An active mirror image stabilizing instrument system (ISIS) for use on Mauna Kea

Details An active mirror image stabilizing instrument system (ISIS) for use on Mauna Kea An active mirror image stabilizing instrument system (ISIS) for use on Mauna Kea

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..445..560t&link_type=abstract

IN: Instrumentation in astronomy V, Meeting sponsored by SPIE - The International Society for Optical Engineering. Bellingham, W

Astronomy and Astrophysics

Astronomy

23

Scientific paper

On nights when the seeing is at its best on Mauna Kea, the cores of images produced by the large optical telescopes (UH 2.24-m and CFHT 3.6-m) shrink to sizes <0.5 arcsec. During these periods, the image cores show translational motion over a patch <1 arcsec at frequencies <30 Hz. To remove this translation motion, an image stabilizing instrument system (ISIS) has been built and used on Mauna Kea. The authors describe the instrument's design detail, discuss the optimal way to use such an instrument, and show samples of observational data taken with it.

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