2237 + 0305 - A new and unusual gravitational lens

• 1 May 1985
• journal article
• Published by American Astronomical Society in The Astronomical Journal
• Vol. 90, 691-696
• https://doi.org/10.1086/113777

Abstract

Keywords

• RADIO ASTRONOMY
• QUASARS
• RED SHIFT
• GRAVITATIONAL LENS
• EMISSION SPECTRA
• OPTICAL IMAGING
• SPIRAL GALAXIES
• ABSORPTION SPECTRA
• SPECTRUM ANALYSIS
• FLUX DENSITY