An Adaptive Optics Survey for Companions to Stars with Extra-Solar Planets

Details An Adaptive Optics Survey for Companions to Stars with Extra-Solar Planets An Adaptive Optics Survey for Companions to Stars with Extra-Solar Planets

2001-03-02

arxiv.org/abs/astro-ph/0103027v1

Astronomy and Astrophysics

Astrophysics

3 pages, 1 Postscript figure. To appear in proceedings of IAU Symposium 202, "Planetary Systems in the Universe: Observation,

Scientific paper

We have undertaken an adaptive optics (AO) imaging survey of extrasolar planetary systems and stars showing interesting radial velocity trends from high precision radial velocity searches. AO increases the resolution and dynamic range of an image, substantially improving the detectability of faint close companions. This survey is sensitive to objects less luminous than the bottom of the main sequence at separations as close as 1 arcsec. We have detected stellar companions to the planet bearing stars HD 114762 and Tau Boo. We have also detected a companion to the non-planet bearing star 16 Cyg A.

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