Table B.1
Parameters of the non-detected molecular transitions.
| Species | Transition | Frequency (a) | Aij (a) | Eu (a) | ncrit (b) |
|---|---|---|---|---|---|
| (GHz) | (s−1) | (K) | (cm−3) | ||
| CO-species | |||||
| p-H2CO | 112,9 − 120,12 | 215.97616 | 3.16 × 10−7 | 280 | 3.3 × 104 |
| o-H2CO | 91,8 − 91,9 | 216.56865 | 7.24 × 10−6 | 174 | 2.1 × 105 |
| CH3OH | 50,5 − 40,4 | 241.70022 | 6.03 × 10−5 | 48 | 1.7 × 106 |
| CH3OH | 50,5 − 4 |
241.79143 | 6.03 × 10−5 | 35 | 4.6 × 105 |
| CH3OH | 51,4 − 41,3 | 241.87907 | 6.03 × 10−5 | 56 | 1.5 × 107 |
| CH3OH | 51,4 − 4 |
241.91583 | 6.03 × 10−5 | 50 | 5.5 × 107 |
| S-species | |||||
| SO | 12 − 21 | 236.45229 | 1.41 × 10−6 | 16 | 4.0 × 104 (c) |
| SO2 | 111,11 − 100,10 | 221.96522 | 1.15 × 10−4 | 60 | 8.6 × 106 (d) |
| SO2 | 123,9 − 122,10 | 237.06883 | 1.15 × 10−4 | 60 | 1.1 × 108 (d) |
| SO2 | 52,4 − 41,3 | 241.61580 | 8.51 × 10−5 | 24 | 9.4 × 106 (d) |
| SO2 | 140,14 − 131,13 | 244.25422 | 1.62 × 10−4 | 94 | 1.2 × 107 (d) |
| OCS | J = 18−17 | 218.90336 | 3.02 × 10−5 | 100 | 8.2 × 105 |
| OCS | J = 19−18 | 231.06099 | 3.55 × 10−5 | 111 | 1.3 × 106 |
| OCS | J = 20−19 | 243.21804 | 4.17 × 10−5 | 123 | 3.5 × 105 |
| p-H2S | 22,0 − 21,1 | 216.71044 | 4.90 × 10−5 | 84 | 1.1 × 106 |
| HCS | 60,6 − 50,5 | 241.68929 | 1.20 × 10−5 | 41 | |
| HSC | 61,6 − 51,5 | 239.05112 | 4.27 × 10−4 | 53 | |
| HSC | 62,5 − 52,4 | 243.32134 | 4.17 × 10−4 | 94 | |
| HSC | 60,6 − 50,5 | 243.36604 | 4.68 × 10−4 | 41 | |
| HSC | 62,4 − 52,3 | 243.52763 | 4.17 × 10−4 | 94 | |
| H2CS | 71,7 − 61,6 | 236.72702 | 1.91 × 10−4 | 59 | 5.5 × 106 |
| H2CS | 70,7 − 60,6 | 240.26687 | 2.04 × 10−4 | 46 | 2.0 × 107 |
| H2CS | 72,6 − 62,5 | 240.38205 | 1.91 × 10−4 | 99 | 4.0 × 106 |
| H2CS | 72,5 − 62,4 | 240.54907 | 1.91 × 10−4 | 99 | 6.4 × 106 |
| H2 CS | 71,6 − 61,5 | 244.04850 | 2.09 × 10−4 | 60 | 4.1 × 106 |
| Carbon-chain species | |||||
| N2 D+ | 3−2 | 231.32186 | 7.08 × 10−4 | 22 | 2.1 × 106 (e) |
| H2 CN | 30,3 − 20,2 | 219.85186 | 3.39 × 10−4 | 21 | |
| H2 CN | 31,2 − 21,1 | 227.43700 | 3.39 × 10−4 | 34 | |
| c-C3 H2 | 82,6 − 81,7 (para) | 218.44883 | 1.48 × 10−4 | 87 | 6.7 × 107 |
| c-C3 H2 | 83,6 − 82,7 (ortho) | 218.44944 | 1.48 × 10−4 | 87 | 3.2 × 108 |
| c-C3 H2 | 32,1 − 21,2 (ortho) | 244.22215 | 5.89 × 10−5 | 18 | 1.2 × 107 |
| l-C3 H2 | 111,11 − 101,10 | 226.54857 | 1.07 × 10−3 | 79 | |
| l-C3 H2 | 110,11 − 100,10 | 228.60835 | 1.12 × 10−3 | 66 | |
| l-C3 H2 | 111,10 − 101,9 | 230.77801 | 1.15 × 10−3 | 80 | |
| C4 H | N = 23−22, J = 47/2−45/2 | 218.83701 | 4.47 × 10−5 | 126 | |
| C4 H | N = 23−22, J = 45/2−43/2 | 218.87537 | 4.47 × 10−5 | 126 | |
| C4 H | N = 24−23, J = 49/2−47/2 | 228.34862 | 5.13 × 10−5 | 137 | |
| C4 H | N = 24−23, J = 47/2−45/2 | 228.38696 | 5.13 × 10−5 | 137 | |
| C4 H | N = 25−24, J = 51/2−49/2 | 237.85974 | 5.75 × 10−5 | 148 | |
| C4 H | N = 25−24, J = 49/2−47/2 | 237.89806 | 5.75 × 10−5 | 148 | |
| Others | |||||
| SiO | J = 5−4 | 217.10498 | 5.25 × 10−4 | 31 | 2.2 × 107 |
| HDO | 31,2 − 22,1 | 225.89672 | 1.32 × 10−5 | 167 | 7.3 × 106 |
| HDO | 21,1 − 21,2 | 241.56155 | 1.17 × 10−5 | 95 | 9.6 × 105 |
| HNCO | 100,10 − 90,9 | 219.79827 | 1.48 × 10−4 | 58 | 4.4 × 108 |
| HNCO | 110,11 − 100,10 | 241.77403 | 1.95 × 10−4 | 70 | 2.3 × 107 |
Notes. (a) Values from the CDMS database (Müller et al. 2001). (b)Calculated values for a collisional temperature of 30 K and collisional rates from the Leiden Atomic and Molecular Database (LAMDA; Schöier et al. 2005). (c) For a collisional temperature of 60 K. (d)For a collisional temperature of 100 K. (e)Calculated for N2 H+. References.The collisional rates of specific species listed here and in Table 3 were taken from the following sources: CO isotopologues from Yang et al. (2010), H2 CO and H2 CS from Wiesenfeld & Faure (2013), CH3OH from Rabli & Flower (2010), DCO+ and N2 D+ from Flower (1999), DCN and DNC from Dumouchel et al. (2010), CS isotopologues and SO from Lique et al. (2006), SO2 from Balança et al. (2016), OCS from Green & Chapman (1978), H2S from Daniel et al. (2011), CN from Kalugina & Lique (2015), C3 H2 from Chandra & Kegel (2000), HC3N from Faure et al. (2016), SiO from Dayou & Balança (2006), HDO from Faure et al. (2012), and HNCO from Sahnoun et al. (2018).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.