550 citations · 5.4k across the 333 of their papers we have counts for
Showing 1998 · astro-phShow all
3 papers · 2 filters
astro-ph1998
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
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…
astro-ph1998
BIMA and Keck Imaging of the Radio Ring PKS 1830-211
B. L. Frye, F. Courbin, T. Broadhurst +5
We discuss BIMA (Berkeley Illinois Maryland Association) data and present new high quality optical and near-IR Keck images of the bright radio ring PKS 1830-211. Applying a powerfu…