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Related papers: The Gaia mission

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The Gaia satellite will be launched at the end of 2011. It will observe at least 1 billion stars, and among them several million emission line stars and hot stars. Gaia will provide parallaxes for each star and spectra for stars till V…

GAIA (originally the acronym for Global Astrometric Interferometer for Astrophysics) is a mission of the European Space Agency (ESA) which will make the largest, most precise three dimensional map of our Galaxy by an unparalleled survey of…

Popular Physics · Physics 2021-06-10 Priya Hasan

The Gaia mission is expected to provide highly accurate astrometric, photometric, and spectroscopic measurements for about $10^9$ objects. Automated classification of detected sources is a key part of the data processing. Here a few aspects…

Astrophysics · Physics 2008-12-02 A. Vallenari , R. Sordo

The GAIA astrometric mission has recently been approved as one of the next two `cornerstones' of ESA's science programme, with a launch date target of not later than mid-2012. GAIA will provide positional and radial velocity measurements…

Gaia is a fully-approved all-sky astrometric and photometric survey due for launch in 2011. It will measure accurate parallaxes and proper motions for everything brighter than G=20 (ca. 10^9 stars). Its primary objective is to study the…

Astrophysics · Physics 2007-05-23 Coryn A. L. Bailer-Jones

Gaia will be ESA's milestone astrometric mission, and is due for launch at the end of 2013. Gaia will repeatedly map the whole sky measuring about one billion sources to V=20-22 mag. Its data products will be {\mu}as accuracy astrometry,…

Solar and Stellar Astrophysics · Physics 2015-06-22 Carla Cacciari

Astrometry from space has unique advantages over ground-based observations: the all-sky coverage, relatively stable, and temperature and gravity invariant operating environment delivers precision, accuracy and sample volume several orders…

Instrumentation and Methods for Astrophysics · Physics 2018-03-28 Gerard Gilmore

The European Gaia astrometry mission is due for launch in 2011. Gaia will rely on the proven principles of ESA's Hipparcos mission to create an all-sky survey of about one billion stars throughout our Galaxy and beyond, by observing all…

Scope of this contribution is twofold. First, it describes the potential of the global astrometry mission Gaia for detecting and measuring planetary systems based on detailed double-blind mode simulations and on the most recent predictions…

Earth and Planetary Astrophysics · Physics 2010-03-23 M. G. Lattanzi , A. Sozzetti

General importance and capabilities of observations of eclipsing binaries by the forthcoming ESA mission GAIA are discussed. Availability of spectroscopic observations and a large number of photometric bands on board will make it possible…

Astrophysics · Physics 2007-05-23 Tomaz Zwitter

The measurement of the positions, distances, motions and luminosities of stars represents the foundations of modern astronomical knowledge. Launched at the end of the eighties, the ESA Hipparcos satellite was the first space mission…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 L. Eyer , P. Dubath , S. Saesen , D. W. Evans , L. Wyrzykowski , S. Hodgkin , N. Mowlavi

The Gaia satellite will survey the entire celestial sphere down to 20th magnitude, obtaining astrometry, photometry, and low resolution spectrophotometry on one billion astronomical sources, plus radial velocities for over one hundred…

Gaia is a European Space Agency (ESA) astrometry space mission, and a successor to the ESA Hipparcos mission. Gaia's main goal is to collect high-precision astrometric data (i.e. positions, parallaxes, and proper motions) for the brightest…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 Lukasz Wyrzykowski , Simon Hodgkin

The Gaia satellite was selected as a cornerstone mission of the European Space Agency (ESA) in October 2000 and confirmed in 2002 with a current target launch date of 2011. The Gaia mission will gather on the same observational principles…

Astrophysics · Physics 2007-05-23 L. Eyer , F. Mignard

The Gaia satellite, planned for launch by the European Space Agency (ESA) in 2013, is the next generation astrometry mission following Hipparcos. Gaia's primary science goal is to determine the kinematics, chemical structure and evolution…

Instrumentation and Methods for Astrophysics · Physics 2013-12-31 M. Todd , D. M. Coward , P. Tanga , W. Thuillot

I provide a summary of the ESA space astrometry mission Gaia regarding its main objectives and current status following the 2nd data release (Gaia DR2) in April 2018. The Gaia achievements in astrometry are assessed with a historical…

Instrumentation and Methods for Astrophysics · Physics 2019-06-24 F. Mignard

Gaia is an astrometric mission that will be launched in 2013 and set on L2 point of Lagrange. It will observe a large number of Solar System Objets (SSO) down to magnitude 20. The Solar System Science goal is to map thousand of Main Belt…

Earth and Planetary Astrophysics · Physics 2016-08-30 D. Bancelin , D. Hestroffer , W. Thuillot

ESA recently called for new "Science Ideas" to be investigated in terms of feasibility and technological developments -- for technologies not yet sufficiently mature. These ideas may in the future become candidates for M or L class missions…

Two upcoming large scale surveys, the ESA Gaia and LSST projects, will bring a new era in astronomy. The number of binary systems that will be observed and detected by these projects is enormous, estimations range from millions for Gaia to…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 L. Eyer , P. Dubath , N. Mowlavi , P. North , A. Triaud , F. Barblan , C. Siopis , L. Guy , B. Tingley , S. Zucker , D. W. Evans , L. Wyrzykowski , M. Suveges , Z. Ivezic

Gaia is the cornerstone mission of the European Space Agency. From late 2013 it will start collecting superb astrometric, photometric and spectroscopic data for around a billion of stars of our Galaxy. While surveying the whole sky down to…

Instrumentation and Methods for Astrophysics · Physics 2012-10-23 Lukasz Wyrzykowski , Simon Hodgkin , Nadejda Blogorodnova , Sergey Koposov , Ross Burgon