An 11.6 Micron Keck Search For Exozodiacal Dust

Details An 11.6 Micron Keck Search For Exozodiacal Dust An 11.6 Micron Keck Search For Exozodiacal Dust

2000-02-02

arxiv.org/abs/astro-ph/0002040v1

PASP (1998) 110, 1336

Astronomy and Astrophysics

Astrophysics

10 pages, figure1, figure2, figure3, and figures 4a-e

Scientific paper

10.1086/316267

We have begun an observational program to search nearby stars for dust disks that are analogous to the disk of zodiacal dust that fills the interior of our solar system. We imaged six nearby main-sequence stars with the Keck telescope at 11.6 microns, correcting for atmosphere-induced wavefront aberrations and deconvolving the point spread function via classical speckle analysis. We compare our data to a simple model of the zodiacal dust in our own system based on COBE/DIRBE observations and place upper limits on the density of exozodiacal dust in these systems.

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