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===== On Hydroxypropenal in Space ===== | ===== On Hydroxypropenal in Space ===== | ||
- | S. Zeng, I. Jiménez-Serra, V. M. Rivilla, J. Martín-Pintado, L. F. Rodríguez-Almeida, | + | A. Coutens, J.-C. Loison, A. Boulanger, E. Caux, H. S. P. Müller, V. Wakelam, S. Manigand, and J. K. Jørgensen\\ |
reported on\\ | reported on\\ | ||
- | **[[https:// | + | **[[https:// |
- | //Astrophys. J. Lett.// **920** (2021), Art. No. L27.\\ | + | //Astron. |
+ | 3-Hydroxypropenal is the enol form of malonaldehyde. This enolic form is more stable than the dial because of intermolecular hydogen bonding. The molecule was identified through 11 lines in Band 7 corresponding to 19 //b//-type rotational transitions. Some of these are fully or partially blended. Two additional lines were clearly detected in Band 6 data. Rotation-tunneling transitions of //a//-type symmetry may be observable for somewhat higher excitation temperatures. However, the rest frequencies of stronger ones with low values of // | ||
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