activity
20192026
most citedThe cyclotron line energy in Her X-1: stable after the decay

21 citations · 68 across the 15 of their papers we have counts for

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7 papers · 1 filter

astro-ph.HE2024★ 3 cited

The high-energy cyclotron line in 2S 1417-624 discovered with Insight-HXMT during the 2018 outburst

Q. Liu, A. Santangelo, L. D. Kong +7

We report a detailed timing and spectral analysis of the X-ray pulsar 2S~1417-624 using the data from Insight-HXMT during the 2018 outburst. The pulse profiles are highly variable…

astro-ph.HE2024★ 3 cited

Temporal and spectral variations of the X-ray pulsar Cen X-3 observed by NuSTAR

Qi Liu, Wei Wang, Andrea Santangelo +3

We report a time-resolved analysis of the accreting X-ray pulsar Cen X-3 using observations carried out by NuSTAR, which cover approximately two binary orbits in different intensit…

astro-ph.HE2024

Unraveling the hybrid origins of the X-ray non-thermal emission from IGR J17091-3624

Zikun Lin, Yanan Wang, Santiago del Palacio +8

We present a comprehensive study based on multi-wavelength observations from the NuSTAR, NICER, Swift, Fermi, NEOWISE, and ATCA telescopes during the 2022 outburst of the black hol…

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★ 7 cited

The 2018 outburst of MAXI J1820+070 as seen by Insight-HXMT

Ningyue Fan, Songyu Li, Rui Zhan +8

We present an analysis of the whole 2018 outburst of the black hole X-ray binary MAXI J1820+070 with Insight-HXMT data. We focus our study on the temporal evolution of the paramete…

astro-ph.HE2024★ 10 cited

Cyclotron line evolution revealed with pulse-to-pulse analysis in the 2020 outburst of 1A 0535+262

Qingcang Shui, Shu Zhang, Pengju Wang +17

We present a detailed analysis of the X-ray luminosity (Lx) dependence of the cyclotron absorption line energy (Ecyc) for the X-ray binary pulsar 1A 0535+262 during its 2020 giant…

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…