The Mini-SiTian Array: First-two-year Operation

Abstract The SiTian project, designed to utilize 60 telescopes distributed across multiple sites in China, is a next-generation time-domain survey initiative. As a pathfinder for the SiTian project, the Mini-SiTian (MST) has been proposed and implemented to test the SiTian’s brain and data pipeline, and to evaluate the feasibility of its technology and science cases. Mounted at the Xinglong Observatory, the MST project comprises three 30 cm telescopes and has been operated since 2022 November. Each telescope of the MST possesses a large field of view, covering 2 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mover> <mml:mrow> <mml:mo>.</mml:mo> </mml:mrow> <mml:mrow> <mml:mtext>°</mml:mtext> </mml:mrow> </mml:mover> </mml:math> 29 × 1 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mover> <mml:mrow> <mml:mo>.</mml:mo> </mml:mrow> <mml:mrow> <mml:mtext>°</mml:mtext> </mml:mrow> </mml:mover> </mml:math> 53 FOV, and is equipped with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msup> <mml:mrow> <mml:mi>g</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>′</mml:mi> </mml:mrow> </mml:msup> </mml:math> , <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msup> <mml:mrow> <mml:mi>r</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>′</mml:mi> </mml:mrow> </mml:msup> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msup> <mml:mrow> <mml:mi>i</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>′</mml:mi> </mml:mrow> </mml:msup> </mml:math> filters, respectively. Acting as the pioneer of the forthcoming SiTian project, the MST is dedicated to the discovery of variable stars, transients, and outburst events, and has already obtained some interesting scientific results. In this paper, we will summarize the first-two-year operation of the MST project.

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Publication Details

Journal
Research in Astronomy and Astrophysics
Published
2025-03-31
DOI
https://doi.org/10.1088/1674-4527/adc788
Citations
9
Primary Topic
Radio Frequency Integrated Circuit Design
Type
article
Field-Weighted Citation Impact
6.57
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article

The Mini-SiTian Array: First-two-year Operation

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Radio Frequency Integrated Circuit Design
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The Mini-SiTian Array: First-two-year Operation

Zeyang Pan, Jie Zheng, Henggeng Han, Zhaohui Shang, Kai Xiao, Liguo Fang, Kun Xu, H. X. Huang, Y. Wu, Ruining Zhao, Zhirui Li, Jianfeng Tian, Yiming Mao, Wan Jun Zhou, Beichuan Wang, Lisha Mou, Yu-E Sun, Junjie Jin, Fangzhou Ren, Z. L. Hou, Junbo Zhang, Zikun Lin, Yongxin Wu, Hua Bao, Xiaofan Zhao, Yue Zhao, Jinlei Zhang, Yongkang Sun, Rui Wang, Shengming Li, Jing Ren, Yunlong Mao, Yunfei Xu, Ge Liang, Yingxin Zhang, Bowen Zhang, Shuai Liu, Zheng Wang, Fan Zhou, Jiahui Wang, Xiangyu Li, Xiaohan Chen, Jifeng Liu, Xiaopeng Liu, Xue Li, Yiyang Lin, Zhengyang Li, Shiqi He, Jun Ma, Min He, Ruifeng Shi, Mo Hao, J. Y. Shi, J. G. Guo, Zijian Han, Jinhu Wang, Cunshi Wang, Yuyang Zhou, Hong Wu, Liyue Zhang, Chuanjie Zheng, Z. Tu, Y. D. Cui, Xunhao Chen, Yinan Zhu, Yu-liang Hong, Haiyang Mu, Jin-Hang Zou, Yaozhuo Cai, Xue-Ang Sun, Bu-hui Lv, Yang Huang, 弘睿 顾
article en
9 citations

Abstract

Abstract The SiTian project, designed to utilize 60 telescopes distributed across multiple sites in China, is a next-generation time-domain survey initiative. As a pathfinder for the SiTian project, the Mini-SiTian (MST) has been proposed and implemented to test the SiTian’s brain and data pipeline, and to evaluate the feasibility of its technology and science cases. Mounted at the Xinglong Observatory, the MST project comprises three 30 cm telescopes and has been operated since 2022 November. Each telescope of the MST possesses a large field of view, covering 2 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mover> <mml:mrow> <mml:mo>.</mml:mo> </mml:mrow> <mml:mrow> <mml:mtext>°</mml:mtext> </mml:mrow> </mml:mover> </mml:math> 29 × 1 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mover> <mml:mrow> <mml:mo>.</mml:mo> </mml:mrow> <mml:mrow> <mml:mtext>°</mml:mtext> </mml:mrow> </mml:mover> </mml:math> 53 FOV, and is equipped with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msup> <mml:mrow> <mml:mi>g</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>′</mml:mi> </mml:mrow> </mml:msup> </mml:math> , <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msup> <mml:mrow> <mml:mi>r</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>′</mml:mi> </mml:mrow> </mml:msup> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:msup> <mml:mrow> <mml:mi>i</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>′</mml:mi> </mml:mrow> </mml:msup> </mml:math> filters, respectively. Acting as the pioneer of the forthcoming SiTian project, the MST is dedicated to the discovery of variable stars, transients, and outburst events, and has already obtained some interesting scientific results. In this paper, we will summarize the first-two-year operation of the MST project.

Research in Astronomy and AstrophysicsVol. 25(4)
Tibet University (CN), China West Normal University (CN), Beijing Normal University (CN), Instituto de Astrofísica de Canarias (ES), Nanjing Institute of Astronomical Optics & Technology (CN), National Astronomical Observatories (CN), University of Chinese Academy of Sciences (CN), Qingdao University of Technology (CN), Hebei Normal University (CN)
Openalex Percentile: Top 3%
Radio Frequency Integrated Circuit Design
6.57
DOIOpen Access PDFOpenAlex
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