Laboratory measurements and astronomical search for the HSO radicalGabriele Cazzoli, Valerio Lattanzi, Till Kirsch, Jürgen Gauss, Belén Tercero, José Cernicharo and Cristina PuzzariniA&A, 591 (2016) A126DOI: https://doi.org/10.1051/0004-6361/201628745