Space and laboratory discovery of HC3S+ J. Cernicharo, C. Cabezas, Y. Endo, N. Marcelino, M. Agúndez, B. Tercero, J. D. Gallego and P. de Vicente A&A, 646 (2021) L3 Published online: 04 February 2021 DOI: 10.1051/0004-6361/202040013