Detection of C3 in Diffuse Interstellar Clouds


The smallest polyatomic carbon chain, C3, has been identified in interstellar clouds (Av ∼1 mag) towards ζ Ophiuchi, 20 Aquilae, and ζ Persei by detection of the origin band in its AΠu −X 1Σ+g electronic transition, near 4052Å. Individual rotational lines were resolved up to J=30 enabling the rotational level column densities and temperature distributions… (More)


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@inproceedings{Maier2001DetectionOC, title={Detection of C3 in Diffuse Interstellar Clouds}, author={John P Maier and Nicholas M. Lakin and David Bohlender}, year={2001} }