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Lennart Lindegren

Researcher at Lund University

Publications -  250
Citations -  34526

Lennart Lindegren is an academic researcher from Lund University. The author has contributed to research in topics: Astrometry & Stars. The author has an hindex of 53, co-authored 238 publications receiving 27905 citations. Previous affiliations of Lennart Lindegren include University of Barcelona & University of Copenhagen.

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Gaia Data Release 2. Summary of the contents and survey properties

Anthony G. A. Brown, +452 more
TL;DR: The second Gaia data release, Gaia DR2 as mentioned in this paper, is a major advance with respect to Gaia DR1 in terms of completeness, performance, and richness of the data products.
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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 2: The astrometric solution

Lennart Lindegren, +92 more
TL;DR: In this article, the authors describe the input data, models, and processing used for the astrometric content of Gaia DR2, and the validation of these results performed within the ASTR task.
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GAIA: Composition, formation and evolution of the Galaxy

TL;DR: The GAIA astrometric mission has recently been approved as one of the next two ''cornerstones'' of ESA's science programme, with a launch datetarget of not later than mid-2012 as discussed by the authors.