Tip-tilt wavefront corrector for large-sized CCD camerasстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:A tip-tilt wavefront (image displacement) corrector has been designed and fabricated to increase the efficiency of direct
imaging with large-sized CCD cameras. A plane-parallel glass plate tilting in two mutually perpendicular directions at an
angle large enough to compensate for an image displacement of±16″ on a telescope with F ≈ 20 m forms the basis of the device. The device allows up to ≈20 corrections per second to be made when a ∼14m reference star is used. We investigate the effects of aberrations introduced by the plate on the image quality. We present
the results of test observations with the corrector performed on the 1.25-m ZTE telescope at the Crimean Station of the Sternberg
Astronomical Institute and the 1.5-m AZT-22 telescope at the Maidanak Observatory, where test images with 1-h exposures that
completely realized atmospheric seeing were obtained.