Rotational spectrum of the CCS radical studied by laboratory microwave spectroscopy and radio-astronomical observations

Details Rotational spectrum of the CCS radical studied by laboratory microwave spectroscopy and radio-astronomical observations Rotational spectrum of the CCS radical studied by laboratory microwave spectroscopy and radio-astronomical observations

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...361..318y&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 361, Sept. 20, 1990, p. 318-324.

Astronomy and Astrophysics

Astronomy

51

Interstellar Matter, Microwave Spectra, Radicals, Radio Astronomy, Rotational Spectra, Carbon, Isotopes, Molecular Clouds, Molecular Rotation, Spectral Bands

Scientific paper

The rotational spectral lines of the CCS radical and its isotopic species, CC(S-34), (C-13)CS, and C(C-13)S, have been observed in the laboratory, and the J(N) = 4(3)-3(2), J(N) = 2(1)-1(0), and J(N) = 3(4)-2(3) transitions for CCS and that of J(N) = 4(3)-3(2) for CC(S-34) have been observed toward a cold dark cloud, L1498. The molecular constants of CCS, CC(S-34), (C-13)CS, and C(C-13)S have been determined from the observed transition frequencies, and the rest frequencies of CCS and CC(S-34) below 300 GHz are listed with their line strengths. The frequencies of the low-N transitions of (C-13)CS and C(C-13)S are calculated for future astronomical observations.

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