The University of Hawaii 2.2 Meter Fast Tip-Tilt Secondary System

Details The University of Hawaii 2.2 Meter Fast Tip-Tilt Secondary System The University of Hawaii 2.2 Meter Fast Tip-Tilt Secondary System

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pasp..112..716j&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 112, Issue 771, pp. 716-732.

Astronomy and Astrophysics

Astronomy

5

Instrumentation: Detectors, Instrumentation: Miscellaneous

Scientific paper

Using a new f/31 secondary on a tip-tilt platform, we have built an image-stabilization system which has been used regularly for astronomical imaging and spectroscopy on the University of Hawaii 2.2 m telescope. Diffraction-limited cores of stellar point-spread functions are achieved in near-infrared imaging, with Strehl ratios as high as 0.47. K-band images with 0.3" FWHM resolution (without deconvolution) are routinely obtained. The construction, operation, and capability of the current system are described, a summary of recent scientific findings is presented, and future improvements are outlined.

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