Adaptive optics prototype system for IR astronomy. II - First observing results

Details Adaptive optics prototype system for IR astronomy. II - First observing results Adaptive optics prototype system for IR astronomy. II - First observing results

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1237..345k&link_type=abstract

IN: Amplitude and intensity spatial interferometry; Proceedings of the Meeting, Tucson, AZ, Feb. 14-16, 1990 (A91-30676 12-89).

Physics

Optics

4

Adaptive Optics, Atmospheric Turbulence, Infrared Astronomy, Prototypes, Binary Stars, Imaging Techniques, Infrared Telescopes, Signal To Noise Ratios, Stellar Magnitude

Scientific paper

Observational results obtained at a 1.52-m telescope in the near-infrared wavelength range of 1.6-5 micron with the use of an adaptive-optics prototype system are reviewed. The purpose of the experiment is to evaluate the correction performance of adaptive optics under actual turbulence conditions at an astronomical site. The observations demonstrate that the full gain in resolution can be obtained. A significant gain in sensitivity is observed, and it is shown that a considerable improvement in signal-to-noise ratio can be achieved due to the bright maximum of sharpened images in all cases where the signal-to-noise ratio is set by background or detector noise.

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