B0712+472: a new radio four-image gravitational lens

• 21 May 1998
• journal article
• research article
• Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
• Vol. 296  (3) , 483-490
• https://doi.org/10.1046/j.1365-8711.1998.01304.x

Abstract

Keywords

• GALAXIES: ACTIVE
• GALAXIES: FUNDAMENTAL PARAMETERS
• QUASARS: EMISSION LINES
• GRAVITATIONAL LENSING