Kinematics of diffuse elliptical galaxies
Philippe Prugniel, Francois Simien
Abstract
New observations show that most of the flattened diffuse elliptical (dE) galaxies are essentially isotropic rotators. This supports the idea that dEs have evolved from fast rotating dIrr systems or late-type spirals after their gas was expelled by SN-driven winds and stripped by ram pressure against the intergalactic medium.
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