IDENTIFICATION OF THE INTERSTELLAR CYANOMETHYL RADICAL (CH2CN) IN THE MOLECULAR CLOUDS TMC-1 AND SAGITTARIUS-B2
Publication Date
1988
Journal or Book Title
ASTROPHYSICAL JOURNAL
Abstract
The authors report the astronomical identification of the cyanomethyl radical, CH2CN, the heaviest nonlinear molecular radical to be identified in interstellar clouds. The complex fine and hyperfine structures of the lowest rotational transitions at about 20.12 and 40.24 GHz are resolved in TMC-1, where the abundance appears to be about 5×10-9 relative to that of H2. In Sgr B2 the hyperfine structure is blended in the higher frequency transitions at 40, 80, and 100 GHz, although the spin-rotation doubling is clearly evident. Preliminary searches in other sources indicate that the distribution of CH2CN is similar to that for such carbon chain species as HC3N or C4H.
DOI
https://doi.org/10.1086/185323
Pages
L107-L111
Volume
334
Issue
2
Recommended Citation
Irvine, William M.; FRIBERG, P; HJALMARSON, A; ISHIKAWA, S; KAIFU, N; KAWAGUCHI, K; MADDEN, SC; MATTHEWS, HE; OHISHI, M; SAITO, S; SUZUKI, H; THADDEUS, P; TURNER, BE; YAMAMOTO, S; and ZIURYS, LM, "IDENTIFICATION OF THE INTERSTELLAR CYANOMETHYL RADICAL (CH2CN) IN THE MOLECULAR CLOUDS TMC-1 AND SAGITTARIUS-B2" (1988). ASTROPHYSICAL JOURNAL. 259.
https://doi.org/10.1086/185323
Comments
The published version is located at http://adsabs.harvard.edu/doi/10.1086/185323