NASA NTRS · 19800032739
Interstellar isothiocyanic acid
Abstract
Isothiocyanic acid (HNCS) has been identified in Sgr B2 from millimeter-wave spectral line observations. We have definitely detected three rotational lines, and have probably detected two others. The rotational temperature of HNCS in Sgr B2 is 14 plus or minus 5 K, its column density is 2.5 plus or minus 1.0 x 10 to the 13th per sq cm, and its abundance relative to HNCO is consistent with the cosmic S/O ratio, 1/42.
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Frerking, M. A., Linke, R. A., Thaddeus, P.. 1979-12-01. Interstellar isothiocyanic acid. https://ntrs.nasa.gov/citations/19800032739
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