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The Kinematics within M31

Published online by Cambridge University Press:  14 August 2015

Morton S. Roberts ,
Robert N. Whitehurst  and
Tom R. Cram
Morton S. Roberts
Affiliation:
National Radio Astronomy Observatory† Green Bank, West Virginia
Robert N. Whitehurst
Affiliation:
National Radio Astronomy Observatory† Green Bank, West Virginia
Tom R. Cram
Affiliation:
National Radio Astronomy Observatory† Green Bank, West Virginia

Abstract

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A new hydrogen line survey of M31 is described. A rotation curve of the galaxy is derived from these data. The northern half of the rotation curve can be traced to 27 kpc, the southern to 30 kpc. They are in general agreement; both sides show an extensive region of essentially constant rotational velocity.

Type
III: Nearby Galaxies of Large Angular Size
Information
Symposium - International Astronomical Union , Volume 77: Structure and Properties of Nearby Galaxies , 1978 , pp. 169 - 173
Copyright
Copyright © Reidel 1978