An 11.6 Micron Keck Search for Exo‐Zodiacal Dust | Zendy

Marc J. Kuchner | Zendy; Michael E. Brown | Zendy; Chris D. Koresko | Zendy

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An 11.6 Micron Keck Search for Exo‐Zodiacal Dust

Author(s) -

Marc J. Kuchner,

Michael E. Brown,

Chris D. Koresko

Publication year - 1998

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/316267

Subject(s) - zodiacal light , physics , astronomy , stars , solar system , coronagraph , main sequence , circumstellar dust , astrophysics , exoplanet

We have begun an observational program to search nearby stars for dust disksthat are analogous to the disk of zodiacal dust that fills the interior of oursolar system. We imaged six nearby main-sequence stars with the Keck telescopeat 11.6 microns, correcting for atmosphere-induced wavefront aberrations anddeconvolving the point spread function via classical speckle analysis. Wecompare our data to a simple model of the zodiacal dust in our own system basedon COBE/DIRBE observations and place upper limits on the density of exozodiacaldust in these systems.Comment: 10 pages, figure1, figure2, figure3, and figures 4a-

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