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	Timing analysis of the new black hole MAXI J1820+070 with Insight-HXMT observations
	Ma, Xiang
	2021
卷号	43页码:1563
英文摘要	We report the X-ray timing results of the new black hole candidate MAXI J1820+070 during its 2018 outburst using Hard X-ray Modulation Telescope (Insight-HXMT) observations. Low frequency quasi-periodic oscillations (QPOs) are found in the low/hard state which lasted for a long time $\sim$90 days. With the large effective area of Insight-HXMT at high energies, we are able to present the energy dependece of the QPO parameters and phase lag up to 200 keV, which has rarely been explored by previous satellites. We find that the centroid frequency and the full width at half maximum (FWHM) of the QPO do not change significantly with energy. However, as the spectra softening, the QPO phase lags at high energies changes from decreasing with energy to increasing with energy. Our results suggest that the high-energy radiation of the QPOs come from the relativistic jet.
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/289783]
专题	高能物理研究所_粒子天体物理中心 硬X射线调制望远镜卫星
推荐引用方式 GB/T 7714	Ma, Xiang. Timing analysis of the new black hole MAXI J1820+070 with Insight-HXMT observations[J],2021,43:1563.
APA	Ma, Xiang.(2021).Timing analysis of the new black hole MAXI J1820+070 with Insight-HXMT observations.,43,1563.
MLA	Ma, Xiang."Timing analysis of the new black hole MAXI J1820+070 with Insight-HXMT observations".43(2021):1563.

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