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Prime Focus Spectrograph - Subaru's future - | | Hajime Sugai
; Hiroshi Karoji
; Naruhisa Takato
; Naoyuki Tamura
; Atsushi Shimono
; Youichi Ohyama
; Akitoshi Ueda
; Hung-Hsu Ling
; Marcio Vital de Arruda
; Robert H. Barkhouser
; Charles L. Bennett
; Steve Bickerton
; David F. Braun
; Robin J. Bruno
; Michael A. Carr
; João Batista de Carvalho Oliveira
; Yin-Chang Chang
; Hsin-Yo Chen
; Richard G. Dekany
; Tania Pereira Dominici
; Richard S. Ellis
; Charles D. Fisher
; James E. Gunn
; Timothy M. Heckman
; Paul T. P. Ho
; Yen-Shan Hu
; Marc Jaquet
; Jennifer Karr
; Masahiko Kimura
; Olivier Le Fèvre
; David Le Mignant
; Craig Loomis
; Robert H. Lupton
; Fabrice Madec
; Lucas Souza Marrara
; Laurent Martin
; Hitoshi Murayama
; Antonio Cesar de Oliveira
; Claudia Mendes de Oliveira
; Ligia Souza de Oliveira
; Joe D. Orndorff
; Rodrigo de Paiva Vilaça
; Vanessa Bawden de Paula Macanhan
; Eric Prieto
; Jesulino Bispo dos Santos
; Michael D. Seiffert
; Stephen A. Smee
; Roger M. Smith
; Laerte Sodré Jr
; David N. Spergel
; Christian Surace
; Sebastien Vives
; Shiang-Yu Wang
; Chi-Hung Yan
; | | Date: |
9 Oct 2012 | | Abstract: | The Prime Focus Spectrograph (PFS) of the Subaru Measurement of Images and
Redshifts (SuMIRe) project has been endorsed by Japanese community as one of
the main future instruments of the Subaru 8.2-meter telescope at Mauna Kea,
Hawaii. This optical/near-infrared multi-fiber spectrograph targets cosmology
with galaxy surveys, Galactic archaeology, and studies of galaxy/AGN evolution.
Taking advantage of Subaru’s wide field of view, which is further extended with
the recently completed Wide Field Corrector, PFS will enable us to carry out
multi-fiber spectroscopy of 2400 targets within 1.3 degree diameter. A
microlens is attached at each fiber entrance for F-ratio transformation into a
larger one so that difficulties of spectrograph design are eased. Fibers are
accurately placed onto target positions by positioners, each of which consists
of two stages of piezo-electric rotary motors, through iterations by using
back-illuminated fiber position measurements with a wide-field metrology
camera. Fibers then carry light to a set of four identical fast-Schmidt
spectrographs with three color arms each: the wavelength ranges from 0.38
{mu}m to 1.3 {mu}m will be simultaneously observed with an average resolving
power of 3000. Before and during the era of extremely large telescopes, PFS
will provide the unique capability of obtaining spectra of 2400
cosmological/astrophysical targets simultaneously with an 8-10 meter class
telescope. The PFS collaboration, led by IPMU, consists of USP/LNA in Brazil,
Caltech/JPL, Princeton, & JHU in USA, LAM in France, ASIAA in Taiwan, and
NAOJ/Subaru. | | Source: | arXiv, 1210.2719 | | Services: | Forum | Review | PDF | Favorites | |
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