Detection of interstellar nitrogen sulfide

Details Detection of interstellar nitrogen sulfide Detection of interstellar nitrogen sulfide

Sep 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...200l.147g&link_type=abstract

Astrophysical Journal, vol. 200, Sept. 15, 1975, pt. 2, p. L147-L149.

Astronomy and Astrophysics

Astronomy

20

Electron Transitions, Emission Spectra, Interstellar Matter, Microwave Spectra, Nitrogen Compounds, Sulfides, Ion Density (Concentration), Radio Astronomy, Spectral Line Width

Scientific paper

The detection and positive identification of interstellar NS is reported. The radio emission was observed from Sgr B2 and is attributed to the J = 5/2 to J = 3/2 transitions in the 2 Pi(1/2) c-state (115.16 GHz) and d-state (115.6 GHz) of (N-14)(S-32). Statistical-equilibrium calculations are used to derive a NS column density of the order of 10 to the 14th power per sq cm. This result is found to be in qualitative agreement with previous observations of other sulfur-containing molecules in Sgr B2, including SO, CS, H2S, OCS, and CH2S.

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