Detection of HC11N in IRC + 10 deg 216

Details Detection of HC11N in IRC + 10 deg 216 Detection of HC11N in IRC + 10 deg 216

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982natur.295..389b&link_type=abstract

Nature, vol. 295, Feb. 4, 1982, p. 389-391.

Computer Science

63

Carbon Stars, Cyano Compounds, Hydrocyanic Acid, Molecular Spectroscopy, Stellar Spectra, Abundance, Line Spectra, Microwave Emission, Stellar Envelopes, Stellar Mass Ejection

Scientific paper

The observations of three rotational transitions of HC11N in the microwave emission spectrum of the circumstellar envelope of the cool carbon star IRC + 10 deg 216 are reported. The abundances relative to molecular hydrogen and HC7N are estimated to be about 7 x 10 to the -8th power and 0.7, respectively. With these observations, taken during March and May 1981 at the Haystack Observatory, HC11N becomes the largest and heaviest molecule yet detected outside the earth's atmosphere.

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