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Is there a dichotomy in the Dark Matter as well as in the Baryonic Matter properties of ellipticals?

Published online by Cambridge University Press:  26 May 2016

N. R. Napolitano ,
M. Capaccioli ,
M. Arnaboldi ,
M. R. Merrifield ,
N. G. Douglas ,
K. Kuijken ,
A.J. Romanowsky  and
K.C. Freeman
N. R. Napolitano
Affiliation:
Kapteyn Institute, Groningen
M. Capaccioli
Affiliation:
INAF-Osservatorio Astronomico di Capodimonte, Naples
M. Arnaboldi
Affiliation:
INAF- Osservatorio Astronomico di Pino Torinese, Turin
M. R. Merrifield
Affiliation:
School of Physics f3 Astronomy, University of Nottingham
N. G. Douglas
Affiliation:
Kapteyn Institute, Groningen
K. Kuijken
Affiliation:
Kapteyn Institute, Groningen University of Leiden
A.J. Romanowsky
Affiliation:
School of Physics f3 Astronomy, University of Nottingham
K.C. Freeman
Affiliation:
RSAA, Mt. Stromlo Observatory

Abstract

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We have found a correlation between the M / L global gradients and the structural parameters of the luminous components of a sample of 19 early-type galaxies. Such a correlation supports the hypothesis that there is a connection between the dark matter content and the evolution of the baryonic component in such systems.

Type
Part 5: Clusters and Ellipticals
Information
Symposium - International Astronomical Union , Volume 220: Dark Matter in Galaxies , 2004 , pp. 173 - 174
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

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