학술논문
High-redshift Galaxy Candidates at z = 9–10 as Revealed by JWST Observations of WHL0137-08
Document Type
article
Author
Larry D. Bradley; Dan Coe; Gabriel Brammer; Lukas J. Furtak; Rebecca L. Larson; Vasily Kokorev; Felipe Andrade-Santos; Rachana Bhatawdekar; Maruša Bradač; Tom Broadhurst; Adam Carnall; Christopher J. Conselice; Jose M. Diego; Brenda Frye; Seiji Fujimoto; Tiger Y.-Y Hsiao; Taylor A. Hutchison; Intae Jung; Guillaume Mahler; Stephan McCandliss; Masamune Oguri; Marc Postman; Keren Sharon; M. Trenti; Eros Vanzella; Brian Welch; Rogier A. Windhorst; Adi Zitrin
Source
The Astrophysical Journal, Vol 955, Iss 1, p 13 (2023)
Subject
Language
English
ISSN
1538-4357
Abstract
We report the discovery of four galaxy candidates observed 450–600 Myr after the Big Bang with photometric redshifts between z ∼ 8.3 and 10.2 measured using James Webb Space Telescope (JWST) NIRCam imaging of the galaxy cluster WHL0137−08 observed in eight filters spanning 0.8–5.0 μ m, plus nine Hubble Space Telescope filters spanning 0.4–1.7 μ m. One candidate is gravitationally lensed with a magnification of μ ∼ 8, while the other three are located in a nearby NIRCam module with expected magnifications of μ ≲ 1.1. Using SED fitting, we estimate the stellar masses of these galaxies are typically in the range $\mathrm{log}{M}_{\star }/{M}_{\odot }$ = 8.3–8.7. All appear young, with mass-weighted ages