High-resolution laser spectroscopy of the linear SiC2Si molecule and its astrophysical implications Boxing Zhu, Jingwang Gu, Chunting Yu, Zengjun Xiao, Yang Chen and Dongfeng Zhao A&A, 637 (2020) A81 Published online: 19 May 2020 DOI: 10.1051/0004-6361/202037448