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arxiv: 1210.2730 · v1 · submitted 2012-10-09 · 🌌 astro-ph.IM

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The metrology cameras for Subaru PFS and FMOS

Shiang-Yu Wang , Yen-Shan Hu , Chi-Hung Yan , Yin-Chang Chang , Naoyuki Tamura , Naruhisa Takato , Atsushi Shimono , Jennifer Karr
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Youichi Ohyama Hsin-Yo Chen Hung-Hsu Ling Hiroshi Karoji Hajime Sugai Akitoshi Ueda
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classification 🌌 astro-ph.IM
keywords metrologycameraspectrographsubaruwillcoverfibersfmos
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The Prime Focus Spectrograph (PFS) is a new multi-fiber spectrograph on Subaru telescope. PFS will cover around 1.4 degree diameter field with ~2400 fibers. To ensure precise positioning of the fibers, a metrology camera is designed to provide the fiber position information within 5 {\mu}m error. The final positioning accuracy of PFS is targeted to be better than 10 {\mu}m. The metrology camera will locate at the Cassegrain focus of Subaru telescope to cover the whole focal plane. The PFS metrology camera will also serve for the existing multi-fiber infrared spectrograph FMOS.

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