The Detection of Higher-Order Millimeter Hydrogen Recombination Lines in the Large Magellanic Cloud

Marta Sewiło, Kazuki Tokuda, Stan E. Kurtz +10

We report the first extragalactic detection of the higher-order millimeter hydrogen recombination lines ($\Delta n>2$). The $\gamma$-, $\epsilon$-, and $\eta$-transitions have been detected toward the…