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29 June 2006 Near-infrared direct vision prism for wide-wavelength coverage spectroscopy at the Subaru Telescope
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Abstract
We have developed a low spectral resolution prism unit for the IRCS at the Subaru Telescope, which covers the wavelength range from 2 μm to 4 μm simultaneously. As the prism has high throughput compared to grism, it is an efficient observing mode for 3-μm water ice band and rapidly time varying objects such as asteroid. We report preliminary results of the performance verifications of the prism unit.
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Naruhisa Takato and Hiroshi Terada "Near-infrared direct vision prism for wide-wavelength coverage spectroscopy at the Subaru Telescope", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626923 (29 June 2006); https://doi.org/10.1117/12.669633
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