Minor-axis kinematics for seven elliptical galaxies

Details Minor-axis kinematics for seven elliptical galaxies Minor-axis kinematics for seven elliptical galaxies

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...192...24b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 192, no. 1-2, March 1988, p. 24-28.

Astronomy and Astrophysics

Astrophysics

8

Elliptical Galaxies, Kinematics, Radial Velocity, Astronomical Models, Galactic Structure

Scientific paper

The authors present new radial velocity and velocity dispersion data for the minor axes of seven elliptical galaxies from spectra taken with the ESO 1.5-m telescope. In all cases, with the possible exception of NGC 3557, there is no evidence for minor axis rotation. A constant velocity dispersion along the minor axis appears to be a property quite common to ellipticals and S0's bulges, both from the authors' data and from the literature. From the theoretical models available in the literature, the authors found that the above property is an indication of anisotropy variation in the galaxy velocity field.

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