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6 July 2018 The preliminary design of the next generation Palomar spectrograph for 200-inch Hale telescope
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Abstract
The Next Generation Palomar Spectrograph (NGPS) is designed for Cassergrain focus of the Hale 200-inch telescope to replace the old Palomar Double Spectrograph (DBSP). NGPS have higher throughput, efficiency and realities spectrograph. NGPS is designed as three channels to cover the wavelength from 365nm to 1050nm with no spectral gap and delivers a resolving power with a 1.5” slit exceeding R=1800 overall the observable range. The peak efficiency of the whole throughput (from sky to detector) at the wavelength is 35.3% which is consistent with throughput achieved by some of the world’s most efficient spectrographs.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Haijiao Jiang, Zhongwen Hu, Mingming Xu, Songxin Dai, Huatao Zhang, Lei Wang, and Yi Chen "The preliminary design of the next generation Palomar spectrograph for 200-inch Hale telescope", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107022L (6 July 2018); https://doi.org/10.1117/12.2312550
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