QSO hosts and environments at z=0.9 to 4.2: JHK images with adaptive optics

J. B. Hutchings, D. Crampton, S. L. Morris +2

We have observed nine QSOs with redshifts 0.85 to 4.16 at near-IR wavelengths with the adaptive optics bonnette of the Canada-France-Hawaii telescope. Exposure times ranged from 15…