Ground-based interferometry |
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| Authors: | Michael Shao |
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| Institution: | (1) Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA |
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| Abstract: | This paper summarizes the limits of ground-based interferometry for differential astrometry as well as ground-based interferometry for direct detection of exo-planets and exo-zodi dust levels. For direct detection, ground-based interferometry at near IR wavelengths using large telescopes with adaptive optics offers a significant advantage over single telescopes with adaptive optics. Ground-based differential astrometry for exo-planet detection is extremely accurate with sufficient accuracy to detect Neptune mass planets around 400–600 nearby stars. Ground-based interferometry using large (>6m) telescopes is also capable of detecting the 10  m emission of the zodiacal light around nearby stars with zodi levels similar to our solar system |
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