Detection of the linear SiC${}_3$ and SiC${}_5$ radicals in IRC\,+10216

José Cernicharo, Juan Ramón Pardo, Marcelino Agúndez +6

We detected the linear ${}^3{\Sigma }^{-}$ radicals SiC${}_3$ and SiC${}_5$ toward IRC+10216 using an ultrasensitive line survey gathered with the Yebes 40\,m radio telescope. The derived column d…