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The Araucaria Project: the Baade–Wesselink projection factor of pulsating stars and interferometric contribution to the eclipsing binaries technique of distance determination

Published online by Cambridge University Press:  26 February 2013

Nicolas Nardetto ,
Mounir Challouf ,
Guillaume Guiglion ,
Denis Mourard ,
Wolfgang Gieren ,
Grzegorz Pietrzyński  and
Dariusz Graczyk
Nicolas Nardetto
Affiliation:
Laboratoire Lagrange, UMR7293, UNS/CNRS/OCA, 06300 Nice, France email: Nicolas.Nardetto@oca.eu
Mounir Challouf
Affiliation:
Laboratoire Lagrange, UMR7293, UNS/CNRS/OCA, 06300 Nice, France email: Nicolas.Nardetto@oca.eu Lab. Dyn. Moléculaire et Matériaux Photoniques, UR11ES03, UT2/ESSTT, Tunis, Tunisia
Guillaume Guiglion
Affiliation:
Laboratoire Lagrange, UMR7293, UNS/CNRS/OCA, 06300 Nice, France email: Nicolas.Nardetto@oca.eu
Denis Mourard
Affiliation:
Laboratoire Lagrange, UMR7293, UNS/CNRS/OCA, 06300 Nice, France email: Nicolas.Nardetto@oca.eu
Wolfgang Gieren
Affiliation:
Universidad de Concepción, Departamento de Astronomía, Casilla 160-C, Concepción, Chile
Grzegorz Pietrzyński
Affiliation:
Universidad de Concepción, Departamento de Astronomía, Casilla 160-C, Concepción, Chile Warsaw University Observatory, Al. Ujazdowskie 4, 00-478, Warsaw, Poland
Dariusz Graczyk
Affiliation:
Universidad de Concepción, Departamento de Astronomía, Casilla 160-C, Concepción, Chile
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Abstract

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The international Araucaria Project aims to provide an improved local calibration of the extragalactic distance scale out to distances of a few Megaparsecs. We present a brief, up-to-date review of different results and ongoing projects to (i) better understand the Baade–Wesselink projection factor used in distance determinations based on Cepheids, and (ii) improve the eclipsing-binary technique of distance determination using CHARA/VEGA interferometric observations.

Keywords

stars: oscillationsstars: distancesbinaries: eclipsing
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S289: Advancing the Physics of Cosmic Distances , August 2012 , pp. 179 - 182
Copyright
Copyright © International Astronomical Union 2013

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