[Échelles de distance astronomiques]
Cet article donne un aperçu de la détermination des distances astronomiques d'un point de vue métrologique. Les distances sont prises en compte depuis le système solaire (distances planétaires) jusqu'aux distances extragalactiques, avec un accent particulier porté à l'étape fondamentale des distances trigonométriques stellaires et le pas de géant récemment accompli dans ce domaine grâce aux missions d'astrométrie spatiale Hipparcos et Gaia de l'ESA.
This article is an overview of the determination of astronomical distances from a metrological standpoint. Distances are considered from the Solar System (planetary distances) to extragalactic distances, with a special emphasis on the fundamental step of the trigonometric stellar distances and the giant leap recently experienced in this field thanks to the ESA space astrometry missions Hipparcos and Gaia.
Mot clés : Unité astronomique, Parallaxe stelliaire, Hipparcos/Gaia
François Mignard 1
@article{CRPHYS_2019__20_1-2_140_0,
author = {Fran\c{c}ois Mignard},
title = {Astronomical distance scales},
journal = {Comptes Rendus. Physique},
pages = {140--152},
publisher = {Elsevier},
volume = {20},
number = {1-2},
year = {2019},
doi = {10.1016/j.crhy.2019.02.001},
language = {en},
}
François Mignard. Astronomical distance scales. Comptes Rendus. Physique, Volume 20 (2019) no. 1-2, pp. 140-152. doi : 10.1016/j.crhy.2019.02.001. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2019.02.001/
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