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Astron. Astrophys. Suppl. Ser. 139, 483-490

Kinematics of early-type galaxies in compact groups[*] [*]

HCG 67, HCG 74, and HCG 79

P. Bonfanti 1, F. Simien 2, R. Rampazzo 1, and Ph. Prugniel 2

Send offprint request: F. Simien

1 - Osservatorio Astronomico di Brera, Via Brera 28, I-20121, Milano, Italy
2 - CRAL-Observatoire de Lyon, CNRS UMR 142, F-69561 St-Genis-Laval Cedex, France

Received May 10; accepted August 3, 1999


We present measurements of stellar kinematics for seven early-type galaxies in HCG 67, HCG 74, and HCG 79. These data are aimed at studying the relation between the environment and the dynamics, structure and stellar content of early-type galaxies. In the present three groups, the kinematic features we observed cannot be associated unambiguously to physical interactions. Visible morphological peculiarities do not appear correlated with kinematical perturbations.

Key words: galaxies: kinematic and dynamics;galaxies: interactions; galaxies: elliptical andlenticular, cD; galaxies: formation; galaxies: evolution

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