210 citations · 1.2k across the 21 of their papers we have counts for
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astro-ph1998★ 3 cited
Three photometric methods tested on ground-based data of Q 2237+0305
I. Burud, R. Stabell, P. Magain +5
The Einstein Cross, Q~2237+0305, has been photometrically observed in four bands on two successive nights at NOT (La Palma, Spain) in October 1995. Three independent algorithms hav…
astro-ph1998★ 56 cited
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…