Fig. 12.
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Lensing-mass fundamental plane with a flexible power-law mass profile log Reff = alog σ1/2 + blogΣ1/2 + c. The plane is fit to the combined SL2S, SLACS/KCWI, and SLACS-X samples. The TDCOSMO sample is overplotted. Here Σ1/2 = MReff/2/π(Reff/2)2 is the average lensing surface-mass density within half the effective radius. We updated the SLACS-X lens models to those from Tan et al. (2024) with free power-law slopes to compare with SL2S and SLACS/KCWI lens models. σ1/2 is given in units of 250 km s−1, M1/2 in units of 1010 M⊙, and Reff in kpc. The dotted line shows the one-to-one line.
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