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2010 CFHT Users Meeting
November 16-18, 2010
ASIAA Auditorium, Taipei, Taiwan

Oral Presentation

`IMAKA - the ultimate wide-field imager for CFHT

Author(s): Mark Chun and the `IMAKA team

Presenter: Mark Chun (Institute for Astronomy, University of Hawaii)

The Canada-France-Hawaii telescope resides at, arguably, the premier astronomical site in the world for wide-field observations. CFHT, with the weak free-atmosphere seeing and the highly confined broundary-layer turbulence above Mauna Kea, now has the potential to deliver unmatched angular resolutions over these wide fields. We propose `IMAKA, a combination of passive and active approaches including a ground-layer adaptive optics system and orthogonal-transfer CCDs, to realize a wide-field optical imager that takes full advantage of the site and telescope. `IMAKA will deliver images with FWHM ~ 0.3" over a one-degree field of view at optical wavelengths under median seeing conditions. Such an instrument provides a truly unique capability in the landscape of ground-based and spaced-based wide-field imaging missions in the coming decades and takes full advantage of the heritage and expertise developed in wide-field imaging in the CFHT communities and at the observatory. We summarize the `IMAKA instrument and what it enables scientifically for the communities.

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