郭守敬望远镜(LAMOST)
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【央视新闻】郭守敬望远镜已发布光谱数2807万条 恒星参数1159万组
Yang Shi Xin Wen· 2025-11-04 03:23
LAMOST数据共享卓有成效。目前全球共计300个单位的1800多名用户利用LAMOST数据开展科学 研究,下载数据量约17万GB,数据发布网站查询量373万次。 另据了解,随着国际上新光谱巡天项目的建成和新技术的发展,LAMOST团队持续挖掘LAMOST 大规模巡天潜力,不断突破新的技术瓶颈,目前已有多项关键技术实现国产化。包括承担望远镜光信号 传输任务的特种宽谱光纤;望远镜主动光学的核心器件位移促动器等。这些技术突破也为我国后续研制 更大口径、更高性能的天文望远镜积累了宝贵经验。 记者11月3日从中国科学院国家天文台获悉,截至2025年10月底,国家重大科技基础设施——郭守 敬望远镜(LAMOST)已累计发布光谱数达到2807万条、恒星参数1159万组,数据量稳居世界第一。 郭守敬望远镜( LAMOST ) ...
【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
LAMOST 光纤检测相机在主镜 MB 周围的安装位置(左)及对应相机在焦面上覆盖的区域分布(右)。 中国科学院国家天文台 供图 LAMOST 团队研发的国产化光纤样品。中国科学院国家天文台 供图 左右图分别为位移促动器在 LAMOST 的 MA 、 MB 镜面上的分布。中国科学院国家天文台 供图 作为中国首个天文领域大科学装置,由中国科学院国家天文台负责运行的国家重大科技基础设施郭 守敬望远镜(大天区面积多目标光纤光谱天文望远镜,英文缩写LAMOST)相关巡天数据发布、关键 技术研发等进展,一直以来备受关注。 科学产出正处于高产期 中国科学院国家天文台11月3日对外宣布,截至2025年10月,LAMOST累计发布光谱数达到2807万 条、恒星参数1159万组,数据量稳居世界第一。 与此同时,LAMOST数据共享卓有成效,目前全球共计300个单位的1800多用户利用LAMOST数据 开展科学研究,下载数据量约17万GB,数据发布网站查询373万次。 多项关键技术实现跨越 LAMOST团队介绍说,近年来,国际上最新的大规模光纤光谱巡天都采用闭环检测系统实现对光 纤的实时控制,相比之前的开环检测系统,闭环检测系统 ...
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· 2025-11-03 11:20
Core Insights - The Guo Shoujing Telescope (LAMOST) has achieved the highest volume of astronomical data globally, with a total of 28.07 million spectra and 11.59 million stellar parameters published by October 2025 [2][4] - LAMOST's data sharing has been effective, with over 1,800 users from 300 institutions globally utilizing the data, resulting in approximately 170,000 GB of data downloads and 3.73 million queries on the data release website [2][4] - The telescope has contributed to significant breakthroughs in fields such as galaxy formation, compact objects, and exoplanets, with 417 papers published in the past year, marking a historical high [4] Technological Advancements - LAMOST has transitioned several key technologies from reliance on imports to independent Chinese development, including the domestication of astronomical special wide-spectrum fibers and improvements in fiber positioning accuracy [4][6] - The development of a new closed-loop detection system for fiber positioning has enhanced stability and efficiency, achieving over 97.7% positioning accuracy within 0.4 arc seconds, significantly improving operational precision [7][9] - The innovative active optics technology, which combines both splicing and deformation, is crucial for the telescope's optical performance and scientific output, with domestically developed displacement actuators meeting international standards [7][9] Industry Impact - The advancements in LAMOST's technology not only demonstrate China's capabilities in autonomous research and development but also stimulate the growth of related industries, including high-precision optical components and precision machinery manufacturing [9] - The successful implementation of domestically produced components is expected to enhance the competitiveness of China's astronomical research and potentially expand into international markets [6][9]
让更多“仰望星空”的眼睛成为探索宇宙的力量
Ke Ji Ri Bao· 2025-08-01 01:09
Core Viewpoint - China's astronomy is transitioning from "catching up" to "keeping pace" and even "leading" in the field of astronomical observation, as evidenced by the successful operation of major scientific instruments like the FAST and LAMOST telescopes, and participation in international scientific projects like SKA and GOTTA [1] Group 1: Current Developments in Astronomy - The FAST telescope has achieved world-leading status in low-frequency radio astronomy, while space telescopes like Tianwen, Wukong, and Weiyan form a detection matrix in high-energy astrophysics [1] - The upcoming China Space Station Engineering Survey Telescope (CSST) is expected to generate unprecedented amounts of data, discovering thousands of gravitational lens systems crucial for dark matter and dark energy research [2] Group 2: Public Engagement and Education - The CSST's data will serve as a significant scientific resource and a vehicle for public science education, encouraging societal participation in cosmic research and enhancing scientific literacy [2] - The National Astronomical Data Center has established a leading advantage in public astronomy science, utilizing AI models to create intelligent astronomy learning communities that allow public participation in scientific exploration [2] Group 3: Citizen Science Initiatives - The public's involvement in astronomy has accelerated data mining and made scientific exploration a shared endeavor, exemplified by projects like the China-VO supernova search, which has engaged thousands of participants [3] - Experts emphasize the importance of a robust reward mechanism to sustain public contributions to scientific research, advocating for a system that transforms contributions into growth resources [3][4] Group 4: Technological Advancements - The rise of big data, artificial intelligence, and global observation networks is profoundly changing the research methods in astronomy, injecting unprecedented vitality into the field through public science initiatives [4]