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Astronomical Detection of the Interstellar Anion C<sub>10</sub>H<sup>โˆ’</sup> toward TMC-1 from the GOTHAM Large Program on the Green Bank Telescope

Astronomical Detection of the Interstellar Anion C<sub>10</sub>H<sup>โˆ’</sup> toward TMC-1 from the GOTHAM Large Program on the Green Bank Telescope

Abstract Using data from the Green Bank Telescope (GBT) Observations of TMC-1: Hunting for Aromatic Molecules (GOTHAM) survey, we report the first astronomical detection of the C 10 H โˆ’ anion. The astronomical observations also provided the necessary data to refine the spectroscopic parameters of C 10 H โˆ’ . โ€ฆ