China’s most advanced spectroscopic telescope expected to start operations in 2026

January 31, 2024
Updated 2024/01/31 at 11:48 AM
2 Min Read
The conceptual design of the JUST. (Courtesy of Shanghai Jiao Tong University)
(People’s Daily Online)  January 31, 2024

China’s Shanghai Jiao Tong University plans to construct the Jiao Tong University Spectroscopic Telescope (JUST), a 4.4-meter large aperture multi-functional spectroscopic telescope, at the Lenghu astronomical observation base in northwest China’s Qinghai Province. After it is completed, the telescope is expected to achieve significant breakthroughs in time-domain astronomy, exoplanet exploration, and cosmic network structure and evolution.

The JUST is a significant project of the Tsung-Dao Lee Institute at Shanghai Jiao Tong University. It will be located in Saishiteng Mountain, Lenghu town, Mangya city, Haixi Mongolian and Tibetan Autonomous Prefecture, Qinghai.

The JUST will feature a lightweight design and multiple spectrometers, enabling swift switching and the timely spectral observations of target sources. It will focus on three research areas: exploring the dark universe, tracking the dynamic universe, and searching for exoplanets.

The telescope is expected to be completed and put into operation in 2026. It will serve as China’s most advanced spectroscopic telescope, working in close collaboration with the Wide Field Survey Telescope (WFST) and the Chinese Space Station Telescope (CSST), set to be launched this year. This collaboration will yield valuable observational data, contributing significantly to the progress of astronomy in China.

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