Knowledge Bank

The $N=1\leftarrow 0$ transition of $\mathrm{<mrow\; data-mjx-texclass="ORD">13</mrow>}CO+$ and $C18O+$ have been detected and measured near 112 GHz. For the $\mathrm{<mrow\; data-mjx-texclass="ORD">13</mrow>}CO+$ form measurements of four of the six possible lines have provided a determination of the $\mathrm{<mrow\; data-mjx-texclass="ORD">13</mrow>}C$ hyperfine parameters.