7) × 1013 | 3.29 | 5.5 ± 0.1 | (1.05 ± 0.07) × 1014 | 7.1 × 1014 | (7) |
| TMC-1 CP | C8H | 21 | 1.0 × 104 (b) | (3.0 ± 0.1) × 1011 | 2.86 | 6.8 ± 0.2 | (8.0 ± 1.4) × 1011 | 4.6 × 1011 | (3) |
| TMC-1 CP | C3N | 10 | (1.2 ± 0.2) × 104 | (1.2 ± 0.1) × 1013 | 1.50 | 4.8 ± 0.1 | (1.7 ± 0.2) × 1013 | 1.8 × 1013 | (4) |
| TMC-1 CP | C5N | 12 | > 1 × 103 | (4.7 ± 0.3) × 1011 | 0.18 | 9.1 ± 0.9 | (4.8 ± 1.0) × 1011 | 6.0 × 1011 | (4) |
| Lupus-1A | C6H | 16 | > 7× 105 | (3.7 ± 0.2) × 1012 | 1.11 | 10.7 ± 0.7 | (3.8 ± 0.4) × 1012 | 3.1 × 1012 | (5) |
| Lupus-1A | C4H | 10 | (1.2 ± 0.2) × 104 | (8.4 ± 0.9) × 1013 | 1.56 | 7.3 ± 0.2 | (8.0 ± 0.6) × 1013 | 5.0 × 1014 | (5) |
| Lupus-1A | C8H | 2 | 1.8 × 104 (b) | (2.7 ± 0.4) × 1011 | – | 10.7(b) | 2.8×1011 | 3.5 × 1011 | (5) |
| Lupus-1A | C3N | 8 | (3.5 ± 0.5) × 104 | (6.2 ± 0.5) × 1012 | 1.19 | 6.8 ± 0.2 | (8.1 ± 0.8)×1012 | ||
| Lupus-1A | C5N | 10 | 1.8 × 104 (b) | (3.1 ± 0.2)×1011 | 1.38 | 7.6±1.7 | (4.9 ± 2.7) × 1011 | ||
| L1527 | C6H | 16 | > 1.5 × 106 | (8.8 ± 0.4) × 1011 | 0.66 | 19.6 ± 3.4 | (9.7 ± 1.6) × 1011 | 6.2 × 1011 | (6) |
| L1527 | C4H | 10 | (1.4 ± 0.6) × 105 | (2.9 ± 0.1) × 1013 | 0.29 | 13.4 ± 0.5 | (2.9 ± 0.2) × 1013 | 1.5 × 1014 | (7) |
| L483 | C6H | 14 | (4.1 ± 1.6) × 105 | (7.5 ± 0.5) × 1011 | 0.22 | 8.3 ± 0.6 | (8.7 ± 1.5) × 1011 | ||
| L483 | C4H | 14 | (1.3 ± 0.2) × 104 | (2.3 ± 0.2) × 1013 | 3.94 | 7.0 ± 0.1 | (3.0 ± 0.2) × 1013 | 1.2 × 1014 | (9) |
| L1495B | C6H | 16 | (7.0 ± 2.8) × 105 | (1.5 ± 0.1) × 1012 | 1.04 | 7.0 ± 0.3 | (1.8 ± 0.2) × 1012 | 2.5 × 1012 | (2) |
| L1544 | C6H | 11 | (1.6 ± 0.7) × 105 | (8.7 ± 1.5) × 1011 | 1.19 | 5.4 ± 0.4 | (1.4 ± 0.3) × 1012 | 1.2 × 1012 | (8) |
| L1521F | C6H | 2 | 1 × 104 (b) | (9.5 ± 2.0) × 1011 | – | 9.0(b) | 1.0×1012 | 8 × 1011 | (8) |
| L1251A | C6H | 3 | 2.1 × 104 (b) | (1.5 ± 0.2) × 1012 | – | 10.0(b) | 7.8×1011 | 7.6 × 1011 | (2) |
| L1512 | C6H | 5 | 2.6 × 104 (b) | (7.6 ± 0.6) × 1011 | – | 10.0(b) | 5.5×1011 | 4.6 × 1011 | (2) |
| L1172 | C6H | 1 | 7.5 × 104 (b) | (8.0 ± 1.1) × 1011 | – | 10.0(b) | 7.6×1011 | 7.1 × 1011 | (2) |
| L1389 | C6H | 3 | 5.2 × 104 (b) | (4.4 ± 0.6) × 1011 | – | 10.0(b) | 5.0×1011 | 4.7 × 1011 | (2) |
| TMC-1 C | C6H | 1 | 1.1 × 104 (b) | (5.5 ± 0.6) × 1012 | – | 10.0(b) | 1.6×1012 | 1.5 × 1012 | (2) |
Notes. (a) Number of lines included in the analysis.(b) Parameter was fixed to the value determined for a similar species, if possible, or to the value given in Table 1.
References. (1) McCarthy et al. (2006). (2) Cordiner et al. (2013). (3) Brünken et al. (2007a). (4) Cernicharo et al. (2020). (5) Sakai et al. (2010). (6) Sakai et al. (2007). (7) Agúndez et al. (2008). (8) Gupta et al. (2009). (9) Agúndez et al. (2019).
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