Published August 1, 1990
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Infrared speckle imaging at Palomar
Chicago
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Abstract
Diffraction-limited infrared images of three binary stars reconstructed using speckle imaging techniques are presented. Three methods of recovering the objects' Fourier amplitudes are compared, Fourier deconvolution, projection onto convex sets, and CLEAN. The objects' Fourier phases are retrieved via bispectral analysis. It is shown that the quality of the final reconstructed images is a function of the percentage of the total bispectral volume utilized in the reconstruction procedure.
Additional Information
© 1990 SPIE--The International Society for Optical Engineering. We thank the W.M. Keck Foundation for their financial support, and the Concurrent Computing Center at Caltech for providing the NCUBE computer time for data reduction. We thank the staff of Palomar Observatory for their help with the observations. This work was supported in part by DOE Grant No. DE-FG03-85ER25009, and NSF Grant No. AST8351736. S.R.K.'s research is supported in part by and NSF Presidential Young Investigator award, and the Alfred P. Sloan Foundation.Attached Files
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Additional details
- Eprint ID
- 73800
- Resolver ID
- CaltechAUTHORS:20170127-161902251
- Department of Energy (DOE)
- DE-FG03-85ER25009
- NSF
- AST-8351736
- Alfred P. Sloan Foundation
- Created
-
2017-01-30Created from EPrint's datestamp field
- Updated
-
2021-11-11Created from EPrint's last_modified field
- Caltech groups
- Division of Geological and Planetary Sciences (GPS)
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 1237