活跃黑洞遥远宇宙中黑洞的星动力学质量测量
星系天体物理
2025-03-25 v1
摘要
理解超大质量黑洞及其宿主星系的共生演化过程需要追踪其成长的时间轨迹。目前对遥远黑洞质量的测量仅限于活跃的天体，常依赖于空间分辨不足的观测，导致不确定性较大。通过解析宿主星系受引力透镜效应影响的星系内部恒星运动学，能够获得更为准确的质量测量值。然而，迄今为止，这种方法仅适用于局部宇宙中的天体。本文利用 JWST 对位于红移 z=1.95 的引力透镜静止星系中一颗不活跃黑洞进行质量测量，测得质量为 ，并对其宿主系统的详细性质进行了分析。与局部星系的比较表明， 与盘状质量之间的相关性在演化过程中发生了显著变化，而与星系速度色散的相关性可能已存在约 10 十亿年。
引用
@article{arxiv.2503.17478,
title = {A stellar dynamical mass measure of an inactive black hole in the distant universe},
author = {Andrew B. Newman and Meng Gu and Sirio Belli and Richard S. Ellis and Sai Gangula and Jenny E. Greene and Jonelle L. Walsh and Sherry H. Suyu and Sebastian Ertl and Gabriel Caminha and Giovanni Granata and Claudio Grillo and Stefan Schuldt and Tania M. Barone and Simeon Bird and Karl Glazebrook and Marziye Jafariyazani and Mariska Kriek and Allison Matthews and Takahiro Morishita and Themiya Nanayakkara and Justin D. R. Pierel and Ana Acebrón and Pietro Bergamini and Sangjun Cha and Jose M. Diego and Nicholas Foo and Brenda Frye and Yoshinobu Fudamoto and M. James Jee and Patrick S. Kamieneski and Anton M. Koekemoer and Asish K. Meena and Shun Nishida and Masamune Oguri and Piero Rosati and Adi Zitrin},
journal= {arXiv preprint arXiv:2503.17478},
year = {2025}
}
备注
Submitted version, comments welcome