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

17 Dec 2020  ·  Eric Aristidi, Eric Cottalorda, Marcel Carbillet, Lyu Abe, Karim Makki, Jean-Pierre Rivet, David Vernet, Philippe Bendjoya ·

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. read more

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Instrumentation and Methods for Astrophysics