Evidence for Ambipolar Diffusion from Ion-Neutral Velocity Drift in HH 212

J. A. López-Vázquez, Chin-Fei Lee, Carlos Tapia +4

We present the Atacama Large Millimeter/submillimeter Array Band 7 observations of the hyperfine structure of C${}^{17}$O (3-2) and the H${}^{13}$CO${}^{+}$ (4-3) molecular line emission…