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Dynamical Interaction between the Different Components of SO-SD Galaxies

Published online by Cambridge University Press:  04 August 2017

R. Bacon  and
L. Martinet
R. Bacon
Affiliation:
Observatoire de Genève
L. Martinet
Affiliation:
Observatoire de Genève

Extract

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Using both photometric and gas kinematic data of three galaxies of different type (NGC 7814 SO, NGC 2841 Sb, NGC 300 Sd), we estimate the density of the dark halo and visible components which gives the best fit with the observed rotation curves. We then compute the ratio of each component force to the total force as function of radius. Finally, we derive from the potential energy tensor the quantitative effect of each component on bulge, disk and halo dynamics.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 117: Dark Matter in the Universe , 1987 , pp. 134
Copyright
Copyright © Reidel 1987