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| molecules:ism:mgc2nh-plus [2023/05/09 14:09] – mueller | molecules:ism:mgc2nh-plus [2023/09/07 12:17] (current) – mueller |
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| Seven successive, unblended transitions with 11 ≤ //J"// ≤ 17 were identified for MgC<sub>4</sub>H<sup>+</sup>. In addition, nine successive transitions with 25 ≤ //J"// ≤ 33 were identified between 72.4 and 95.6 GHz in data of an IRAM 30 m molecular line survey; two transitions were partly blended. | Seven successive, unblended transitions with 11 ≤ //J"// ≤ 17 were identified for MgC<sub>4</sub>H<sup>+</sup>. In addition, nine successive transitions with 25 ≤ //J"// ≤ 33 were identified between 72.4 and 95.6 GHz in data of an IRAM 30 m molecular line survey; two transitions were partly blended. |
| 16 transitions with 26 ≤ //J"// ≤ 41 were accessed in the case of MgC<sub>6</sub>H<sup>+</sup>. Four transitions were partly blended, one was blended heavily. | 16 transitions with 26 ≤ //J"// ≤ 41 were accessed in the case of MgC<sub>6</sub>H<sup>+</sup>. Four transitions were partly blended, one was blended heavily. |
| The rotational temperature is about 13.5 K. It is less abundant than sodium (iso) cyanide by a factor of about 250 to 750.\\ | Seven successive transitions with 11 ≤ //J"// ≤ 17 were identified for MgC<sub>3</sub>N<sup>+</sup> of which five were partially blended. |
| | 16 transitions with 27 ≤ //J"// ≤ 42 were accessed in the case of MgC<sub>5</sub>N<sup>+</sup>. Nine were partially blended, one heavily, and two lines were too week to be detected securely. |
| | The rotational temperatures are around 20 K; the value of ~10 K for MgC<sub>3</sub>N<sup>+</sup> should probably be viewed with great caution. The abundance ratios are about 48 : 12 : 25 : 11 for MgC<sub>4</sub>H<sup>+</sup>, MgC<sub>3</sub>N<sup>+</sup>. MgC<sub>6</sub>H<sup>+</sup>, and MgC<sub>5</sub>N<sup>+</sup>, respectively. The cations are about a factor of 200 less abundant than their neutral counterparts in the case of MgC<sub>4</sub>H<sup>+</sup> and MgC<sub>6</sub>H<sup>+</sup>, whereas is is about a factor of 100 for MgC<sub>3</sub>N<sup>+</sup> and about a factor of 50 for MgC<sub>5</sub>N<sup>+</sup>. Again, the ratios for MgC<sub>3</sub>N<sup>+</sup> should be viewed with caution.\\ |
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