Extended Data Fig. 4: Parametric morphological modeling of ceers-2112.
From: A Milky Way-like barred spiral galaxy at a redshift of 3
a, One-component Sérsic model of ceers-2112. b, One-component Sérsic residuals, which highlight the bar and spiral structures (black and green contours, respectively) c, Two-dimensional bar+disk model, which shows a stellar bar of length rFerrers = 0.42 ± 0.03 arcsec (3.3 kpc). d, Two-dimensional bar+disk model residuals. The bar and spiral structures (black and green contours, respectively) are superposed to the image. The black dashed line marks the break radius of the double-exponential disk model, where the surface brightness of the model rapidly declines.
