1Subaru Telescope, National Astronomical Observatory of Japan (United States) 2National Astronomical Observatory of Japan (Japan) 3Tohoku Univ. (Japan) 4The Australian National Univ. (Australia) 5Academia Sinica, Institute of Astronomy and Astrophysics (Taiwan)
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ULTIMATE-Subaru is a next large facility instrument project at Subaru telescope. We will develop a 14x14 sq. arcmin wide-field near-infrared (NIR) imager and a multi-object spectrograph with the aid of a ground- layer adaptive optics system (GLAO), which will uniformly improve the seeing by a factor of 2 over a wide field of view up to ~20 arcmin in diameter. We have developed system modeling of the GLAO and wide-field NIR instruments to define the system level requirements flow down from science cases and derive the system performance budgets based on the GLAO end-to-end numerical simulation and optical system models of the telescope and wide-field NIR science instruments. In this paper, we describe the system performance modeling of ULTIMATE-Subaru and present an overview of the requirements flow down.
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