Carbon-bearing molecules and SiS in oxygen-rich circumstellar envelopes

Details Carbon-bearing molecules and SiS in oxygen-rich circumstellar envelopes Carbon-bearing molecules and SiS in oxygen-rich circumstellar envelopes

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...205l..15l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 205, no. 1-2, Oct. 1988, p. L15-L18.

Astronomy and Astrophysics

Astrophysics

61

Chemical Composition, Hydrocyanic Acid, Inorganic Sulfides, Silicon Compounds, Stellar Envelopes, Abundance, Oxygen Compounds, Radio Emission

Scientific paper

The authors report seven new detections of HCN towards oxygen-rich circumstellar envelopes. CS was detected towards two of them and a possible detection of HNC was also made. Furthermore, first detection of SiS in an oxygen-rich circumstellar shell is presented. Two objects with uncertain chemical compositions were detected in HCN and CS. The estimated abundances are of the order 7×10-7 for HCN, 4×10-7 for CS, and 1×10-6 for SiS.

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