A. Remijan, H. N. Scolati, A. M. Burkhardt, P. B. Changala, S. B. Charnley, I. R. Cooke, M. A. Cordiner, H. Gupta, E. Herbst, K. L. K. Lee, R. A. Loomis, C. N. Shingledecker, M. A. Siebert, C. Xue, M. C. McCarthy, and B. A. McGuire
reported on
Astronomical Detection of the Interstellar Anion C₁₀H^– toward TMC-1 from the GOTHAM Large Program on the Green Bank Telescope
Astrophys. J. Lett. 944, Art. No. L45 (2023).
The identification was made by stacking data from the line survey up to 30 GHz; most signal-contribution came from the 13.1 to 19.2 GHz region. The authors also report a tentative detection of C₁₀H with a C₁₀H^– to C₁₀H of roughly 2. In addition, C₁₀H^– is roughly 5 times more abundant than C₈H^– and about one third more abundant than C₆H^–.

Contributor(s): H. S. P. Müller; 2, 2023