Interstellar C2 molecules toward Zeta Ophiuchi

Details Interstellar C2 molecules toward Zeta Ophiuchi Interstellar C2 molecules toward Zeta Ophiuchi

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...254..108h&link_type=abstract

Astrophysical Journal, Part 1, vol. 254, Mar. 1, 1982, p. 108-110.

Astronomy and Astrophysics

Astrophysics

37

Abundance, Carbon, Interstellar Matter, Molecular Spectra, Absorption Spectra, Molecular Rotation

Scientific paper

Ten weak interstellar absorption lines of the (2-0) Phillips band of C2 near 8760 A are detected in the spectrum of Zeta Ophiuchi. All of the lines have equivalent widths smaller than 2 mA, and originate from the six lowest rotational levels of C2. The resulting total column density is equal to about 1.7 x 10 to the 13th/sq cm, and the excitation temperature is 130 + or - 10 K.

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