Abundance of interstellar carbon toward Zeta Ophiuchi

Details Abundance of interstellar carbon toward Zeta Ophiuchi Abundance of interstellar carbon toward Zeta Ophiuchi

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...402l..17c&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 402, no. 1, p. L17-L20.

Astronomy and Astrophysics

Astrophysics

101

Abundance, Carbon, Interstellar Matter, Ophiuchi Clouds, Astronomical Spectroscopy, Hydrocarbons, Spectral Line Width

Scientific paper

We report on the detection of the weak intersystem transition of semiforbidden C II 2325 A in the sight line toward Zeta Oph using the Ech-B mode of the Goddard High-Resolution Spectrograph. The measured equivalent width of the semiforbidden C II line is W(lambda) = 0.52 +/- 0.12 mA, implying a C II column density of 1.80 (+/- 0.42) x 10 exp 17 atoms/sq cm and (C/H)Zeta Oph = 1.32 (+/- 0.32) x 10 exp -4.

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