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Gas and Star Kinematics in Elliptical Galaxies

Published online by Cambridge University Press:  04 August 2017

F. Bertola ,
D. Bettoni  and
M. Capaccioli
F. Bertola
Affiliation:
Istituto di Astronomia, Università di Padova 35100 PADOVA, ITALY
D. Bettoni
Affiliation:
Istituto di Astronomia, Università di Padova 35100 PADOVA, ITALY
M. Capaccioli
Affiliation:
Istituto di Astronomia, Università di Padova 35100 PADOVA, ITALY

Extract

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Since the time it became evident that ellipticals are not rotationally supported, there has been an increasing interest on their dynamical properties, and new models have been formulated. However, the spectroscopic, as well as the photometric and morphological observations, do not provide yet a clear understanding of the structure of these objects, just proving that they are much more complicated than thought before. An obvious way to attack the problem seems to look at the motions of the gaseous component in those few cases where it is present, because of the different response to the same potential field of the gas and star components.

Type
V. Spheroidal Systems
Information
Symposium - International Astronomical Union , Volume 100: Internal Kinematics and Dynamics of Galaxies , 1983 , pp. 311 - 312
Copyright
Copyright © Reidel 1983 

References

Blackman, C.P., Wilson, H.S., Ward, M.J.:1982, M.N.R.A.S. in press.Google Scholar