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19952026
most citedThe UKIRT Infrared Deep Sky Survey (UKIDSS)

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astro-ph.CO2026

Resolving 3 Exotic Hyperbolic-Umbilic Lensing Configurations in the "Cosmic Mantis": An Exploration of RXJ0437.1+0043 with JWST

Catherine Cerny, David J. Lagattuta, Keren Sharon +12

We present an updated strong lensing model for the galaxy cluster RXJ0437.1+0043 (z=0.285) using new JWST NIRCam imaging in four pass-bands. The cluster field notably displays at l…