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Title:
Microwave detection of interstellar cyanamide
Authors:
Turner, B. E.; Liszt, H. S.; Kaifu, N.; Kisliakov, A. G.
Affiliation:
AA(National Radio Astronomy Observatory, Green Bank, W. Va.), AB(National Radio Astronomy Observatory, Green Bank, W. Va.), AC(National Radio Astronomy Observatory, Green Bank, W. Va.), AD(Nauchno-Issledovatel'skii Radiofizicheskii Institut, Gorki, USSR)
Publication:
Astrophysical Journal, vol. 201, Nov. 1, 1975, pt. 2, p. L149-L152. (ApJL Homepage)
Publication Date:
11/1975
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Cyanamides, Emission Spectra, Interstellar Matter, Microwave Emission, Abundance, Astronomical Spectroscopy, Line Spectra, Molecular Spectra
DOI:
10.1086/181963
Bibliographic Code:
1975ApJ...201L.149T

Abstract

We report the detection of interstellar cyanamide (NH2CN) based on the observation of line emission in Sgr B2 at 80504.5 and 100629.5 MHz corresponding to the transitions 4(13)-3(12) and 5(14)-3(13). Statistical equilibrium calculations indicate a low column density (about 100 trillions per sq cm) arising from a rather high density region (greater than about 100,000 per cu cm).

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Physics
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