Radio flaring and dual radio loud/quiet behaviour in the new candidate black hole X-ray binary MAXI J1631-472

Radio flaring and dual radio loud/quiet behaviour in the new candidate black hole X-ray binary MAXI J1631-472
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新候选黑洞 X 射线双星 MAXI J1631-472 中的射电耀斑和双射电大声/安静行为

DOI:
10.1093/mnras/stab043
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发表时间:
2021-01
期刊:
\mnras
影响因子:
--
通讯作者:
van der Horst A.~J.
van der Horst A.~J.
中科院分区:
其他
文献类型:
--
作者:
Monageng I.~M.;Motta S.~E.;Fender R.;Yu W.;Woudt P.~A.;Tremou E.;Miller-Jones J.~C.~A.;van der Horst A.~J.

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我们介绍了在2018-2019年爆发期间,MeerKAT射电干涉仪,Neil Gehrels Swift天文台和全天X射线图像监视器(MAXI)仪器对新黑洞候选者X射线双星MAXI J1631-472进行的每周监测结果。该源表现出一些X射线状态,特别是高亮度和低亮度硬态,由扩展的软态包围。在从硬/中间状态过渡到软状态后不久就可以观察到射电耀斑。这与现有的经验模型基本一致,但其持续时间的延长暗示了多个未解决的耀斑和/或喷流-ISM相互作用。在硬态射电:X射线平面中,源在高光度下被揭示为“射电安静”,但在较低光度下重新加入“标准”轨道,这是一种越来越常见的观察到的行为模式。
We present the results of a weekly monitoring of the new black hole candidate X-ray binary MAXI J1631-472 carried out with the MeerKAT radio interferometer, theNeil Gehrels Swift Observatory, and the Monitor of All-sky X-ray Image (MAXI) instrument, during its 2018–2019 outburst. The source exhibits a number of X-ray states, in particular both high- and low-luminosity hard states bracketed by extended soft states. Radio flaring is observed shortly after a transition from hard/intermediate states to the soft state. This is broadly in agreement with existing empirical models, but its extended duration hints at multiple unresolved flares and/or jet–ISM interactions. In the hard state radio:X-ray plane, the source is revealed to be ‘radio quiet’ at high luminosities, but to rejoin the ‘standard’ track at lower luminosities, an increasingly common observed pattern of behaviour.
DOI: --
发表时间: 2015-02
期刊: --
影响因子: --
作者:
N. Mohan;D. Rafferty
通讯作者: N. Mohan;D. Rafferty
DOI: --
发表时间: 1996
期刊: --
影响因子: --
作者:
G. Jacoby;J. Barnes
通讯作者: G. Jacoby;J. Barnes