High resolution optical and near-IR imaging of the quadruple quasar RX J0911.4+0551

I. Burud, F. Courbin, C. Lidman +10

We report the detection of four images in the recently discovered lensed QSO RX J0911.4+0551. With a maximum angular separation of 3.1", it is the quadruply imaged QSO with the wid…