The power spectrum extended technique applied to images of binary stars in the infrared

Eric Aristidi; Eric Cottalorda; Marcel Carbillet; Lyu Abe; Karim Makki; Jean-Pierre Rivet; David Vernet; Philippe Bendjoya

doi:10.1117/12.2560453

13 December 2020 The power spectrum extended technique applied to images of binary stars in the infrared

Eric Aristidi, Eric Cottalorda, Marcel Carbillet, Lyu Abe, Karim Makki, Jean-Pierre Rivet, David Vernet, Philippe Bendjoya

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Proceedings Volume 11448, Adaptive Optics Systems VII; 114484Z (2020) https://doi.org/10.1117/12.2560453
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

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Abstract

We recently proposed a new lucky imaging technique, the Power Spectrum Extended (PSE), adapted for image reconstruction of short-exposure astronomical images in case of weak turbulence or partial adaptive optics correction. In this communication we show applications of this technique to observations of about 30 binary stars in H band with the 1m telescope of the Calern C2PU observatory. We show some images reconstructed at the diffraction limit of the telescope and provide measurements of relative astrometry and photometry of observed couples.

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Eric Aristidi, Eric Cottalorda, Marcel Carbillet, Lyu Abe, Karim Makki, Jean-Pierre Rivet, David Vernet, and Philippe Bendjoya "The power spectrum extended technique applied to images of binary stars in the infrared", Proc. SPIE 11448, Adaptive Optics Systems VII, 114484Z (13 December 2020); https://doi.org/10.1117/12.2560453

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