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On the Discovery of c-C6H6S in the ISM
M. Araki, M. Sanz-Novo, C. P. Endres, P. Caselli, V. M. Rivilla, I. Jiménez-Serra, L. Colzi, S. Zeng, A. Megías, Á. López-Gallifa, A.Martínez-Henares, D. San Andrés, S. Martín, M. A. Requena-Torres, J. G. de la Concepción, and V. Lattanzi
reported on
A Detection of Sulfur-Bearing Cyclic Hydrocarbons in Space
Nat. Astron. 10, 401 (2026).
The molecule was detected in the course of a molecular line survey of the Galactic Center molecular cloud G+0.693–0.027 employing the Yebes 40 m and IRAM 30 m radio telecopes. The transitions cover 31 to 98 GHz with 1 ≤ J ≤ 7 and Ka ≤ 5. Some lines are unblended, slightly blended, or the peak of the line is at most slightly blended. Some further lines are blended more substantially. The glycolaldehyde/glycolamide ratio is ∼15, while the ethanol/ethanolamine ratio is ∼40.
Contributor(s): H. S. P. Müller; 04, 2026