{
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    "relation": "topic-surface-only",
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  "dek": "中新网9月16日电 据中国科学院国家天文台网站消息，近日，依托中国天眼FAST超高探测灵敏度，国家天文台韩金林研究员领衔的FAST银道面脉冲星巡天团队取得重要发现，捕获一颗处于紧致轨道的双中子星系统PSRJ1856-0039。该系统是轨道周期极短、目前已知总质量最轻的双中子星系统，多项观测结果精准验证了广义相对论，为探索极端天体物理、引力本质与宇宙元素起源提供了关键的新目标，相关研究成果2026年9月15日发表于《物理评论快报》(PRL)，并被期刊编辑遴选为重点推介成果。",
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      "title": "中国天眼FAST发现极短周期、最轻双中子星系统",
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  "reported_facts": [
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