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--- molecules:ism:hydroxypropenal [2024/08/15 19:09] – mueller
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+H. S. P. Müller, A. Coutens, J. K. Jørgensen, L. Margulès, R. A. Motiyenko, and J.-C. Guillemin\\
+published on\\
+**[[https://doi.org/10.1051/0004-6361/202450029|The rotation-tunneling spectrum of 3-hydroxypropenal and confirmation of its detection toward IRAS 16293−2422 B]]**\\
+//Astron. Astrophys.// **687** (2024), Art. No. A8.\\
+The authors reported a very extensive line list from new (sub-) millimeter spectroscopic measurements. They were able to constrain the rotational temperature to 125 K. No additional lines were identified in the PILS data, but 7 additional lines were identified in archival ALMA data of the same source and with a similar spatial resolution. The column density is roughly a factor of 2.2 lower than that of propanal, a factor of about 42 lower than that of propene, and about a factor of 3 higher than that of propenal. The detection is now certainly beyond any doubt.\\
+\\
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