Buoyancy-driven inflow to a relic cold core: the gas belt in radio galaxy 3C 386

Buoyancy-driven inflow to a relic cold core: the gas belt in radio galaxy 3C 386
复制标题

浮力驱动流入遗迹冷核:射电星系 3C 386 中的气体带

DOI:
10.1093/mnras/stw944
复制
发表时间:
2016
影响因子:
4.8
通讯作者:
Duffy R
Duffy R
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Duffy R

文献摘要

参考文献

被引文献

相似文献

我们报告了低激发射电星系 3C 386 的 XMM-牛顿观测的测量结果。该研究的重点是 X 射线发射气体带,该气体带位于 3C 386 射电波瓣之间并与其正交,平均温度为 0.94 ± 0.05 keV,比扩展群大气温度低。带中的气体显示出温度结构,靠近周围介质的物质比靠近宿主星系的气体更热。我们认为,这条气体带涉及部分族群气体大气的“浮力驱动流入”,其中射电波瓣通过环境介质的浮力上升引导流入流向该族群的遗迹冷核心。射电波瓣的逆康普顿发射在与低于均分值的磁场轻微抑制一致的水平上被检测到。
We report measurements from anXMM–Newtonobservation of the low-excitation radio galaxy 3C 386. The study focusses on an X-ray-emitting gas belt, which lies between and orthogonal to the radio lobes of 3C 386 and has a mean temperature of 0.94 ± 0.05 keV, cooler than the extended group atmosphere. The gas in the belt shows temperature structure with material closer to the surrounding medium being hotter than gas closer to the host galaxy. We suggest that this gas belt involves a ‘buoyancy-driven inflow’ of part of the group-gas atmosphere where the buoyant rise of the radio lobes through the ambient medium has directed an inflow towards the relic cold core of the group. Inverse-Compton emission from the radio lobes is detected at a level consistent with a slight suppression of the magnetic field below the equipartition value.
对附近射电星系周围环境的 X 射线和光学研究
DOI: --
发表时间: 1999
期刊:
影响因子: --
作者:
N. Miller;F. Owen;J. Burns;M. Ledlow;W. Voges
通讯作者: W. Voges
FR I 射电星系中的规范粒子加速
DOI: 10.1086/430107
发表时间: 2005
期刊: The Astrophysical Journal
影响因子: --
作者:
A. Young;L. Rudnick;D. Katz;T. Delaney;N. Kassim;K. Makishima
通讯作者: K. Makishima
钱德拉测量的合并相关气体成分对死射电星系波瓣的影响
DOI: 10.1086/513869
发表时间: 2007
期刊: The Astrophysical Journal Letters
影响因子: --
作者:
D. Worrall;M. Birkinshaw;R. Kraft;M. Hardcastle
通讯作者: M. Hardcastle
NGC 6251的X射线结构和能谱
DOI: 10.1086/172944
发表时间: 1993
期刊: The Astrophysical Journal
影响因子: --
作者:
M. Birkinshaw;D. Worrall
通讯作者: D. Worrall
射电星系中的星系气体喷射:3C 35 的案例
DOI: 10.1093/mnras/stt215
发表时间: 2013
影响因子: 4.8
作者:
Mannering E
通讯作者: Mannering E