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Ground interferometric searches

Published online by Cambridge University Press:  26 May 2016

A. Glindemann ,
F. Delplancke ,
P. Kervella ,
F. Paresce ,
A. Richichi  and
M. Schöller
A. Glindemann
Affiliation:
European Southern Observatory, 85748 Garching, Germany
F. Delplancke
Affiliation:
European Southern Observatory, 85748 Garching, Germany
P. Kervella
Affiliation:
European Southern Observatory, 85748 Garching, Germany
F. Paresce
Affiliation:
European Southern Observatory, 85748 Garching, Germany
A. Richichi
Affiliation:
European Southern Observatory, 85748 Garching, Germany
M. Schöller
Affiliation:
European Southern Observatory, 85748 Garching, Germany

Abstract

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In this article, we discuss the instrumental requirements for planet searches from the ground. We review several methods and their fundamental limitations comparing the direct measurement of the visibility function (both modulus and phase) to astrometry and nulling interferometry. In particular, we will take the Very Large Telescope Interferometer (VLTI) as an example. The VLTI is an excellent facility for planet searches from the ground since it has both large apertures and long baselines, providing high SNR and milli-arcsecond resolution.

Type
Part V: Discovery and study of extrasolar planets - future
Information
Symposium - International Astronomical Union , Volume 202: Planetary Systems in the Universe – Observation, Formation and Evolution , 2004 , pp. 417 - 424
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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