Interstellar C2 molecules toward Omicron Persei

Details Interstellar C2 molecules toward Omicron Persei Interstellar C2 molecules toward Omicron Persei

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...243..485h&link_type=abstract

Astrophysical Journal, Part 1, vol. 243, Jan. 15, 1981, p. 485-488. NASA-supported research.

Astronomy and Astrophysics

Astrophysics

27

Absorption Spectra, Abundance, Carbon, Interstellar Matter, Stellar Spectra, Density (Mass/Volume), Spectral Line Width

Scientific paper

Seven weak interstellar absorption lines of the (2-0) Phillips band of C2 near the wavelength 8760 are detected in the spectrum of Omicron Persei. All of the lines have equivalent widths less than 2 mA and originate from the five lowest rotational levels of C2. The resulting total column density is N(C2) = 1.5 x 10 to the 13th/sq cm, and the excitation temperature is T = 116 plus or minus 16 K.

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