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The China Space Station Telescope (CSST) is the next-generation Stage~IV survey telescope. It can simultaneously perform multi-band imaging and slitless spectroscopic wide- and deep-field surveys in ten years and an ultra-deep field (UDF)…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-04 Yan Gong , Haitao Miao , Xingchen Zhou , Qi Xiong , Yingxiao Song , Yuer Jiang , Minglin Wang , Junhui Yan , Beichen Wu , Furen Deng , Xuelei Chen , Zuhui Fan , Yipeng Jing , Xiaohu Yang , Hu Zhan

The Chinese Space Station Survey Telescope (CSST), a two-meter aperture astronomical space telescope under China's manned space program, is equipped with multiple back-end scientific instruments. As an astronomical precision measurement…

The China Space Station Telescope (CSST, also known as Xuntian) is a serviceable two-meter-aperture wide-field telescope operating in the same orbit as the China Space Station. The CSST plans to survey a sky area of 17,500 deg$^2$ of the…

High Energy Astrophysical Phenomena · Physics 2024-09-17 Chengqi Liu , Youhua Xu , Xianmin Meng , Xin Zhang , Shi-Yu Li , Yuming Fu , Xiaofeng Wang , Shufei Liu , Zun Luo , Guanghuan Wang , Hu Zhan

The Chinese Space Station Survey Telescope (CSST) is a next-generation Stage-IV facility renowned for its wide field of view, high image quality, and multi-band observational capabilities. Among the five instruments onboard the CSST, the…

The China Space Station Telescope (CSST), slated to become China's largest space-based optical telescope in the coming decade, is designed to conduct wide-field sky surveys with high spatial resolution. Among its key observational modes,…

Instrumentation and Methods for Astrophysics · Physics 2025-11-18 Xin Zhang , Yue-dong Fang , Cheng-liang Wei , Guo-liang Li , Feng-shan Liu , Hang-xin Ji , Hao Tian , Nan Li , Xian-min Meng , Jian-jun Chen , Xia Wang , Rui Wang , Chao Liu , Zhong-wen Hu , Ran Li , Peng Wei , Jing Tang

The Chinese Space Station Survey Telescope (CSST) is a flagship space-based observatory. Its main survey camera is designed to conduct high spatial resolution near-ultraviolet to near-infrared imaging and low-resolution spectroscopic…

As one of Stage IV space-based telescopes, China Space Station Telescope (CSST) can perform photometric and spectroscopic surveys simultaneously to efficiently explore the Universe in extreme precision. In this work, we investigate several…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-14 Haitao Miao , Yan Gong , Xuelei Chen , Zhiqi Huang , Xiao-Dong Li , Hu Zhan

The Chinese Space Station Telescope (CSST) is a cutting-edge two-meter astronomical space telescope currently under construction. Its primary Survey Camera (SC) is designed to conduct large-area imaging sky surveys using a sophisticated…

The Chinese Space Station Survey Telescope (CSST) is a flagship space mission, designed to carry out a large-area sky survey to explore the nature of dark matter and dark energy in the Universe. The onboard multi-band imaging and slitless…

Instrumentation and Methods for Astrophysics · Physics 2025-11-17 Cheng-Liang Wei , Yu Luo , Hao Tian , Ming Li , Yi-Sheng Qiu , Guo-Liang Li , Yue-Dong Fang , Xin Zhang , De-Zi Liu , Nan Li , Ran Li , Huan-Yuan Shan , Lin Nie , Zizhao He , Lei Wang , Xi Kang , Dongwei Fan , Yang Chen , Xiaoting Fu , Chao Liu

The Chinese Space Station Telescope (CSST) is China's upcoming next-generation ultraviolet and optical survey telescope, with imaging resolution capabilities comparable to the Hubble Space Telescope (HST). In this study, we utilized a…

Astrophysics of Galaxies · Physics 2025-06-11 Yuchong Luo , Anhe Sha , Jian Ren , Xin Zhang , Xianmin Meng , Nan Li , F. S. Liu

