Image Details
Caption: Figure 11.
Lens redshifts and Einstein radii θE of lensing galaxies of known quadruply lensed quasars. Previously discovered objects are plotted with dots and squares. The three targets in this work are plotted with colored horizontal lines. See the Appendix for a complete list of objects shown and corresponding reference.
© 2026. The Author(s). Published by the American Astronomical Society.