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Unveiling the Cosmic Gems Arc at z ∼ 10 with JWST NIRCam

  • Authors: Larry D. Bradley, Angela Adamo, Eros Vanzella, Keren Sharon, Gabriel Brammer, Dan Coe, Jose M. Diego, Vasily Kokorev, Guillaume Mahler, Masamune Oguri, Abdurro'uf, Rachana Bhatawdekar, Lise Christensen, Seiji Fujimoto, Takuya Hashimoto, Tiger Y.-Y Hsiao, Akio K. Inoue, Yolanda Jiménez-Teja, Matteo Messa, Colin Norman, Massimo Ricotti, Yoichi Tamura, Rogier A. Windhorst, Xinfeng Xu, Adi Zitrin

Larry D. Bradley et al 2025 The Astrophysical Journal 991 .

  • Provider: AAS Journals

Caption: Figure 9.

Best-fit EAZYPY photometric redshift for the candidate counterimage. The measured fluxes are shown as blue data points or triangle upper limits. Nondetections are plotted as upper limits at the 2σ level. The best-fit EAZYPY SED model is shown in orange, with squares indicating the expected photometry in a given band. In the right-hand panel, we plot the P(z) posterior redshift probability distribution. The candidate counterimage has a best-fit photometric redshift of ﹩{z}_{{\rm{phot}}}=10.{8}_{-1.4}^{+0.6}﹩, which is consistent with the redshift of the Cosmic Gems Arc of zphot = 10.2 ± 0.2.

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