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Mauna Kea Spectrographic Explorer (MSE): A New Optical Design for the Multi-object High-Resolution Spectrograph
Zhang K(张凯); 新其其格; Wang J(王靓); Zhu YT(朱永田); Hu ZW(胡中文); Gong XF(宫雪非)
2022-08-29
Conference NameSPIE Astronomical Telescopes + Instrumentation
Source PublicationSPIE Ground-based and Airborne Instrumentation for Astronomy IX
Volume12184
Conference Date2022-8-29
Conference PlaceMontréal, Québec, Canada
Abstract

The Maunakea Spectroscopic Explorer (MSE) project will transform the CFHT 3.6m optical telescope into an 11.25m  multi-object spectroscopic facility with a 1.5 square degrees field of view. It will get the ability to simultaneously  measure 4,332 objects with two spectral resolution modes respectively low/moderate resolution of R=3,000/6,000, and  high resolution of R≥30,000. Multi-object high resolution (HR) spectrographs take the challenge of simultaneously  producing a thousand high-resolution spectra respectively at blue, green, and red channels. A few different optical  designs have been investigated deeply by scientific and technical groups since 2018. With the trade-off studies between  science cases and technical capability in dispersers, the paper describes a new design proposal based on using the echelle  gratings and taking reference to the industrialized production process. It enables to reduce the technical risk in dispersers  and switch the observing wavelength bandpasses quickly by sorting filters.  

KeywordMaunakea Spectroscopic Explorer Multi-object Spectroscopic Survey High-Resolution Spectrograph
Subject Area天文技术与方法
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/2017
Collection会议论文
中国科学院南京天文光学技术研究所知识成果
Affiliation南京天文光学技术研究所
Recommended Citation
GB/T 7714
Zhang K,新其其格,Wang J,et al. Mauna Kea Spectrographic Explorer (MSE): A New Optical Design for the Multi-object High-Resolution Spectrograph[C],2022.
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