The Hipparcos satellite: a dramatic improvement in our knowledge of the solar neighbourhood.

Details The Hipparcos satellite: a dramatic improvement in our knowledge of the solar neighbourhood. The Hipparcos satellite: a dramatic improvement in our knowledge of the solar neighbourhood.

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998crasb.326..775t&link_type=abstract

Comptes Rendus de l'Academie des Sciences, Sér. II, Fasc. b, Tome 326, No. 11, p. 775 - 786

Physics

2

Hipparcos: Trigonometric Parallaxes, Hipparcos: Astrometry, Hipparcos: Photometry, Hipparcos: Absolute Magnitudes, Hipparcos: Stellar Masses

Scientific paper

Hipparcos was the first satellite to accurately measure angular displacements on the sky. Thanks to its original design, positions, trigonometric parallaxes and proper motions of unprecedented accuracy have been obtained for about 118000 stars and 50 objects in the solar system. The results cover a wide variety of subjects: reference systems, stellar physics and evolution, galactic kinematics, dynamics and evolution, distance and age scale in the Universe. In this first paper, a brief description of the Hipparcos mission, its main astrometric and photometric results, and the dramatic improvement in the authors understanding of the solar neighbourhood are presented.

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