A search for C2/-/ features in the hydrogen-poor carbon star HD 182040

Details A search for C2/-/ features in the hydrogen-poor carbon star HD 182040 A search for C2/-/ features in the hydrogen-poor carbon star HD 182040

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...105..219w&link_type=abstract

Astronomy and Astrophysics, vol. 105, no. 1, Jan. 1982, p. 219, 220.

Astronomy and Astrophysics

Astrophysics

5

Anions, Carbon Stars, Electron Transitions, Molecular Ions, Stellar Spectra, Vibrational Spectra, Opacity, Photodecomposition

Scientific paper

Rotational lines of the 0-0 vibrational band of the B 2 Sigma u + - X 2 Sigma g + electronic transition of the C2(-) ion has been sought in the spectrum of the hydrogen-deficient carbon star HD 182040. Significant wavelength coincidences were not found. The possibility that photo-detachment of C2(-) is a significant opacity source in the blue-violet region of cool carbon stars has not been eliminated by the lack of detectable C2 lines in a relatively hot carbon star.

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