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Are parallaxes of long-period variable stars and red supergiants reliable?

Published online by Cambridge University Press:  01 October 2007

C. Babusiaux  and
A. Jorissen
C. Babusiaux
Affiliation:
Observatoire de Paris, Place Jules Janssen, 92195 Meudon, France. email: carine.babusiaux@obspm.fr
A. Jorissen
Affiliation:
IAA, Université Libre de Bruxelles CP 226, 1050 Bruxelles, Belgique. email: ajorisse@astro.ulb.ac.be
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Abstract

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We have studied the impact of long-term variability and surface brightness asymmetries on the parallaxes of long-period variable stars and red supergiants.

Keywords

astrometrystars: AGB and post-AGBsupergiants

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