Prime Focus Instrument of Prime Focus Spectrograph for Subaru Telescope

被引：5

作者：

Wang, Shiang-Yu ^{[1
]}

Braun, David F. ^{[2
]}

Schwochert, Mark A. ^{[2
]}

Huang, Pin-Jie ^{[1
]}

Kimura, Masahiko ^{[1
,3
]}

Chen, Hsin-Yo ^{[1
]}

Reiley, Dan J. ^{[4
]}

Mao, Peter ^{[4
]}

Fisher, Charles D. ^{[2
]}

Tamura, Naoyuki ^{[3
]}

Chang, Yin-Chang ^{[1
]}

Hu, Yen-Sang ^{[1
]}

Ling, Hung-Hsu ^{[1
]}

Wen, Chih-Yi ^{[1
]}

Richard, C. -Y. Chou ^{[1
]}

Takato, Naruhisa ^{[5
]}

Sugai, Hajime ^{[3
]}

Ohyama, Youichi ^{[1
]}

Karoji, Hiroshi ^{[3
]}

Shimono, Atsushi ^{[3
]}

Ueda, Akitoshi ^{[6
]}

机构：

[1] Acad Sinica, Inst Astron & Astrophys, Taipei, Taiwan

[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[3] Univ Tokyo, Kavli Inst Phys & Math Univ WPI, Kashiwa, Chiba 2778583, Japan

[4] CALTECH, Pasadena, CA 91125 USA

[5] Natl Astron Observ Japan, Subaru Telescope, Hilo, HI USA

[6] Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY V | 2014年 / 9147卷

关键词：

Prime Focus; mechanical structure; guiding camera; multi-fiber; spectrograph;

D O I：

10.1117/12.2057247

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Prime Focus Spectrograph (PFS) is a new optical/near-infrared multi-fiber spectrograph design for the prime focus of the 8.2m Subaru telescope. PFS will cover 1.3 degree diameter field with 2394 fibers to complement the imaging capability of Hyper SuprimeCam (HSC). The prime focus unit of PFS called Prime Focus Instrument (PFI) provides the interface with the top structure of Subaru telescope and also accommodates the optical bench in which Cobra fiber positioners are located. In addition, the acquisition and guiding (A&G) cameras, the optical fiber positioner system, the cable wrapper, the fiducial fibers, illuminator, and viewer, the field element, and the telemetry system are located inside the PFI. The mechanical structure of the PFI was designed with special care such that its deflections sufficiently match those of the HSC's Wide Field Corrector (WFC) so the fibers will stay on targets over the course of the observations within the required accuracy.

引用

页数：9

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