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Amano (Department of Chemistry, Tsushima-naka 3-1-1, University of Waterloo, Waterloo","submitted_at":"2016-04-01T21:31:30Z","abstract_excerpt":"We report the first extragalactic detection of CF+, the fluoromethylidynium ion, in the z=0.89 absorber toward PKS1830-211. We estimate an abundance of ~3E-10 relative to H2 and that ~1% of fluorine is captured in CF+. The absorption line profile of CF+ is found to be markedly different from that of other species observed within the same tuning, and is notably anti-correlated with CH3OH. On the other hand, the CF+ profile resembles that of [C I]. 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