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The Gaia mission : ...
The Gaia mission : Science, organization and present status
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- Lindegren, L. (author)
- Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
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- Babusiaux, C. (author)
- Paris Observatory
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- Bailer-Jones, C. (author)
- Max Planck Institute for Astronomy
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- Bastian, U. (author)
- Heidelberg University
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- Brown, A. G A (author)
- Leiden University
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- Cropper, M. (author)
- Royal Free Hospital
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- Høg, E. (author)
- University of Copenhagen
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- Jordi, C. (author)
- University of Barcelona
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- Katz, D. (author)
- Paris Observatory
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- Van Leeuwen, F. (author)
- University of Cambridge
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- Luri, X. (author)
- University of Barcelona
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- Mignard, F. (author)
- The French National Centre for Scientific Research (CNRS)
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- De Bruijne, J. H J (author)
- European Space Research and Technology Centre (ESA/ESTEC)
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- Prusti, T. (author)
- European Space Research and Technology Centre (ESA/ESTEC)
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(creator_code:org_t)
- 2007
- 2007
- English 7 s.
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In: Proceedings of the International Astronomical Union. - 1743-9213. ; 3:S248, s. 217-223
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http://dx.doi.org/10...
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Abstract
Subject headings
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- The ESA space astrometry mission Gaia will measure the positions, parallaxes and proper motions of the 1 billion brightest stars on the sky. Expected accuracies are in the 725 as range down to 15 mag and sub-mas accuracies at the faint limit (20 mag). The astrometric data are complemented by low-resolution spectrophotometric data in the 3301000 nm wavelength range and, for the brighter stars, radial velocity measurements. The scientific case covers an extremely wide range of topics in galactic and stellar astrophysics, solar system and exoplanet science, as well as the establishment of a very accurate, dense and faint optical reference frame. With a planned launch around 2012 and an (extended) operational lifetime of 6 years, final results are expected around 2021. We give a brief overview of the science goals of Gaia, the overall project organisation, expected performance, and some key technical features and challenges.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- Astrometry
- Galaxy: kinematics and dynamics
- Planetary systems
- Relativity
- Space vehicles
- Stars: fundamental parameters
- Techniques: photometric
- Techniques: radial velocities
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Lindegren, L.
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Babusiaux, C.
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Bailer-Jones, C.
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Bastian, U.
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Brown, A. G A
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Cropper, M.
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show more...
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Høg, E.
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Jordi, C.
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Katz, D.
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Van Leeuwen, F.
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Luri, X.
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Mignard, F.
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De Bruijne, J. H ...
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Prusti, T.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Lund University