Kinematical data on early-type galaxies. VI.

Free access article

Issue		A&A Volume 384, Number 2, March III 2002


Page(s)		371 - 382
Section		Extragalactic astronomy
DOI		http://dx.doi.org/10.1051/0004-6361:20020071

A&A 384, 371-382 (2002)
DOI: 10.1051/0004-6361:20020071

Kinematical data on early-type galaxies. VI.

F. Simien and Ph. Prugniel

CRAL-Observatoire de Lyon, CNRS: UMR 142, 69561 St-Genis-Laval Cedex, France

(Received 8 June 2001 / Accepted 7 December 2001 )

Abstract
We present the result of spectroscopic observations of a sample of 73 galaxies, completing the database published in this series of articles. The sample contains mostly low-luminosity early-type objects, including four dwarfs of the Local Group (in particular, deep spectra of NGC 205), 15 dEs or dS0s in the Virgo cluster, and UGC 05442, a spheroidal dwarf of the M 81 group. We have measured the central velocity dispersion for all but one object, and determined the major-axis rotation and velocity-dispersion profiles for 59 objects. For the current sample of diffuse (or dwarf) elliptical galaxies, we have compared stellar rotation to velocity dispersion; the analysis suggests that these objects may be nearly rotationally flattened, and therefore that anisotropy may be less important than previously thought.

Key words: galaxies: elliptical and lenticular, cD -- galaxies: kinematics and dynamics -- galaxies: fundamental parameters -- galaxies: general

Offprint request: F. Simien, simien@obs.univ-lyon1.fr

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