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13 December 2020 Mauna Kea Spectrographic Explorer (MSE): new preliminary design for the multi-object high resolution spectrograph
Kai Zhang, Jianrong Shi, Liang Wang, Yongtian Zhu, Zhen Tang, Qiqige Xin, Kei Szeto, Jennifer Marshall, Nicolas Flagey, Alexis Hill, Samuel Barden, Xuefei Gong
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Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 114478B (2020) https://doi.org/10.1117/12.2561553
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only
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Abstract
The Maunakea Spectroscopic Explorer (MSE) project will transform the CFHT 3.6m optical telescope to an 11.25 m multi- object spectroscopic facility with an ability to simultaneously detect thousands of objects with three spectral resolution modes, low resolution of R ~ 3,000, moderate resolution of R ~ 5,000, and high resolution of R 20,000 ~ 40,000, respectively. The multi-object high resolution (HR) spectrographs can derive simultaneously around one thousand high- resolution spectra of Blue, Green, and Red channels, respectively. Based on the discussion of the science cases in 2019, the design team suggested that the optimal design of HR spectrograph should balance between the new scientific requirements and technical feasibility. Here, the HR design team shows the trade-off study's progress and introduces a new preliminary design.
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Kai Zhang, Jianrong Shi, Liang Wang, Yongtian Zhu, Zhen Tang, Qiqige Xin, Kei Szeto, Jennifer Marshall, Nicolas Flagey, Alexis Hill, Samuel Barden, and Xuefei Gong "Mauna Kea Spectrographic Explorer (MSE): new preliminary design for the multi-object high resolution spectrograph", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114478B (13 December 2020); https://doi.org/10.1117/12.2561553
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KEYWORDS
Astronomical imaging
Spectrographs
Spectral resolution
Spectroscopy
Optical telescopes
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