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Astronomy Colloquium: Ben Monreal

Date: Tue. December 5th, 2017, 3:00 pm-4:00 pm
Location: Sears 552

hWAET: a ground-based telescope for exoplanet direct imaging

Ben Monreal (CWRU Physics)

In the literature on telescope conceptual design, there is a divide which at first glance seems unusual: space telescope design is a free-for-all while ground based concepts are very conservative. As an instrument-builder, although most of my work is on neutrinos and dark matter I am also wading into the understudied edges of ground-based telescope design. In this talk, I will introduce WAET, a new (but still fairly conservative) construction concept for large ground-based optical/IR telescopes. WAET is intended to use conventional components and prescriptions to get to huge apertures at extremely low cost. I will show some of our recent engineering, optical, and cost-modeling work on WAET—in particular, on the 100~m version (“hectometer WAET” or “hWAET”) which can in principle do reflected-light detection of Earthlike exoplanets.

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