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Diego, Keren Sharon, Kyle O'Connor, Larry Bradley, Louis-Gregory Strolger, Marc Postman, Mario Nonino, Marusa Bradac, Masami Ouichi, Masamune Oguri, Matthew B. Bayliss, Meridith Joyce, Michael Florian, Michele Trenti, Nir Mandelker, Paola Dimauro, Pascal A. Oesch, Patrick Kelly, Rachana Bhatawdekar, Rebecca L. Larson, Roberto J. Avila, Rogier Windhorst, Rosa Newshore, Russell E. Ryan Jr., Sebastian Gomez, S.E. de Mink, Seiji Fujimoto, Soniya Sharma, Stephan McCandliss, Sune Toft, Swara Ravindranath, Takahiro Morishita, Taylor A. Hutchison, Tiger Y.-Y Hsiao, Tom Broadhurst, Victoria Strait, Wenlei Chen, Yolanda Jimenez-Teja","submitted_at":"2022-08-18T18:00:32Z","abstract_excerpt":"The gravitationally lensed star WHL0137-LS, nicknamed Earendel, was identified with a photometric redshift $z_{phot} = 6.2 \\pm 0.1$ based on images taken with the Hubble Space Telescope. Here we present James Webb Space Telescope (JWST) Near Infrared Camera (NIRCam) images of Earendel in 8 filters spanning 0.8--5.0$\\mu$m. In these higher resolution images, Earendel remains a single unresolved point source on the lensing critical curve, increasing the lower limit on the lensing magnification to $\\mu > 4000$ and restricting the source plane radius further to $r < 0.02$ pc, or $\\sim 4000$ AU. 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