329 citations · 2.6k across the 96 of their papers we have counts for
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Trace the Accretion Geometry of H 1743--322 with Type C Quasi-periodic Oscillations in Multiple Outbursts
Qing-Cang Shui, Shu Zhang, Yu-Peng P. Chen +12
We present a systematic analysis of type C quasi-periodic oscillation (QPO) observations of H 1743--322 throughout the Rossi X-ray Timing Explorer (RXTE) era. We find that, while d…
CATCH: Chasing All Transients Constellation Hunters Space Mission
Panping Li, Qian-Qing Yin, Zhengwei Li +34
In time-domain astronomy, a substantial number of transients will be discovered by multi-wavelength and multi-messenger observatories, posing a great challenge for follow-up capabi…
Monte-Carlo simulations on possible collimation effects of outflows to fan-beamed emission of ultraluminous accreting X-ray pulsars
X. Hou, Y. You, L. Ji +10
Pulsating ultraluminous X-ray sources (PULXs) are accreting pulsars with apparent X-ray luminosity exceeding . We perform Monte-Carlo simulations to inve…
Return of 4U~1730--22 after 49 years silence: the spectral properties of the 2021/2022 outbursts observed by NICER and Insight-HXMT and the soft-to-hard state transition caused by the propeller effect
Yu-Peng Chen, Shu Zhang, Shuang-Nan Zhang +10
After in quiescence for 49 years, 4U~1730--22 became active and had two outbursts in 2021 \& 2022, the onset and tail of the outbursts were observed by NICER, which give us a peerl…
A possible 250-second X-ray quasi-periodicity in the fast blue optical transient AT2018cow
Wenjie Zhang, Xinwen Shu, Jin-Hong Chen +11
The fast blue optical transients (FBOTs) are a new population of extragalactic transients of unclear physical origin. A variety of mechanisms have been proposed including failed su…
Return of 4U~1730--22 after 49 years silence: the peculiar burst properties of the 2021/2022 outbursts observed by Insight-HXMT
Yu-Peng Chen, Shu Zhang, Long Ji +10
After in quiescence for 49 years, 4U~1730--22 became active and had two outbursts in 2021 \& 2022; ten thermonuclear X-ray bursts were detected with Insight-HXMT. Among them, the f…
High energy Millihertz quasi-periodic oscillations in 1A 0535+262 with Insight-HXMT challenge current models
Ruican Ma, Lian Tao, Shuang-Nan Zhang +21
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…
Fan beamed X-ray emission from 1 keV to above 130 keV from the ultraluminous X-ray pulsar RX J0209.6-7427 in the Small Magellanic Cloud
X. Hou, M. Y. Ge, L. Ji +10
We present detailed timing and spectral analyses of the transient X-ray pulsar RX J0209.67427 in the Small Magellanic Cloud during its 2019 giant outburst. With a better known d…
Timing properties of the X-ray accreting pulsar 1A 0535+262 studied with Insight-HXMT
P. J. Wang, L. D. Kong, S. Zhang +13
We report results on the timing analysis of the 2020 giant outburst of 1A 0535+262, using broadband data from Insight-HXMT. The analysis of the pulse profile evolution from the sub…
The prolific thermonuclear X-ray bursts from the outburst of the newly discovered millisecond pulsar MAXI~J1816--195 observed by Insight-HXMT and NICER
Yu-Peng Chen, Shu Zhang, Long Ji +10
MAXI J1816-195 is a newly discovered accreting millisecond pulsar with prolific thermonuclear bursts, detected during its outburst in 2022 June by Insight-HXMT and NICER. During th…
An Insight-HXMT view of the mHz quasi-regular modulation phenomenon in the black hole X-ray binary 4U 1630-47
Zi-Xu Yang, Liang Zhang, Yue Huang +97
Here we report the spectral-timing results of the black hole X-ray binary 4U 1630-47 during its 2021 outburst using observations from the Hard X-ray Modulation Telescope. Type-C qu…
A 2-hr binary period for the black hole transient MAXI J0637-430
Roberto Soria, Ruican Ma, Lian Tao +1
We revisit various sets of published results from X-ray and optical studies of the Galactic black hole (BH) candidate MAXI J0637-430, which went into outburst in 2019. Combining th…
Determination of QPO properties in the presence of strong broad-band noise: a case study on the data of MAXI J1820+070
Deng-Ke Zhou, Shuang-Nan Zhang, Li-Ming Song +8
Accurate calculation of the phase lags of quasi-periodic oscillations (QPOs) will provide insight into their origin. In this paper we investigate the phase lag correction method wh…
Insight-HXMT discovery of the highest energy CRSF from the first Galactic ultra-luminous X-ray pulsar Swift J0243.6+6124
Ling-Da Kong, Shu Zhang, Shuang-Nan Zhang +15
The detection of cyclotron resonance scattering features (CRSFs) is the only way to directly and reliably measure the magnetic field near the surface of a neutron star (NS). The br…
The peculiar spectral evolution of the new X-ray transient MAXI J0637-430
R. C. Ma, R. Soria, L. Tao +15
We studied the transient Galactic black hole candidate MAXI J0637-430 with data from Insight-HXMT, Swift and XMM-Newton. The broad-band X-ray observations from Insight-HXMT help us…
Insight-HXMT Study of the Inner Accretion Disk in the Black Hole Candidate EXO 1846--031
Xiaoqin Ren, Yanan Wang, ShuangNan Zhang +17
We study the spectral evolution of the black hole candidate EXO 1846031 during its 2019 outburst, in the 1--150 keV band,with the {\it {Hard X-ray Modulation Telescope}}. The co…
The accretion flow geometry of MAXI J1820+070 through broadband noise research with Insight-HXMT
Zi-Xu Yang, Liang Zhang, Qing-Cui Bu +24
Here we present a detailed study of the broadband noise in the power density spectra of the black hole X-ray binary MAXI J1820+070 during the hard state of its 2018 outburst, using…
Quasi-periodic oscillations of the X-ray burst from the magnetar SGR J1935+2154 and associated with the fast radio burst FRB 200428
Xiaobo Li, Mingyu Ge, Lin Lin +92
The origin(s) and mechanism(s) of fast radio bursts (FRBs), which are short radio pulses from cosmological distances, have remained a major puzzle since their discovery. We report…
The evolution of the corona in MAXI J1535-571 through type-C quasi-periodic oscillations with Insight-HXMT
Yuexin Zhang, Mariano Méndez, Federico García +14
Type-C quasi-periodic oscillations (QPOs) in black hole X-ray transients can appear when the source is in the low-hard and hard-intermediate states. The spectral-timing evolution o…
Insight-HXMT Detections of Hard X-ray Tails in Scorpius X-1
G. Q. Ding, J. L. Qu, L. M. Song +9
Using the observations of the high-energy (HE) detector of the Hard X-ray Modulation Telescope (Insight-HXMT) for Scorpius X-1 in 2018, we search for hard X-ray tails in the hard X…
Peculiar disk behaviors of the black hole candidate MAXI J1348-630 in the hard state observed by Insight-HXMT and Swift
W. Zhang, L. Tao, R. Soria +93
We present a spectral study of the black hole candidate MAXI J1348-630 during its 2019 outburst, based on monitoring observations with Insight-HXMT and Swift. Throughout the outbur…