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Proceedings Paper

Astrometric detection of exoplanets from the ground
Author(s): J. Sahlmann; P. F. Lazorenko; A. Mérand; D. Queloz; D. Ségransan; J. Woillez
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Paper Abstract

Astrometry is a powerful technique to study the populations of extrasolar planets around nearby stars. It gives access to a unique parameter space and is therefore required for obtaining a comprehensive picture of the properties, abundances, and architectures of exoplanetary systems. In this review, we discuss the scientific potential, present the available techniques and instruments, and highlight a few results of astrometric planet searches, with an emphasis on observations from the ground. In particular, we discuss astrometric observations with the Very Large Telescope (VLT) Interferometer and a programme employing optical imaging with a VLT camera, both aimed at the astrometric detection of exoplanets. Finally, we set these e orts into the context of Gaia, ESA’s astrometry mission scheduled for launch in 2013, and present an outlook on the future of astrometric exoplanet detection from the ground.

Paper Details

Date Published: 26 September 2013
PDF: 9 pages
Proc. SPIE 8864, Techniques and Instrumentation for Detection of Exoplanets VI, 88641B (26 September 2013); doi: 10.1117/12.2023929
Show Author Affiliations
J. Sahlmann, Observatoire de Genève (Switzerland)
P. F. Lazorenko, Main Astronomical Observatory (Ukraine)
A. Mérand, European Southern Observatory (Chile)
D. Queloz, Observatoire de Genève (Switzerland)
D. Ségransan, Observatoire de Genève (Switzerland)
J. Woillez, European Southern Observatory (Germany)


Published in SPIE Proceedings Vol. 8864:
Techniques and Instrumentation for Detection of Exoplanets VI
Stuart Shaklan, Editor(s)

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