agn
美 
英
- 网络活动星系核(active galactic nucleus)；急性肾炎；活跃星系核心(Active Galactic Nuclei)
例句
The survey is sensitive to AGN up to 650 million light-years away and has uncovered dozens of previously unrecognized systems.
这项调查是敏感的活动星系核高达650亿光年远，并发现了先前未知的系统几十人。
Astronomers call the most energetic of these objects active galactic nuclei, or AGNs, after the powerful jets of radiation they spew.
天文学家们将这些观测物中最活跃的那些，依据它们喷吐出的强力迸发的辐射称作活动星系核，英文缩写为AGN。
LK can be considered as a direct evidence for AGN feedback in galaxy groups and clusters.
LK相关性可作为星系群和星系团中AGN反馈加热的直接证据。
She argues that once a hole is in place, gas naturally flows into the galaxy core, fueling an AGN.
她认为只要黑洞处在适当的位置，气体自然而然会流往星系核心，而为AGN加添燃料；
Structure function and auto-correlation function are major tools for studying the variability properties of AGN samples.
结构函数和自相关函数等是研究活动星系核样本光变性质的主要方法。
But for decades only about 1 percent of AGN seemed to be associated with galaxy mergers.
但数十年观测发现仅约百分之一的活动星系核与星系合并有关联。
The dual AGN of Markarian 739 is the second-closest known, both in terms of distance from one another and distance from Earth.
马尔卡良双739的活动星系核是第二已知的最近，无论是在彼此的距离上，从地球的距离。
J. Binney discusses the possible role of violent, episodic heating by AGN in clusters.
学者宾尼讨论可能发挥的作用暴力，情节暖气的活动星系核中的集群。
This highlights the critical importance of high-resolution observations at high X-ray energies in locating binary AGN.
这显示在二进制活动星系核的定位在高X射线能量高清晰度观测至关重要。
In some cool core clusters, re-searchers have found central X-ray cavities that are produced by AGN activity.
在冷核星系团中发现了许多中央活动星系核（AGN）活动所造成的X射线空洞，等。
In addition to radiation, AGNs accelerate charged particles that, in turn, generate a magnetic field.
除了辐射外，AGN还会将带电粒子加速，并因而产生一个磁场。
Two models can explain the AGN well: Black-Hole Disk Model and Uniformed Model.
黑洞-吸积盘模型和统一模型为两种可用来较好解释AGN的理论模型。
How did the second AGN remain hidden for so long?
第二个活动星系核是如何保持隐藏了这么久？
He plans to spend another two years comparing black holes with and without jets, hoping to learn more about the properties of AGN.
他计划再花两年去对比有无喷发的黑洞，希望以此对AGN特性有更多了解。
We weren't seeing many double AGN, so we turned to Chandra for help.
“我们没有看到很多双活动星系核，所以我们求助于钱德拉”。
There are three basic models to interpret the observed AGN variability.
目前，有三种基本的理论模型可以解释活动星系核的光变。
We also know that some BH mass is accreted after galaxy formation, because low-level AGN activity has been observed in some old galaxies.
同时我们也知道在星系形成之后，一些黑洞的质量仍在增长，因为在一些年长的星系中仍观测到有低水平的活动星系核活动。
On the other hand, galaxy-mass black holes are found in Active Galactic Nuclei (AGN).
洞常发现存在于活跃的星系核心（agn）。
AGN Variability and Spectral Slope Variability in the Optical Band
活动星系核在光学波段的光度及光谱斜率变化
Gamma-Ray Emissions of AGN and Cosmological Standard Candles
活动星系核的伽玛辐射和宇宙标准烛光
