中国科学院紫金山天文台的研究团队利用引力波数据，深入研究了并合黑洞的形成问题，揭示了恒星塌缩和重复并合形成的两类黑洞的分布特征。相关研究成果发表在国际专业学术期刊《物理评论快报》上。
研究团队提出了一种数据驱动的种群统计模型，该模型考虑了黑洞的质量和自旋分布之间的相关性，有助于解析不同起源的黑洞子类。通过分析，研究团队揭示了自旋大小和质量分布区别显著的两个子类，发现与“对不稳定超新星”爆炸的理论预测高度吻合。这一研究不仅揭示了并合黑洞的起源，还为研究宇宙膨胀提供了新的途径。
中国科学院紫金山天文台研究员范一中表示，目前探测到的约70例高置信度双黑洞并合事件，其天体物理学起源依然悬而未决。这些黑洞中的大多数被认为起源于恒星塌缩，有些可能是先前并合的产物。通过研究，科学家们对黑洞的形成机制有了更深入的理解，对宇宙的演化历史也提供了新的线索。
这项研究不仅在物理学领域具有重要意义，也为天文学和宇宙学的发展提供了新的研究方向。未来，科学家们将继续利用引力波数据，探索宇宙更深层次的奥秘。
英语如下：
News Title: “Chinese Scientists Unveil New Characteristics of Black Hole Distribution”
Keywords: Black Hole, Distribution, Research
News Content:
A research team from the Purple Mountain Observatory of the Chinese Academy of Sciences has delved into the formation of merging black holes using gravitational wave data, revealing the distribution characteristics of two types of black holes formed through stellar collapse and repeated mergers. The related research findings have been published in the international professional academic journal “Physical Review Letters.”
The research team has proposed a data-driven population statistical model that takes into account the correlation between the mass and spin distributions of black holes, which aids in the resolution of different subclasses of black holes with different origins. Through analysis, the research team has revealed two distinct subclasses with significant differences in spin size and mass distribution, finding a high degree of correspondence with the theoretical predictions of the “pair-instability supernova” explosion. This research not only unveils the origins of merging black holes but also provides a new avenue for studying the expansion of the universe.
Fan Zhong-yi, a researcher at the Purple Mountain Observatory of the Chinese Academy of Sciences, stated that the origins of the approximately 70 high-confidence double black hole merger events detected to date remain unresolved in astrophysics. Most of these black holes are believed to have originated from stellar collapse, with some possibly being products of previous mergers. Through their research, scientists have gained a deeper understanding of the formation mechanisms of black holes, providing new clues to the evolutionary history of the universe.
This research is of great significance not only in the field of physics but also offers new research directions for the development of astronomy and cosmology. In the future, scientists will continue to explore the deeper mysteries of the universe by utilizing gravitational wave data.
【来源】http://www.chinanews.com/sh/2024/08-03/10263043.shtml
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