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ULTIMATE-Subaru: enhancing the Subaru's wide-field capability with GLAO
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Paper Abstract

ULTIMATE-Subaru is a next large facility instrument project at Subaru telescope. We will develop a 14x14 arcmin2 wide-field near-infrared (1.0-2.5μm) 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. The expected spatial resolution by the GLAO correction is about 0.2 arcsec FWHM in K-band under moderate seeing conditions at Subaru telescope. ULTIMATE-Subaru will provide a unique capability to realize wide-field and high spatial resolution survey observations in near infrared in the era of TMT. In this paper, we introduce the project overview including the GLAO and near-infrared instrument conceptual design. We also describe the future wide-field strategy at Subaru telescope with ULTIMATE-Subaru together with HSC and PFS.

Paper Details

Date Published: 3 January 2020
PDF: 2 pages
Proc. SPIE 11203, Advances in Optical Astronomical Instrumentation 2019, 112030G (3 January 2020); doi: 10.1117/12.2560539
Show Author Affiliations
Yosuke Minowa, National Astronomical Observatory of Japan (United States)
Yusei Koyama, National Astronomical Observatory of Japan (United States)
Yoshito Ono, National Astronomical Observatory of Japan (United States)
Ichi Tanaka, National Astronomical Observatory of Japan (United States)
Takashi Hattori, National Astronomical Observatory of Japan (United States)
Christophe Clergeon, National Astronomical Observatory of Japan (United States)
Masayuki Akiyama, Tohoku Univ. (Japan)
Tadayuki Kodama, Tohoku Univ. (Japan)
Kentaro Motohara, The Univ. of Tokyo (Japan)
François Rigaut, The Australian National Univ. (Australia)
Céline d'Orgeville, The Australian National Univ. (Australia)
Shiang-Yu Wang, Institute of Astronomy and Astrophysics, Academia Sinica (Taiwan)
Michitoshi Yoshida, National Astronomical Observatory of Japan (United States)


Published in SPIE Proceedings Vol. 11203:
Advances in Optical Astronomical Instrumentation 2019
Simon C. Ellis; Céline d'Orgeville, Editor(s)

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