activity
20222026
most citedHigh energy Millihertz quasi-periodic oscillations in 1A 0535+262 with Insight-HXMT challenge current models

10 citations · 22 across the 17 of their papers we have counts for

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8 papers · 1 filter

astro-ph.HE2024

A timing view of the additional high-energy spectral component discovered in the black hole candidate Swift J1727.8-1613

Zi-Xu Yang, Liang Zhang, Shuang-Nan Zhang +15

We present an energy-dependent analysis for the type-C quasi-periodic oscillations (QPOs) observed in the black hole X-ray binary Swift J1727.8-1613 using Insight-HXMT observations…

astro-ph.HE2024★ 3 cited

Searching for the highest energy of pulsation and critical luminosity of Swift J0243.6+6124 observed by Insight-HXMT

Qing-Xia Zhao, Xian Hou, Ming-Yu Ge +8

Owing to the broad energy coverage of Insight-HXMT in the hard X-ray band, we detected the highest energy of pulsation exceeding 200 keV around the 2017-2018 outburst peak of the f…

astro-ph.HE2024

Polarization Perspectives on Hercules X-1: Further Constraining the Geometry

Qingchang Zhao, Hancheng Li, Lian Tao +24

We conduct a comprehensive analysis of the accreting X-ray pulsar, Hercules X-1, utilizing data from IXPE and NuSTAR. IXPE performed five observations of Her X-1, consisting of thr…

astro-ph.HE2024

Timing analysis of the newly discovered black hole candidate Swift J1727.8-1613 with Insight-HXMT

Wei Yu, Qing-Cui Bu, Shuang-Nan Zhang +9

We present the results obtained from an X-ray timing study of the new black hole candidate (BHC) Swift J1727.8-1613. The work is based on Hard X-ray Modulation Telescope (Insight-H…

astro-ph.HE2024

The bright black hole X-ray binary 4U 1543-47 during 2021 outburst. A clear state transition from super-Eddington to sub-Eddington accretion revealed by Insight-HXMT

Pei Jin, Guobao Zhang, Yuexin Zhang +9

We present a detailed analysis of the observations with the Hard X-ray Modulation Telescope of the black hole X-ray transient 4U~1543-47 during its outburst in 2021. We find a clea…

astro-ph.HE2024

Studies on the soft intermediate state X-ray flare of MAXI J1535-571 during its 2017 outburst

Ruican Ma, Lian Tao, Mariano Méndez +15

We analyzed an observation with the Nuclear Spectroscopic Telescope Array of the black-hole X-ray binary MAXI J1535-571 in the soft intermediate state, in which we detected a 2.5-k…

astro-ph.HE2024

The First Polarimetric View on Quasi-Periodic Oscillations in a Black Hole X-ray Binary

Qingchang Zhao, Lian Tao, Hancheng Li +19

We present the first polarimetric analysis of Quasi-Periodic Oscillations (QPO) in a black hole binary utilizing \textit{IXPE} data. Our study focuses on Swift J1727.8--1613, which…

astro-ph.HE2024★ 6 cited

Correlated spectro-polarimetric study along the Z track in XTE J1701-462 puts constraints on its coronal geometry

Wei Yu, Qingcui Bu, Victor Doroshenko +13

Context. In September 2022, the transient neutron star low-mass X-ray binary XTE J1701-462 went into a new outburst. Aims. The objective of this work is to examine the evolution of…