Open Access Paper
1 August 1990 Infrared nonredundant mask imaging at Palomar
W. Nicholas Weir, Andrea M. Ghez, Peter W. Gorham, Christopher A. Haniff, Shrinivas R. Kulkarni, Keith Matthews, Gerry X. Neugebauer
Author Affiliations +
Abstract
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.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
W. Nicholas Weir, Andrea M. Ghez, Peter W. Gorham, Christopher A. Haniff, Shrinivas R. Kulkarni, Keith Matthews, and Gerry X. Neugebauer "Infrared nonredundant mask imaging at Palomar", Proc. SPIE 1237, Amplitude and Intensity Spatial Interferometry, (1 August 1990); https://doi.org/10.1117/12.19300
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KEYWORDS
Calibration

Data modeling

Signal to noise ratio

Visibility

Phase measurement

Infrared imaging

Interferometry

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