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astro-ph.HE2025
Quasi-periodic oscillations and reflection feature evolution in 4U 1630-47 observed with Insight-HXMT
Jiashi Chen, Wei Wang
The Galactic black hole (BH) X-ray binary 4U 1630-47 went into a new outburst in 2021 after 600 days from its 2020 outburst. We perform a detailed analysis of quasi-periodic…
astro-ph.HE2025
The spin measurement of the black hole SLX 1746-331 using Insight-HXMT observations
Jiashi Chen, Wei Wang
We present an X-ray spectral analysis of a black hole X-ray binary SLX 1746-331 during the 2023 outburst using five \textit{Insight}-HXMT observations. We jointly use the reflectio…
astro-ph.HE2025
Quasi-periodic oscillations of GHz-band polarization in a black hole
Wei Wang, Jiashi Chen, Pengfu Tian +10
Relativistic jets from accreting black holes (BHs) radiate non-thermal emission which is highly variable in different time scales. Magnetic fields anchored to a rotating BH or accr…