Detection of C${}_3$ in Diffuse Interstellar Clouds

J. P. Maier, N. M. Lakin, G. A. H. Walker +1

The smallest polyatomic carbon chain, C${}_3$, has been identified in interstellar clouds (A${}_v\sim$1 mag) towards $\zeta$ Ophiuchi, 20 Aquilae, and $\zeta$ Persei by detection of the or…