The Gaia project: Technique, performance and status

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The Gaia Project - technique, performance and status

Gaia is a satellite mission of the ESA, aiming at absolute astrometric measurements of about one billion stars (all stars down to 20 magnitude, with unprecedented accuracy. Additionally, magnitudes and colors will be obtained for all these stars, while radial-velocities and spectral properties will be determined only for bright objects (V < 17.5). At 15 magnitude Gaia aims at an angular accurac...

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ژورنال

عنوان ژورنال: Astronomische Nachrichten

سال: 2008

ISSN: 0004-6337,1521-3994

DOI: 10.1002/asna.200811065