Panping Li
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View article: Observatory Science with eXTP
Observatory Science with eXTP Open
Scheduled for launch in 2030, the enhanced X-ray Timing and Polarization (eXTP) telescope is a Chinese space-based mission aimed at studying extreme conditions and phenomena in astrophysics. eXTP will feature three main payloads: Spectrosc…
View article: Ground calibration and network of the first CATCH pathfinder
Ground calibration and network of the first CATCH pathfinder Open
The Chasing All Transients Constellation Hunters (CATCH) space mission is focused on exploring the dynamic universe via X-ray follow-up observations of various transients. The first pathfinder of the CATCH mission, CATCH-1, was launched on…
View article: Polarization Perspectives on Hercules X-1: Further Constraining the Geometry
Polarization Perspectives on Hercules X-1: Further Constraining the Geometry Open
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 three in the Main-on state and two in the Short-on state. Our …
View article: Studies on the soft intermediate state X-ray flare of MAXI J1535−571 during its 2017 outburst
Studies on the soft intermediate state X-ray flare of MAXI J1535−571 during its 2017 outburst Open
We analysed 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-ks long flare. Our spectral fitting results suggest that MAX…
View article: Studies on the soft intermediate state X-ray flare of MAXI J1535-571 during its 2017 outburst
Studies on the soft intermediate state X-ray flare of MAXI J1535-571 during its 2017 outburst Open
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-ks long flare. Our spectral fitting results suggest that MAX…
View article: The First Polarimetric View on Quasi-Periodic Oscillations in a Black Hole X-ray Binary
The First Polarimetric View on Quasi-Periodic Oscillations in a Black Hole X-ray Binary Open
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 experienced a massive outburst that was observed by variou…
View article: The mHz quasi-regular modulations of 4U 1630--47 during its 1998 outburst
The mHz quasi-regular modulations of 4U 1630--47 during its 1998 outburst Open
We present the results of a detailed timing and spectral analysis of the quasi-regular modulation (QRM) phenomenon in the black hole X-ray binary 4U 1630--47 during its 1998 outburst observed by Rossi X-ray Timing Explore (RXTE). We find t…
View article: High energy millihertz quasi-periodic oscillations in 1A 0535 + 262 with Insight-HXMT challenge current models
High energy millihertz quasi-periodic oscillations in 1A 0535 + 262 with Insight-HXMT challenge current models Open
We studied the millihertz quasi-periodic oscillation (mHz QPO) in the 2020 outburst of the Be/X-ray binary 1A 0535 + 262 using Insight-HXMT data over a broad energy band. The mHz QPO is detected in the 27–120 keV energy band. The QPO centr…
View article: High energy Millihertz quasi-periodic oscillations in 1A 0535+262 with Insight-HXMT challenge current models
High energy Millihertz quasi-periodic oscillations in 1A 0535+262 with Insight-HXMT challenge current models Open
We studied the millihertz quasi-periodic oscillation (mHz QPO) in the 2020 outburst of the Be/X-ray binary 1A 0535+262 using Insight-HXMT data over a broad energy band. The mHz QPO is detected in the 27-120 keV energy band. The QPO centroi…