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Lionel Bigot

Researcher at University of Nice Sophia Antipolis

Publications -  46
Citations -  8567

Lionel Bigot is an academic researcher from University of Nice Sophia Antipolis. The author has contributed to research in topics: Stars & Radial velocity. The author has an hindex of 19, co-authored 37 publications receiving 7147 citations. Previous affiliations of Lionel Bigot include Centre national de la recherche scientifique.

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The Gaia mission

T. Prusti, +624 more
TL;DR: Gaia as discussed by the authors is a cornerstone mission in the science programme of the European Space Agency (ESA). The spacecraft construction was approved in 2006, following a study in which the original interferometric concept was changed to a direct-imaging approach.
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Gaia Data Release 1 Summary of the astrometric, photometric, and survey properties

Anthony G. A. Brown, +590 more
TL;DR: The first Gaia data release, Gaia DR1 as discussed by the authors, consists of three components: a primary astrometric data set which contains the positions, parallaxes, and mean proper motions for about 2 million of the brightest stars in common with the Hipparcos and Tycho-2 catalogues.
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Gaia Data Release 1. Testing parallaxes with local Cepheids and RR Lyrae stars

G. Clementini, +637 more
TL;DR: In this article, the first parallax measurements of the primary standard candles of the cosmological distance ladder, that involve astrometry collected by Gaia during the initial 14 months of science operation, are published in Gaia Data Release 1 (DR1) as part of the Tycho-Gaia Astrometric Solution (TGAS).