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| molecules:ism:cac2 [2024/05/16 16:00] – mueller | molecules:ism:cac2 [2024/05/16 16:00] (current) – mueller |
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| **[[https://doi.org/10.3847/2041-8213/ad3336|Calcium Chemistry in Carbon-rich Circumstellar Environments: The Laboratory and Astronomical Discovery of Calcium Dicarbide, CaC<sub>2</sub>]]**\\ | **[[https://doi.org/10.3847/2041-8213/ad3336|Calcium Chemistry in Carbon-rich Circumstellar Environments: The Laboratory and Astronomical Discovery of Calcium Dicarbide, CaC<sub>2</sub>]]**\\ |
| //Astrophys. J. Lett// **966**, Art. No. L28 (2024).\\ | //Astrophys. J. Lett// **966**, Art. No. L28 (2024).\\ |
| 14 //a//-type lines with 0 ≤ //J// ≤ 8 and //K<sub>a</sub>// ≤ 4 between 14 and 115 GHz were identified for the main <sup>40</sup>Ca isotopolog employing the GBT 100 m, Yebes 40 m, and IRAM 30 m dishes. The observations with the GBT were dedicated ones, the other results were obtained in the couses of molecular line surveys of CW Leonis. These lines have good to reasonable signal-to-noise ratios, and several lines are unblended. Transitions of minor isotopologs were not observed. The derived column density ratio of MgC<sub>2</sub>/CaC<sub>2</sub> is roughly 2.\\ | 14 //a//-type lines with 0 ≤ //J// ≤ 8 and //K<sub>a</sub>// ≤ 4 between 14 and 115 GHz were identified for the main <sup>40</sup>Ca isotopolog employing the GBT 100 m, Yebes 40 m, and IRAM 30 m dishes. The observations with the GBT were dedicated ones, the other results were obtained in the couses of molecular line surveys of CW Leonis. These lines have good to reasonable signal-to-noise ratios, and several lines are unblended. Transitions of minor isotopologs were not identified. The derived column density ratio of MgC<sub>2</sub>/CaC<sub>2</sub> is roughly 2.\\ |
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