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molecules:ism:methylformiat [2025/07/07 13:42] – mueller | molecules:ism:methylformiat [2025/07/07 13:53] (current) – mueller |
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**[[https://doi.org/10.1051/0004-6361:20065190|Organic Molecules in the Galactic Center – Hot Core Chemistry without Hot Cores]]**\\ | **[[https://doi.org/10.1051/0004-6361:20065190|Organic Molecules in the Galactic Center – Hot Core Chemistry without Hot Cores]]**\\ |
//Astron. Astrophys.// **455**, 971–985 (2006).\\ | //Astron. Astrophys.// **455**, 971–985 (2006).\\ |
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//Astrophys. J.// **755**, Art. No. 153 (2012).\\ | //Astrophys. J.// **755**, Art. No. 153 (2012).\\ |
The line survey covers the 1 to 50 GHz region. The three //K// = 0 transitions with //J"// = 0 to 2 were detected for both //A// and //E// internal rotation components. In addition, one //K// = 1 was detected for the //A// component. Two additional //K// = 1 transitions each were barely recognizable in the noise, the intensities being compatible with the model. The detection is probably not far from a definitive one.\\ | The line survey covers the 1 to 50 GHz region. The three //K// = 0 transitions with //J"// = 0 to 2 were detected for both //A// and //E// internal rotation components. In addition, one //K// = 1 was detected for the //A// component. Two additional //K// = 1 transitions each were barely recognizable in the noise, the intensities being compatible with the model. The detection is probably not far from a definitive one.\\ |
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| M. Sanz-Novo, G. Molpeceres, V. M. Rivilla, and I. Jimenez-Serra\\ |
| reinvestigated the\\ |
| **[[https://doi.org/10.1051/0004-6361/202554686|Conformational Isomerism of Methyl Formate: New Detections of the Higher-energy //trans// Conformer and Theoretical Insights]]**\\ |
| //Astron. Astrophys.// **698**, Art. No. A36 (2025).\\ |
| The conformer was identified in G+0.693−0.027, close to the Galactic center, and in L1157−B1. Both are cold and shocked sources, the latter one is considered to be a prototypical shock region. The //syn// to //anti// ("//cis//" to "//trans//") ratios are about 72 and 34, respectively, about factors of 7 and 3 higher than in the Sagittarius B2(N) envelope mentioned above.\\ |
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Contributor(s): H. S. P. Müller; 02, 2007; 04, 2011; 07, 2012; 08, 2012; 11, 2016; 03, 2019 | Contributor(s): H. S. P. Müller; 02, 2007; 04, 2011; 07, 2012; 08, 2012; 11, 2016; 03, 2019; 07, 2025 |
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