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A Morphology Catalog of Galaxies in CEERS: Evolution in the Size and Color Gradients of Galaxies Since Cosmic Dawn

  • Authors: Elizabeth J. McGrath, Steven L. Finkelstein, Guillermo Barro, Viraj Pandya, Henry C. Ferguson, Jeyhan S. Kartaltepe, Dale D. Kocevski, Ricardo O. Amorín, Bren E. Backhaus, Fernando Buitrago, Antonello Calabrò, Yingjie Cheng, Luca Costantin, Isa G. Cox, Kelcey Davis, Giovanni Gandolfi, Yuchen Guo, Nimish P. Hathi, Michaela Hirschmann, Benne W. Holwerda, Marc Huertas-Company, Anton M. Koekemoer, Ray A. Lucas, Bahram Mobasher, Fabio Pacucci, Casey Papovich, Pablo G. Pérez-González, Jonathan R. Trump, L. Y. Aaron Yung, Pablo Arrabal Haro, Micaela B. Bagley, Mark Dickinson, Adriano Fontana, Andrea Grazian, Norman A. Grogin, Lisa J. Kewley, Allison Kirkpatrick, Jennifer M. Lotz, Laura Pentericci, Nor Pirzkal, Swara Ravindranath, Rachel S. Somerville, Stephen M. Wilkins, Guang Yang, Lise-Marie Seillé, Xin Wang

Elizabeth J. McGrath et al 2026 The Astrophysical Journal Letters 999 .

  • Provider: AAS Journals

Caption: Figure 6.

Comparison of galaxy sizes in short vs. long wavelengths. Left: sizes of galaxies detected in CANDELS imaging in the F160W filter vs. sizes measured in CEERS at F444W. Right: sizes for the same set of galaxies as in the left-hand panel, but measured entirely from CEERS imaging (F150W vs. F444W). Galaxies are smaller on average by 0.046 dex in F444W than in F150W or F160W, indicating that the rest-frame NIR light, which more closely traces the mass distribution, is more centrally concentrated than the rest-frame optical light.

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