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

Yosuke Minowa; Yusei Koyama; Yoshito Ono; Ichi Tanaka; Takashi Hattori; Christophe Clergeon; Masayuki Akiyama; Tadayuki Kodama; Kentaro Motohara; François Rigaut; Céline d'Orgeville; Shiang-Yu Wang; Michitoshi Yoshida

doi:10.1117/12.2560539

3 January 2020 ULTIMATE-Subaru: enhancing the Subaru's wide-field capability with GLAO

Yosuke Minowa, Yusei Koyama, Yoshito Ono, Ichi Tanaka, Takashi Hattori, Christophe Clergeon, Masayuki Akiyama, Tadayuki Kodama, Kentaro Motohara, François Rigaut, Céline d'Orgeville, Shiang-Yu Wang, Michitoshi Yoshida

Author Affiliations +

Proceedings Volume 11203, Advances in Optical Astronomical Instrumentation 2019; 112030G (2020) https://doi.org/10.1117/12.2560539
Event: ANZCOP, 2019, Melbourne, Australia

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.

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Yosuke Minowa, Yusei Koyama, Yoshito Ono, Ichi Tanaka, Takashi Hattori, Christophe Clergeon, Masayuki Akiyama, Tadayuki Kodama, Kentaro Motohara, François Rigaut, Céline d'Orgeville, Shiang-Yu Wang, and Michitoshi Yoshida "ULTIMATE-Subaru: enhancing the Subaru's wide-field capability with GLAO", Proc. SPIE 11203, Advances in Optical Astronomical Instrumentation 2019, 112030G (3 January 2020); https://doi.org/10.1117/12.2560539

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