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| molecules:ism:2-hpa [2026/03/04 10:52] – mueller | molecules:ism:2-hpa [2026/03/04 11:15] (current) – mueller |
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| **[[https://doi.org/10.1051/0004-6361/202558316|Expanding the C3H6O2 Isomeric Interstellar Inventory: Discovery of Lactaldehyde and Methoxyacetaldehyde in G+0.693−0.027]]**\\ | **[[https://doi.org/10.1051/0004-6361/202558316|Expanding the C3H6O2 Isomeric Interstellar Inventory: Discovery of Lactaldehyde and Methoxyacetaldehyde in G+0.693−0.027]]**\\ |
| //Astron. Astrophys.// **706**, (2026) Art. No. A316.\\ | //Astron. Astrophys.// **706**, (2026) Art. No. A316.\\ |
| The detection was made employing the ALMA Band 4 Science Verification data of IRAS 16293–2422 around 146 and 157 GHz. The number of unblended to moderately blended lines appears to be sufficient.\\ | 2-Hydroxypropanal, also known as lactaldehyde, was detected in the course of a molecular line survey of this cold, shocked molecular cloud near Sagittarius B2 and in the Galactic center region. Three transitions with good signal-to-noise ratio (S/N) and one with modest S/N between 32 and 138 GHz were unblended, three further transitions slightly blended. The authors provide column density raios of the C<sub>3</sub>H<sub>6</sub>O<sub>2</sub> isomers.\\ |
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