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Outer Disc Rotation from Cepheid Variables

Published online by Cambridge University Press:  25 May 2016

Frederic Pont ,
Didier Queloz ,
Michel Mayor  and
Pierre Bratschi
Frederic Pont
Affiliation:
Geneva Observatory, 1290 Sauverny, Switzerland
Didier Queloz
Affiliation:
Geneva Observatory, 1290 Sauverny, Switzerland
Michel Mayor
Affiliation:
Geneva Observatory, 1290 Sauverny, Switzerland
Pierre Bratschi
Affiliation:
Geneva Observatory, 1290 Sauverny, Switzerland

Abstract

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We have measured radial velocities for a large number of classical cepheids of the Galaxy, particularly in the outer disc. We determine the rotation curve up to a galactocentric radius of 16 kpc. The results are then compared to similar studies using HII regions. We also consider some possible complications.

Type
Chapter 8: How do we put it together?
Information
Symposium - International Astronomical Union , Volume 169: Unsolved Problems of the Milky Way , 1996 , pp. 661 - 667
Copyright
Copyright © Kluwer 1996 

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