返回辐射对x射线反射光谱测量的影响：以银河系黑洞为例

IF 5.3 2区物理与天体物理 Q1 Physics and Astronomy

Physical Review D Pub Date : 2025-03-10 DOI:10.1103/physrevd.111.063025

Kexin Huang, Honghui Liu, Cosimo Bambi, Javier A. García, Zuobin Zhang

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引用次数: 0

摘要

在银河系黑洞和活动星系核的反射光谱分析中，长期以来一直忽略了返回辐射的影响，直到最近才在包中实现。在这里，我们提出了一个关于返回辐射对银河系黑洞参数估计的影响的研究。我们考虑了三个银河系黑洞（GX 339-4、Swift j16582 - 4242和MAXI J1535-571）的高质量光谱，并将数据与最新版本的灯柱模型进行拟合，首先不考虑返回辐射，然后考虑返回辐射。我们没有发现在这两种情况下对这些系统参数的估计有任何显著差异，即使所有三个源都是快速旋转的黑洞，并且对于两个源，日冕高度的估计非常低，这两个成分应该最大化返回辐射的影响。我们讨论了我们的结果和近似。2025年由美国物理学会出版

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Impact of the returning radiation on x-ray reflection spectroscopy measurements: The case of Galactic black holes

The effect of the returning radiation has long been ignored in the analysis of the reflection spectra of Galactic black holes and active galactic nuclei and only recently has been implemented in the package. Here we present a study on the impact of the returning radiation on the estimate of the parameters of Galactic black holes. We consider high-quality spectra of three Galactic black holes (GX 339–4, Swift J1658.2–4242, and MAXI J1535–571) and we fit the data with the lamppost model in the latest version of , first without including the returning radiation and then including the returning radiation. We do not find any significant difference in the estimate of the parameters of these systems between the two cases, even if all three sources are fast-rotating black holes and for two sources the estimate of the height of the corona is very low, two ingredients that should maximize the effect of the returning radiation. We discuss our results and the approximations in .

Published by the American Physical Society

2025

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来源期刊

Physical Review D 物理-天文与天体物理

CiteScore

9.20

自引率

36.00%

发文量

审稿时长

2 months

期刊介绍： Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics. PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including: Particle physics experiments, Electroweak interactions, Strong interactions, Lattice field theories, lattice QCD, Beyond the standard model physics, Phenomenological aspects of field theory, general methods, Gravity, cosmology, cosmic rays, Astrophysics and astroparticle physics, General relativity, Formal aspects of field theory, field theory in curved space, String theory, quantum gravity, gauge/gravity duality.