Core Insights - LAMOST, China's first large-scale astronomical facility, has achieved significant advancements in data production and technology development, with a total of 28.07 million spectra and 11.59 million stellar parameters expected to be released by October 2025, maintaining the world's largest data volume in this field [4] - The LAMOST data has facilitated groundbreaking research in areas such as the formation and evolution of the Milky Way, compact celestial bodies, and exoplanets, with 417 papers published in the past year, marking a historical high [4] - The LAMOST team has successfully transitioned several key technologies from reliance on imports to domestic production, including the development of domestically produced astronomical specialty wide-spectrum optical fibers and improvements in fiber positioning accuracy [4][5] Data Production and Sharing - As of November 3, 2023, LAMOST has shared data with over 1,800 users from 300 institutions globally, resulting in approximately 170 terabytes of data downloaded and 3.73 million queries on the data release website [4] - The ongoing scientific output from LAMOST is at a peak, contributing significantly to humanity's exploration of the universe [4] Technological Advancements - LAMOST has developed a new closed-loop detection system for fiber positioning, achieving over 97.7% accuracy within 0.4 arc seconds, significantly enhancing operational stability and efficiency [6] - The innovative active optical technology developed by LAMOST, which combines both splicing and deformation, is crucial for the telescope's optical performance and successful survey operations [6][7] - The domestically produced displacement actuators meet LAMOST's technical requirements and are at the forefront of international standards, contributing to the overall advancement of China's optical and precision manufacturing industries [7]
【中国新闻网】郭守敬望远镜发布数据量世界第一 多项关键技术实现中国自主研发
Zhong Guo Xin Wen Wang·2025-11-04 02:30