the left column shows the radial profile of the surface brightness (open circles with error bars), PSF ...
component (blue), S\'ersic\ (red) component, and total model (purple; PSF $+$ S\'ersic).
left to right, the original data, best-fit total model, data with the nucleus component modeled by a PSF ...
S\'ersic index, half-light radius ($R_e$), and host fraction $f_{\rm host} \equiv $ {S\'ersic / (PSF ...