SXS 合作组双黑洞模拟目录
广义相对论与量子宇宙学
2019-09-13 v2 高能天体物理现象
摘要
合并黑洞引力波的精确模型对于探测器尽可能多地观测事件并提取最大科学价值是必要的。在合并时刻附近,合并黑洞的引力波只能借助数值相对论计算。本文中,我们呈现 Simulating eXtreme Spacetimes (SXS) 合作组合并黑洞数值模拟目录的一次重大更新。该目录包含 2018 种不同构型(相比 2013 年 SXS 目录增加 11 倍),其中包括 1426 种自旋进动构型,质量比介于 1 与 10 之间,自旋幅值最高达 0.998。目录中波形的中位长度为主导 引力波模式的 39 个周期,最短波形含 7.0 个周期,最长 351.3 个周期。我们讨论了诸如修正运动质心与扩展参数空间覆盖等改进。我们还给出了数值误差的详尽分析,发现典型的截断误差对应于 的波形失配。这些模拟给出的 remnant( remnant)质量与自旋不确定度分别为 0.03% 与 0.1%(第 百分位),比 remnant 性质的解析模型约好一个数量级。完整目录公开于 https://www.black-holes.org/waveforms 。
引用
@article{arxiv.1904.04831,
title = {The SXS Collaboration catalog of binary black hole simulations},
author = {Michael Boyle and Daniel Hemberger and Dante A. B. Iozzo and Geoffrey Lovelace and Serguei Ossokine and Harald P. Pfeiffer and Mark A. Scheel and Leo C. Stein and Charles J. Woodford and Aaron B. Zimmerman and Nousha Afshari and Kevin Barkett and Jonathan Blackman and Katerina Chatziioannou and Tony Chu and Nicholas Demos and Nils Deppe and Scott E. Field and Nils L. Fischer and Evan Foley and Heather Fong and Alyssa Garcia and Matthew Giesler and Francois Hebert and Ian Hinder and Reza Katebi and Haroon Khan and Lawrence E. Kidder and Prayush Kumar and Kevin Kuper and Halston Lim and Maria Okounkova and Teresita Ramirez and Samuel Rodriguez and Hannes R. Rüter and Patricia Schmidt and Bela Szilagyi and Saul A. Teukolsky and Vijay Varma and Marissa Walker},
journal= {arXiv preprint arXiv:1904.04831},
year = {2019}
}
备注
33+18 pages, 13 figures, 4 tables, 2,018 binaries. Catalog metadata in ancillary JSON file. v2: Matches version accepted by CQG. Catalog available at https://www.black-holes.org/waveforms