October 30, 2024 to November 1, 2024
Perimeter Institute for Theoretical Physics
America/Toronto timezone

Image Reconstruction From Intensity Interferometry

Nov 1, 2024, 1:25 p.m.
25m
PI/4-405 - Bob Room (Perimeter Institute for Theoretical Physics)

PI/4-405 - Bob Room

Perimeter Institute for Theoretical Physics

60

Speaker

Albert Stebbins (Fermi National Accelerator Laboratory)

Description

Even with dense sampling of the uv plane intensity correlations only contain half the information required to reconstruct an image. Intensity correlations do contain the full information of the image power spectrum and therefore of the image 2-point correlation function. With some practice one can gain intuitive understanding in interpreting 2-point correlation function "images". This is illustrated with both toy examples and modeling of real astronomical images. In some assumptions one can even interpret these 2-point correlation function "images" with only a few baselines.

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