Interstellar C3N - Detection in Taurus dark clouds

Details Interstellar C3N - Detection in Taurus dark clouds Interstellar C3N - Detection in Taurus dark clouds

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...241l..99f&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 241, Oct. 15, 1980, p. L99-L103.

Astronomy and Astrophysics

Astrophysics

35

Cyano Compounds, Fine Structure, Interstellar Matter, Molecular Clouds, Taurus Constellation, Abundance, Astrophysics, Cyanoacetylene, Electron Transitions, Radicals, Spectral Line Width

Scientific paper

The first detection is reported of the radical C3N in interstellar sources, at the centers of the two dark clouds TMC 1 and TMC 2. The very small line widths observed for this low-order transition (N equals 3-2) allow a partial resolution of the hyperfine structure and a tentative estimate of this radical's hyperfine constants. The C3N/HC3N abundance ratio observed in the two clouds is similar to that in IRC plus 10216, but much larger than the upper limit derived for Orion A and Sagittarius B2.

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