A new quasar strongly-lensed candidate by the galaxy cluster WHJ0400-27 with a $18^{\prime \prime }$ image-separation

L. Bazzanini, G. Angora, M. Scialpi +14

Time-delay cosmography (TDC) using multiply-lensed quasars (QSOs) by galaxies has recently emerged as an independent and competitive tool to measure the value of the Hubble constan…