most citedA new quasar strongly-lensed candidate by the galaxy cluster WHJ0400-27 with a image-separation

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astro-ph.GA2025★ 2 cited

A new quasar strongly-lensed candidate by the galaxy cluster WHJ0400-27 with a 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…

astro-ph.GA2024

Euclid: Early Release Observations -- A preview of the Euclid era through a galaxy cluster magnifying lens

H. Atek, R. Gavazzi, J. R. Weaver +200

We present the first analysis of the Euclid Early Release Observations (ERO) program that targets fields around two lensing clusters, Abell 2390 and Abell 2764. We use VIS and NISP…