Abstract
view Abstract Citations (35) References (16) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Laboratory Detection of C 5S by Pulsed--Discharge-Nozzle Fourier Transform Microwave Spectroscopy Kasai, Yasuko ; Obi, Kinichi ; Ohshima, Yasuhiro ; Hirahara, Yasuhiro ; Endo, Yasuki ; Kawaguchi, Kentarou ; Murakami, Akinori Abstract The rotational spectrum of C5S in the X 1Sigma+(v = 0) ground state has been observed for the first time using a Fabry-Perot-type Fourier transform microwave spectrometer combined with a pulsed discharge nozzle. C5S was generated by a discharge in a mixture of CS2 and C2H2 diluted in Ar, and subsequently cooled down to a few kelvins in a supersonic jet. Eight rotational transitions of C5 32S have been observed in the 5-20 GHz region. Three lines for the less abundant S-34 species have also been detected to confirm the carrier of the observed lines to be C5S. Determined spectroscopic constants will allow a deep radio astronomical search for C5S in interstellar clouds and circumstellar envelopes of late-type stars. Publication: The Astrophysical Journal Pub Date: June 1993 DOI: 10.1086/186876 Bibcode: 1993ApJ...410L..45K Keywords: Astronomical Spectroscopy; Interstellar Matter; Late Stars; Line Spectra; Microwave Spectra; Radio Spectroscopy; Stellar Envelopes; Acetylene; Carbon Compounds; Carbon Disulfide; Fabry-Perot Spectrometers; Molecular Energy Levels; Sulfur Compounds; Supersonic Jet Flow; Astronomy; LINE: IDENTIFICATION; MOLECULAR DATA; MOLECULAR PROCESSES; ISM: MOLECULES full text sources ADS |
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