A Search for the 110 ← 111 Transition of Interstellar Thioformaldehyde

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Science  14 Aug 1970:
Vol. 169, Issue 3946, pp. 680-681
DOI: 10.1126/science.169.3946.680


A search has been made for the 110 ← 111 transition of thioformaldehyde in interstellar clouds where formaldehyde is known to exist. Failure to detect this transition indicates that the ratio of thioformaldehyde abundance to that of formaldehyde is probably less than the abundance ratio of sulfur to oxygen.

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