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MATCH:武汉大学1米光学望远镜的性能表征与科学观测

MATCH: Performance Characterization and Scientific Observations of the Wuhan University 1-m Optical Telescope

Sai-En Xu, Bei You, Han He, Shuai-Kang Yang, Xiao Fan, Yi-Fei Qu, Rui-Xiang Hu, Hui-Bo Fei, Bo-An Chen, Zong-Hong Zhu, Zheng-Yang Li, Xiao-Yan Li, Zi-Jian Han, Jia-Nan Cong, Chao Chen, Jia-Li Chen, Kai-Wen Zheng, Yi-Qiao Yang, Qing-Shan Li, Zhen-Guang Sun, Tong Zhou, Kai Zhang, Jiajia Wu, Xuhang Yin, Liang Yuan

arXiv 2609.38858首次发表:更新:

发表机构

Wuhan University(武汉大学)

机构由 AI 辅助整理,请以论文原文为准。

AI 中文总结

本文介绍武汉大学1米MATCH望远镜的配置、首年性能及集成观测流程,其成像和光谱能力支持瞬变源与变源的光度和光谱后续观测。

AI 中文摘要

多模自主终端兼容混合光学系统(MATCH)由武汉大学运行,位于冷湖,是一台配备成像和光谱仪器的1米Ritchey--Chrétien望远镜。MATCH自2025年10月起进入试运行阶段。本文介绍了望远镜和仪器的配置,表征了其运行第一年内的性能,并描述了为常规和时域观测所开发的集成观测工作流程,包括天文台控制系统、观测调度器和自动化数据处理流水线。在典型观测条件下,成像系统在ugri波段达到60秒等效5σ极限星等约18至20等,而光谱系统在仪器有效光谱分辨率下,30分钟积分时间在B和G通道达到约15至16等。在最佳质量的成像观测中,g和r波段的深度接近21等。结合灵活的调度和靶源机会能力,MATCH为瞬变源和变源提供光度与光谱的后续观测及长期监测。

英文摘要

The Multi-mode Autonomous Terminal for Compatible Hybrid-optics (MATCH), operated by Wuhan University and located at Lenghu, is a 1-m Ritchey--Chrétien telescope equipped with imaging and spectroscopic instruments. MATCH has been in trial operation since October 2025. In this work, we present the telescope and instrument configuration, characterize its performance during the first year of operation, and describe the integrated observing workflow developed for routine and time-domain observations, including the observatory control system, observation scheduler, and automated data reduction pipelines. Under typical observing conditions, the imaging system reaches 60-s-equivalent $5σ$ limiting magnitudes of approximately 18--20 mag across the $ugri$ bands, while the spectroscopic system reaches approximately 15--16~mag in the B and G channels in a 30-minute integration at the effective spectral resolution of the instrument. In the best-quality imaging observations, the $g$- and $r$-band depths approach 21~mag. Together with flexible scheduling and Target-of-Opportunity capability, MATCH provides photometric and spectroscopic follow-up and long-term monitoring of transient and variable sources.

论文原文

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