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Systematics of HII Rotation Curves

Published online by Cambridge University Press:  04 August 2017

Vera C. Rubin
Vera C. Rubin*
Affiliation:
Department of Terrestrial Magnetism, Carnegie Institution of Washington

Abstract

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Systematic rotational properties of field spiral galaxies are presented, as a function of Hubble type and of luminosity. Within a Hubble type, radius, nuclear velocity gradient, rotation velocity, mass, and mass density increase with luminosity, while m/L is constant. At fixed luminosity, V(max), mass, density, and m/L decrease from Sa through Sc. These variations are so systematic that it is possible to display them on a single diagram.

Type
I. Kinematics of Gas and the Underlying Mass Distribution
Information
Symposium - International Astronomical Union , Volume 100: Internal Kinematics and Dynamics of Galaxies , 1983 , pp. 3 - 10
Copyright
Copyright © Reidel 1983 

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