Status Report

A Keck Adaptive Optics Search for Young Extrasolar Planets

By SpaceRef Editor
January 4, 2003
Filed under , ,

Astrophysics, abstract

From: Denise Kaisler <[email protected]>
Date: Mon, 7 Oct 2002 23:16:27 GMT (14kb)

A Keck Adaptive Optics Search for Young Extrasolar Planets

Denise Kaisler,
Ben Zuckerman,
Eric Becklin,
Bruce Macintosh

Comments: 4 pages, 2 figures. To appear in “Scientific Frontiers in Research on
Extrasolar Planets”, D. Deming ed

Adaptive optics, large primary mirrors, and careful selection of target stars
are the keys to ground-based imaging of extrasolar planets. Our near-IR survey
is capable of identifying exoplanets of 1-10 M${_J}$ within 100 AU of young
(t$<$60 Myr), nearby (d$<$60 pc) stars. For very young and proximate targets
such as GJ 803 (12 Myr, 10 pc) we are able to detect exoplanets with parameters
approaching those of planets our solar system (1 M${_J}$ at 19 AU, 2 M${_J}$ at
9 AU; 5 M${_J}$ at 5 AU). We have thus far imaged over 100 stars with Keck AO.
Here we report on our progress, discuss specific observing strategies, and
present detailed sensitivity limits.

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