Showing papers by "Charles H. Townes published in 1970"
01 Jan 1970
40 citations
TL;DR: In this article, a search has been made for the 110 ← 111 transition of thioformaldehyde in interstellar clouds where formaldehyde is known to exist, and failure to detect this transition indicates that the ratio of thiosformaldehyde abundance to that of formaldehyde was probably less than the abundance ratio of sulfur to oxygen.
Abstract: 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.
14 citations
TL;DR: In this paper, the authors examined S IV and AR III line intensities of the NGC 7027 IR line spectra emission, examining SIV and AR II line spectras.
Abstract: Planetary nebula NGC 7027 IR line spectra emission, examining S IV and AR III line intensities
8 citations