A Geometric Origin for Quasi-periodic Oscillations in Black Hole X-Ray Binaries
A Geometric Origin for Quasi-periodic Oscillations in Black Hole X-Ray Binaries
复制标题
黑洞 X 射线双星中准周期振荡的几何起源
DOI：
10.3847/1538-4357/abb707
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
A. Mangalam
中科院分区：
文献类型：
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作者：
P. Rana;A. Mangalam
我们扩展的相对论进动模型，包括非赤道和偏心轨迹，并将其应用到准周期振荡（QPO）在黑洞X射线双星（BHXRBs）和关联的频率与非赤道（卡特常数）和偏心（）粒子轨迹的一般情况下的基频，围绕克尔黑洞。我们研究的情况下，无论是两个或三个同时QPO和提取参数{e，RP，a，Q}，其中RP是近星点距离的轨道，和a是黑洞的自旋。我们发现，在QPO频率的观测范围内，当a ∈ [0，1]时，轨道应具有e = 0.5和rp = 2-20，而当Q = 2-4时，球面轨道{e = 0，}应具有rs = 3-20.我们找到了M82 X-1和GROJ 1655-40的非赤道偏心解。我们看到，这些轨迹，当采取在一起，跨越一个环面区域，并产生一个强大的QPO信号。对于两个同时发生的QPO情况，我们发现了XTEJ 1550-564、4U 1630-47和GRS 1915+105的赤道偏心轨道解，以及BHXRB M82 X-1和XTEJ 1550-564的球面轨道解。我们还表明，偏心轨道的解决方案符合Psaltis-Belloni-Klis相关BHXRB GROJ 1655-40中观察到。我们对相对论盘边缘流体流动的分析表明，不稳定性导致QPO起源于环面区域。我们还提出了一些有用的公式的轨道和频率的球形和赤道偏心轨道。
We expand the relativistic precession model to include nonequatorial and eccentric trajectories and apply it to quasi-periodic oscillations (QPOs) in black hole X-ray binaries (BHXRBs) and associate their frequencies with the fundamental frequencies of the general case of nonequatorial (with Carter's constant, ) and eccentric ( ) particle trajectories, around a Kerr black hole. We study cases with either two or three simultaneous QPOs and extract the parameters {e, rp, a, Q}, where rp is the periastron distance of the orbit, and a is the spin of the black hole. We find that the orbits with should have e ≲ 0.5 and rp ∼ 2–20 for the observed range of QPO frequencies, where a ∈ [0, 1], and that the spherical trajectories {e = 0, } with Q = 2–4 should have rs ∼ 3–20. We find nonequatorial eccentric solutions for both M82 X-1 and GROJ 1655-40. We see that these trajectories, when taken together, span a torus region and give rise to a strong QPO signal. For two simultaneous QPO cases, we found equatorial eccentric orbit solutions for XTEJ 1550-564, 4U 1630-47, and GRS 1915+105, and spherical orbit solutions for BHXRBs M82 X-1 and XTEJ 1550-564. We also show that the eccentric orbit solution fits the Psaltis–Belloni–Klis correlation observed in BHXRB GROJ 1655-40. Our analysis of the fluid flow in the relativistic disk edge suggests that instabilities cause QPOs to originate in the torus region. We also present some useful formulae for trajectories and frequencies of spherical and equatorial eccentric orbits.
DOI：
10.1088/2041-8205/775/2/l45
发表时间：
2013-08
期刊：
The Astrophysical Journal Letters
影响因子：
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作者：
J. Miller;M. Parker;F. Fuerst;M. Bachetti;F. Harrison;D. Barret;S. Boggs;D. Chakrabarty;F. Chris
通讯作者：
J. Miller;M. Parker;F. Fuerst;M. Bachetti;F. Harrison;D. Barret;S. Boggs;D. Chakrabarty;F. Chris