molecules:ism:c2h3chs [CDMS classic documentation]

This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.

===== On the Detection of Propenethial in the ISM =====

C. Cabezas, K. Vávra, G. Molpeceres, L. Kolesniková, M. Agúndez, G. Vylitová, N. Marcelino, L. Hrubčík, R. Fuentetaja, T. Uhlíková, B. Tercero, J. Koucký, G. Esplugues, P. Kania, P. de Vicente, Š. Urban, and J. Cernicharo\\
reported on the\\
**[[https://doi.org/10.1051/0004-6361/202554670|Discovery of propenethial (CH<sub>2</sub>CHCHS) in TMC-1 − The sulphur analogue of acrolein]]**\\
//Astron. Astrophys.// **698**, Art. No. L24 (2025).\\
Propenethial, also known as thioacrolein, was identified through //a//-type transitions with //J// = 6 − 5 to 9 − 8 and //K<sub>a</sub>// ≤ 1 in the course of a molecular line survey of the prototypical cold dark molecular cloud TMC-1 carried out with the Yebes 40 m radio telescope between 31.0 and 50.4 GHz. Nine of the covered transitions were not or not severely blended; the signal-to-noise ratio was rather low for two of them. A value of //T//<sub>rot</sub> = 9 K was assumed. Its column density is about a factor of 27 and 7 lower than those of cyanothioformaldehyde andthioacetaldehyde, respectively. And it is only about a factor of 5 lower than that of propenal.\\
\\

----

Contributor(s): H. S. P. Müller; 06, 2025

----