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Astrometry --- Astrometry. --- Astrométrie

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"The field of astrometry, the precise measurement of the positions, distances and motions of astronomical objects, has been revolutionized in recent years. As we enter the high-precision era, it will play an increasingly important role in all areas of astronomy, astrophysics and cosmology. This edited text starts by looking at the opportunities and challenges facing astrometry in the twenty-first century, from space and ground. The new formalisms of relativity required to take advantage of micro-arcsecond astrometry are then discussed, before the reader is guided through the basic methods required to transform our observations from detected photons to the celestial sphere. The final section of the text shows how a variety of astronomical problems can be solved using astrometric methods. Bringing together work from a broad range of experts in the field, this is the most complete textbook on observational astrometry and is ideal for graduate students and researchers alike"--

Astrometry --- Astrométrie --- Astrometry. --- SCIENCE / Astrophysics & Space Science. --- Astrométrie --- Positional astronomy --- Spherical astronomy

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Bibliothèque Houziaux

Stars --- Astrometry --- Hipparcos (satellite artificiel) --- Étoiles. --- Astrométrie. --- Hipparcos (Artificial satellite) --- Étoiles. --- Astrométrie.

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The Hipparcos satellite, developed and launched by the European Space Agency (ESA) in 1989, was the first space mission dedicated to astrometry - the accurate measurement of positions, distances, and proper motions of stars. Amongst the key achievements of its measurements are refining the cosmic distance scale, characterising the large-scale kinematic motions in the Solar neighbourhood, providing precise luminosities for stellar modelling, and confirming Einstein's prediction of the effect of gravity on starlight. This authoritative account of the Hipparcos contributions over the following decade is an outstanding reference for astronomers, astrophysicists and cosmologists. It reviews the applications of the data in different areas, describing the subject and the state-of-the-art before Hipparcos, and summarising all major contributions to the topic made by Hipparcos. It contains a detailed overview of the Hipparcos and Tycho Catalogues, their annexes and their updates. Each chapter ends with comprehensive references to relevant literature.

Astrometry --- Astrométrie --- Hipparcos (Artificial satellite) --- Astrometry. --- Astrométrie --- Positional astronomy --- Spherical astronomy --- High Precision Parallax Collecting Satellite

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52 <063> --- Astrometry --- -Positional astronomy --- Spherical astronomy --- Astronomie. Astrofysica. Ruimteonderzoek. Geodesie--Congressen --- Congresses --- -Astronomie. Astrofysica. Ruimteonderzoek. Geodesie--Congressen --- Astrométrie. --- Astrométrie.