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HD 199143 and HD 358623: Two Recently Identified Members of the Beta Pictoris Moving Group
D. Kaisler, B. Zuckerman, I. Song +5
HD 199143 and HD 358623 (BD-17 6128) are two sets of binary stars which are physically associated and 48 pc from Earth. We present heliocentric radial velocities and high lithium a…
Deep Keck adaptive optics searches for extrasolar planets in the dust of Epsilon Eridani and Vega
Bruce A. Macintosh, E. E. Becklin, Denise Kaisler +2
A significant population of nearby stars have strong far-infrared excesses, now known to be due to circumstellar dust in regions analogous to the Kuiper Belt of our solar system, t…
Speckle Decorrelation and Dynamic Range in Speckle Noise Limited Imaging
Anand Sivaramakrishnan, James P. Lloyd, Philip E. Hodge +1
The useful dynamic range of an image in the diffraction limited regime is usually limited by speckles caused by residual phase errors in the optical system forming the image. The t…