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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 10.

The left panel shows the median difference between the best-fitting Sérsic centroids and the flux centroids in each band in mas. The middle panel shows the difference between the PSF energy centroids and the PSF nominal centroids in each band in milliarcseconds. The right panel shows the average of the centroid offsets shown in the left and middle panels. It is likely the systematic subpixel centroid offsets in our fits are driven by the centroid offsets in PSFs, since the latter have similar amplitudes but opposite directions when compared to the former.

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