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Kinematics and the Galactic Potential

Published online by Cambridge University Press:  25 May 2016

O. Bienaymé
O. Bienaymé*
Affiliation:
Observatoire de Strasbourg, France

Extract

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The analysis of stellar kinematics and the Galactic potential is linked to the study of the spatial distribution of stars in the Galaxy since they are related through the Boltzmann and Poisson equations. Measuring all the visible density and mass distribution from general star counts and the gas cloud density gives only a small fraction of the total amount of the dynamical mass that is deduced from the kinematics of the galactic constituents. As in many spiral galaxies, most of the Galactic mass is unseen and unknown.

Type
Part 4. Galactic Structure
Information
Symposium - International Astronomical Union , Volume 179: New Horizons from Multi-Wavelength Sky Surveys , 1998 , pp. 209 - 216
Copyright
Copyright © Kluwer 1998 

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