Values of ⟨ V ⟩ vs. ⟨ X ⟩ for the galaxies of the sample. The different colours represent the different techniques used for computing the kinematic and photometric integrals of the TW method. Black and green lines represent light-weighted photometric integrals, with kinematic integrals computed using velocity maps or summing spectra along pseudo slits, respectively (corresponding to Ωb,1 and Ωb,2). Red and blue lines represent mass-weighted photometric integrals with kinematic integrals computed using velocity maps or summing spectra along pseudo slits, respectively (corresponding to Ωb,3 and Ωb,4).
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