... gradients

Full Table 1 and Table 2 are only available in electronic form at http://www.edpsciences.org

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... gradient

Galactic winds can produce metallicity gradients without invoking dissipation (e.g., Franx & Illingworth 1990; Martinelli et al. 1998), with the local metallicity coupled directly to the local potential well depth and essentially independent of the galaxy formation collapse physics.

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... online

http://www.ucm.es/info/Astrof/users/pat/pat.html

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... well

Davies et al. (2003) calculated the local escape velocity using the surface brightness and the kinematics of the galaxies (Jørgensen et al. 1992). Carollo & Danziger (1994) obtained this parameter with asymmetric dynamical models that depended on the total energy and the angular momentum along the symmetry axis. Mehlert et al. (2003) used the gradient of velocity dispersion as a measure of the local potential well depth.

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