Sulfur in IRC + 10216

Details Sulfur in IRC + 10216 Sulfur in IRC + 10216

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...181l...9c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 181, no. 1, July 1987, p. L9-L12.

Astronomy and Astrophysics

Astrophysics

60

Infrared Stars, Radio Spectra, Stellar Envelopes, Stellar Spectra, Sulfur, Abundance, Astronomical Spectroscopy, Carbon

Scientific paper

The authors report the detection of 12 lines of C2S and 11 lines of C3S in IRC +10216. These lines, which sample a large range of rotational energies, yield accurate values of these species' column densities. The abundances of C2S and C3S are compared to those of other sulfur molecules and carbon chains. C2S and C3S are a factor of ≈40 less abundant than CS, but about as abundant as C5H and C6H, two carbon chain radicals of similar weight. The detection of these molecules and of H2S shows that sulfur chemistry in circumstellar envelopes is more interesting than previously thought.

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