20 citations · 208 across the 28 of their papers we have counts for
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Rapid Orbital Decay in the Ultracompact Double-degenerate Binary eRASSU J060839.5704014
Rahul Sharma, Chandreyee Maitra, Frank Haberl +9
We present timing and spectral analysis of the recently identified ultracompact double-degenerate (DD) white dwarf binary eRASSU J060839.5704014 using observations from NICER an…
Long thermonuclear burst driven thermal-viscous instability of accretion disk: triggering an outburst-like X-ray flare
Wenhui Yu, Zhaosheng Li, Yuanyue Pan +2
We report on NICER and MAXI observations of a long-duration thermonuclear X-ray burst and a subsequent outburst-like X-ray flare from the neutron star low-mass X-ray binary MAXI J0…
A low mass and radius neutron star candidate in XTE J1810-189?
Shoutao Ban, Helei Liu, Zhaosheng Li +7
Photosphere radius expansion (PRE) bursts provide a crucial tool for constraining the mass and radius of neutron stars. In this study, we analyze time-resolved spectroscopic data f…
X-ray and radio observations of the AMXP MAXI J1957+032 covering the 2022-2025 outbursts
Zhaosheng Li, Lucien Kuiper, Yuanyue Pan +12
We presented a comprehensive multi-epoch timing and multiwavelength analysis of the accreting millisecond X-ray pulsar MAXI J1957+032, covering two major outbursts in 2022 and 2025…
Detection of Oscillations in a Type I X-Ray Burst of 4U 0614+091 with SVOM/ECLAIRs
Sébastien Le Stum, Floriane Cangemi, Alexis Coleiro +29
On 2025 January 10, a thermonuclear (Type I) X-ray burst from the neutron star low-mass X-ray binary \textit{4U~0614+091} was detected with the ECLAIRs instrument on board the \tex…
A transition from mixed-fuel to pure-helium thermonuclear bursts in Terzan 5 X-3/Swift J174805.3-244637
Lei Zhang, Zhaosheng Li, Yuanyue Pan +5
We presented a detailed analysis of seven thermonuclear X-ray bursts from Terzan 5 X-3/Swift J174805.3-244637, detected by NICER during the source's 2023 outburst. Our analysis rev…
Timing and spectral studies of SRGA J144459.2604207 with NICER, Einstein Probe, IXPE, NuSTAR, Insight-HXMT and INTEGRAL during its 2024 outburst
Zhaosheng Li, Lucien Kuiper, Yuanyue Pan +13
SRGA J144459.2604207 is a newly confirmed accreting millisecond X-ray pulsar and type I X-ray burster. We present the broadband X-ray timing and spectral behaviors of SRGA J1444…
Emission and Absorption Lines in Photospheric Radius Expansion Bursts of 4U 182030
Wenhui Yu, Zhaosheng Li, Yuanyue Pan +4
We analyze the emission and absorption lines during photospheric radius expansion (PRE) X-ray bursts from the ultracompact binary 4U 1820--30, observed with the Neutron Star Interi…
Radio pulse search from Aql X-1
Long Peng, Zhaosheng Li, Yuanyue Pan +5
We present 12 observations of the accreting millisecond X-ray pulsar Aql X-1, taken from August 2022 to October 2023 using the Five-hundred-meter Aperture Spherical Radio Telescope…
Quenching and recovery of persistent X-ray emission during a superburst in 4U 182030
Zhijiao Peng, Zhaosheng Li, Yuanyue Pan +6
We report the superburst from 4U 1820--30 in 2021 observed by the Monitor of All-sky X-ray Image and Neutron star Interior Composition Explorer (NICER). During the tail of the supe…
A comprehensive study of type I (thermonuclear) bursts in the new transient SRGA J144459.2604207
Tao Fu, Zhaosheng Li, Yuanyue Pan +11
We report an analysis of Insight-HXMT observations of the newly discovered accreting millisecond pulsar SRGA J144459.2604207. During the outburst, detected in 2024 February by S…
The influence of thermonuclear bursts on polar caps of accreting X-ray millisecond pulsar MAXI J1816-195
Long Ji, Mingyu Ge, Yupeng Chen +4
