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Everything Every Band All at Once. I. A Global Morphology Catalog in A2744 Based on UNCOVER/MegaScience

Authors: Yunchong Zhang, Tim B. Miller, Sedona H. Price, Katherine A. Suess, Rachel Bezanson, David J. Setton, Joel Leja, Katherine E. Whitaker, Jenny E. Greene, Robert Feldmann, Seiji Fujimoto, Themiya Nanayakkara, Gabriel Brammer, Sam E. Cutler, Pratika Dayal, Anna de Graaff, Yoshinobu Fudamoto, Lukas J. Furtak, Andy D. Goulding, Gourav Khullar, Ivo Labbe, Brian Lorenz, Danilo Marchesini, Abby Mintz, Lamiya A. Mowla, Adam Muzzin, Erica J. Nelson, Richard Pan, Natalia Porraz Barrera, Edward N. Taylor, Arjen van der Wel, Bingjie Wang, 冰洁王, John R. Weaver, Christina C. Williams

Yunchong Zhang et al 2026 The Astrophysical Journal Supplement Series 285 .

Provider: AAS Journals

Caption: Figure 1.

Example Sérsic fits of two galaxies in all 20 NIRCam medium or broad bands. The six rows on the top show the original images, best-fitting models, and residuals of a galaxy (ID: 31573) that is well described by a single 2D Sérsic model (use fit = 2). The six rows on the bottom present the fitting results of a galaxy (ID: 30351) that has non-Sérsic structural features, such as spiral arms, but reliable size measurements (use fit = 1). The black solid contours show the image mask used in structural fitting. These fits are properly flagged and allow us to characterize galaxy structural parameters as functions of wavelength.

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