Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1237..274w&link_type=abstract
IN: Amplitude and intensity spatial interferometry; Proceedings of the Meeting, Tucson, AZ, Feb. 14-16, 1990 (A91-30676 12-89).
Astronomy and Astrophysics
Astronomy
Image Reconstruction, Imaging Techniques, Infrared Astronomy, Infrared Imagery, Photomasks, Amplitude Distribution Analysis, Bias, Binary Stars, High Resolution, Power Spectra
Scientific paper
A program of high resolution infrared imaging at Palomar Observatory, is presented. The use of nonredundant masks both as an imaging technique and as a method of analyzing various aspects of the imaging system are investigated. In particular, the technique is applied to a bright star and binary system using a three-hole mask. The method is useful for understanding certain systematic biases in data, as well as in producing high quality images despite sparse UV coverage. The use of multi-r(o) apertures along with a large bandwidth does not significantly hamper image reconstruction, but provides significant extra coverage in the UV plane.
Ghez Andrea M.
Gorham Peter. W.
Haniff Christopher A.
Kulkarni Sanjeev R.
Weir Nick W.
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