Authors: Changala, P. B.; Gupta, H.; Cernicharo, J.; Pardo, J. R.; Agundez, M.; Cabezas, C.; Tercero, B.; Guelin, M.; McCarthy, M. C. Journal: ASTROPHYSICAL JOURNAL LETTERS Publication date: 2022/12/01 DOI: 10.3847/2041-8213/aca144 Abstract: We report the detection of magnesium dicarbide, MgC2, in the laboratory at centimeter wavelengths and assign (MgC2)-Mg-24, (MgC2)-Mg-25, and (MgC2)-Mg-26 to 14 unidentified [...]