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We analyse the role of bars in the build‐up of central mass concentrations in massive, disc galaxies. Our parent sample consists of 3757 face‐on disc galaxies with redshifts between 0.01 and 0.05, selected from the seventh Data Release of the Sloan Digital Sky Survey. 1555 galaxies with bars are identified using the position angle and ellipticity profiles of the i‐band light. We compare the ratio...
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