We report accretion-powered pulsations for the first time during thermonuclear bursts in hard X-rays, which were observed with Insight-HXMT in 2022 during the outburst of the accre…
Discovery of a long thermonuclear X-ray burst from the ultra-compact binary 4U 1850087
Yongqi Lu, Zhaosheng Li, Wenhui Yu +2
We report the detection of a long X-ray burst triggered on MJD 60171.65 from the ultra-compact binary 4U 1850087 by the Monitor of All-sky X-ray Image and Neutron Star Interior…
A Monte Carlo Simulation of the Broad Band X-ray Emission of the Accreting Millisecond X-ray pulsar MAXI J1816-195
Yuan You, Shuang-Nan Zhang, Zhaosheng Li +1
MAXI J1816-195 is an accreting millisecond X-ray pulsar (AMXP) discovered in 2022. According to the Insight-HXMT data, the pulsations of this source extend all the way to over 100…
NICER views moderate, strong, and extreme photospheric expansion bursts from the ultracompact X-ray binary 4U 182030
Wenhui Yu, Zhaosheng Li, Yongqi Lu +5
Type I X-ray bursts in the ultracompact X-ray binary 4U 182030 are powered by the unstable thermonuclear burning of hydrogen-deficient material. We report the detection of 15 ty…
EOS-dependent millihertz quasi-periodic oscillation in low-mass X-ray binary
Helei Liu, Yong Gao, Zhaosheng Li +4
We studied the frequency and critical mass accretion rate of millihertz quasi-periodic oscillations (mHz QPOs) using a one-zone X-ray burst model. The surface gravity is specified…
Broadband X-ray timing and spectral characteristics of the accretion-powered millisecond X-ray pulsar MAXI J1816195
Zhaosheng Li, Lucien Kuiper, Mingyu Ge +11
We studied the broadband X-ray timing and spectral behaviors of the newly confirmed accreting millisecond X-ray pulsar MAXI J1816195 during its 2022 outburst. We used the data f…
Type I X-ray bursts' spectra and fuel composition from the atoll and transient source 4U 173022
Yongqi Lu, Zhaosheng Li, Yuanyue Pan +8
NICER observed two outbursts from the neutron star low-mass X-ray binary 4U~173022 in 2021 and 2022, which showed a similar spectral evolution in the hardness-intensity diagram.…
Discovery of a 584.65 Hz Burst Oscillation in the Low Mass X-Ray Binary 4U 1730--22
Zhaosheng Li, Wenhui Yu, Yongqi Lu +2
Type-I X-ray burst oscillations are powered by thermonuclear released on the neutron star (NS) surface in low mass X-ray binaries (LMXBs), where the burst oscillation frequencies a…
NICER observations of the evidence of Poynting-Robertson drag and disk reflection during type I X-ray bursts from 4U 1636536
Guoying Zhao, Zhaosheng Li, Yuanyue Pan +4
Type I X-ray bursts are the result of an unstable thermonuclear burning of accreting matter on the neutron star (NS) surface. The quick release of energetic X-ray photons during su…
Discovery of transition from marginally stable burning to unstable burning after a superburst in Aql X-1
Zhaosheng Li, Yuanyue Pan, Maurizio Falanga
Superbursts are long duration, rare, and extremely energetic thermonuclear explosions of neutron star low-mass X-ray binaries (NS LMXBs), which are proposed to be due to unstable c…
Expanded atmospheres and winds in Type I X-ray bursts from accreting neutron stars
Simon Guichandut, Andrew Cumming, Maurizio Falanga +2
We calculate steady-state models of radiation-driven super-Eddington winds and static expanded envelopes of neutron stars caused by high luminosities in type I X-ray bursts. We use…
Mixed H/He bursts in SAX J1748.9-2021 during the spectral change of its 2015 outburst
Zhaosheng Li, V. De Falco, M. Falanga +6
SAX J1748.9-2021 is a transiently accreting X-ray millisecond pulsar. It is also known as an X-ray burster source discovered by Beppo-SAX. We analysed the persistent emission and t…