The China Space Station Telescope (CSST) is a forthcoming space-based optical telescope designed to co-orbit with the Chinese Space Station. With a planned slitless spectroscopic survey spanning a broad wavelength range of $255-1000$nm and…

Galaxy-galaxy strong gravitational lensing (GGSL) is a powerful probe for the formation and evolution of galaxies and cosmology, while the sample size of GGSLs leads to considerable uncertainties and potential bias. The China Space Station…

Astrophysics of Galaxies · Physics 2024-07-31 Xiaoyue Cao , Ran Li , Nan Li , Rui Li , Yun Chen , Keyi Ding , Huanyuan Shan , Hu Zhan , Xin Zhang , Wei Du , Shuo Cao

The Chinese Space Station Telescope (CSST) spectroscopic survey aims to deliver high-quality low-resolution ($R > 200$) slitless spectra for hundreds of millions of targets down to a limiting magnitude of about 21 mag, distributed within a…

Instrumentation and Methods for Astrophysics · Physics 2021-05-05 Haibo Yuan , Dingshan Deng , Yang Sun

The China Space Station Telescope (CSST) photometric survey aims to perform a high spatial resolution (~0.15'') photometric imaging for the targets that cover a large sky area (~17,500 deg^2) and wide wavelength range (from NUV to NIR). It…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-11 Ye Cao , Yan Gong , Zhen-Ya Zheng , Chun Xu

The China Space Station Telescope (CSST) will enter a low Earth orbit around 2024 and operate for 10 years, with seven of those years devoted to surveying the area of the median-to-high Galactic latitude and median-to-high Ecliptic latitude…

Instrumentation and Methods for Astrophysics · Physics 2023-04-06 Zhensen Fu , Zhaoxiang Qi , Shilong Liao , Xiyan Peng , Yong Yu , Qiqi Wu , Li Shao , Youhua Xu

The Wide Field Survey Telescope (WFST) is a dedicated photometric surveying facility being built jointly by the University of Science and Technology of China and the Purple Mountain Observatory. It is equipped with a 2.5-meter diameter…

Strong gravitational lensing by galaxies is a powerful tool for studying cosmology and galaxy structure. The China Space Station Telescope (CSST) will revolutionize this field by discovering up to $\sim$100,000 galaxy-scale strong lenses, a…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-12 Hengyu Wu , Yun Chen , Tonghua Liu , Xiaoyue Cao , Tian Li , Hui Li , Nan Li , Ran Li , Tengpeng Xu

The Chinese Space Station Telescope (CSST) spectroscopic survey plans to deliver high-quality low-resolution ($R > 200$) slitless spectra for hundreds of millions of targets down to a limiting magnitude of about 21 mag, covering a large…

Instrumentation and Methods for Astrophysics · Physics 2021-06-02 Yang Sun , Dingshan Deng , Haibo Yuan

The Chinese Space Station Optical Survey (CSS-OS) is a planned full sky survey operated by the Chinese Space Station Telescope (CSST). It can simultaneously perform the photometric imaging and spectroscopic slitless surveys, and will probe…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-08 Yan Gong , Xiangkun Liu , Ye Cao , Xuelei Chen , Zuhui Fan , Ran Li , Xiao-Dong Li , Zhigang Li , Xin Zhang , Hu Zhan

The Chinese Space Station Telescope (CSST) slitless spectroscopic survey will observe objects to a limiting magnitude of ~ 23 mag (5$\sigma$, point sources) in U, V, and I over 17500 deg$^2$. The spectroscopic observations are expected to…

Astrophysics of Galaxies · Physics 2024-01-29 Run Wen , Xian Zhong Zheng , Yunkun Han , Xiaohu Yang , Xin Wang , Hu Zou , Fengshan Liu , Xin Zhang , Ying Zu , Dong Dong Shi , Yizhou Gu , Yirong Wang
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