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Paper: Imaging Hot Stars at Very High Angular Resolution with Intensity Interferometry
Volume: 464, Circumstellar Dynamics at High Resolution
Page: 43
Authors: Nuñez, P. D.; Holmes, R.; Kieda, D.; Rou, J.; LeBohec, S.
Abstract: There has been a recent interest to revive optical Stellar Intensity Interferometry (SII) using Imaging Air Cherenkov Telescope (IACT) arrays. Planned arrays containing nearly 100 telescopes, and separated by up to 1 km, will provide a dense sampling of the (u, v) plane. This will enable the implementation of recent developments in phase retrieval techniques for model-independent image reconstruction. Simulations indicate that sub-milliarcsecond features as well as temperature differences of the order of a few hundred K can be imaged. An overview of the imaging capabilities of IACT arrays used as intensity interferometers at short (λ ≈ 400 nm) wavelengths is presented.
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