The early one was at z=4.38, the later one at z=4.687, the quasar itself lies at z=4.695* In 1986, a gravitationally lensed galaxy forming a blue arc was found lensed by galaxy cluster CL 2224-02 (C12224 in some references).
The early one was at z=4.38, the later one at z=4.687, the quasar itself lies at z=۴٫۶۹۵* In 1986, a gravitationally lensed galaxy forming a blue arc was found lensed by galaxy cluster CL 2224-02 (C12224 in some references).