Upper limits on CN from exocomets transiting ${\hat{I}}^2$ Pictoris

M. A. Kenworthy, E. de Mooij, A. Brandeker +3

The young (23 Myr) nearby (19.4 pc) star ${\hat{I}}^2$ Pictoris hosts an edge-on debris disk with two gas giant exoplanets in orbit around it. Many transient absorption features have been d…