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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: [email protected]
A. Jorissen
Affiliation:
IAA, Université Libre de Bruxelles CP 226, 1050 Bruxelles, Belgique. email: [email protected]
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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
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S248: A Giant Step: from Milli- to Micro-arcsecond Astrometry , October 2007 , pp. 486 - 487
Copyright
Copyright © International Astronomical Union 2008

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