Publications (24)
Switches between accretion structures during flares in 4U 1901+03
L. Ji, L. Ducci, A. Santangelo +120
We report on our analysis of the 2019 outburst of the X-ray accreting pulsar 4U 1901+03 observed with Insight-HXMT and NICER. Both spectra and pulse profiles evolve significantly i…
Diagnostic of the spectral properties of Aquila X-1 by Insight-HXMT snapshots during the early propeller phase
C. Güngör, M. Y. Ge, S. Zhang +108
We study the 2018 outburst of Aql X-1 via the monitor of all sky X-ray image (MAXI) data. We show that the outburst starting in February 2018 is a member of short-low class in the…
Insight-HXMT observations of the New Black Hole Candidate MAXI J1535-571: timing analysis
Y. Huang, J. L. Qu, S. N. Zhang +118
We present the X-ray timing results of the new black hole candidate (BHC) MAXI J1535-571 during its 2017 outburst from Hard X-ray Modulation Telescope (\emph{Insight}-HXMT) observa…
The evolution of the broadband temporal features observed in the black-hole transient MAXI J1820+070 with Insight-HXMT
Yanan Wang, Long Ji, S. N. Zhang +117
We study the evolution of the temporal properties of MAXI 1820+070 during the 2018 outburst in its hard state from MJD 58190 to 58289 with Insight-HXMT in a broad energy band 1-150…
A search for prompt gamma-ray counterparts to fast radio bursts in the Insight-HXMT data
C. Guidorzi, M. Marongiu, R. Martone +118
No robust detection of prompt electromagnetic counterparts to fast radio bursts (FRBs) has yet been obtained, in spite of several multi-wavelength searches carried out so far. Spec…
In-orbit demonstration of X-ray pulsar navigation with the Insight-HXMT satellite
S. J. Zheng, S. N. Zhang, F. J. Lu +110
In this work, we report the in-orbit demonstration of X-ray pulsar navigation with Insight-Hard X-ray Modulation Telescope (Insight-HXMT), which was launched on Jun. 15th, 2017. Th…
Graphene Aerogels for Ultrabroadband Thermoacoustics
F. De Nicola, S. Sarti, B. Lu +4
Sound is usually generated in a medium by an electromechanical vibrating structure. The geometrical size and inertia of the structure set the frequency cutoff in the sound-transduc…
Laser induced magnetization switching in films with perpendicular anisotropy: a comparison between measurements and a multi-macrospin model
C. Bunce, J. Wu, G. Ju +5
Thermally-assisted ultra-fast magnetization reversal in a DC magnetic field for magnetic multilayer thin films with perpendicular anisotropy has been investigated in the time domai…
Insight-HXMT observation on 4U~1608--52: evolving spectral properties of a bright type-I X-ray burst
Y. P. Chen, S. Zhang, S. N. Zhang +109
The evidences for the influence of thermonuclear (type-I) X-ray bursts upon the surrounding environments in neutron star low-mass X-ray binaries (LMXB) were detected previously via…
DASHMM Accelerated Adaptive Fast Multipole Poisson-Boltzmann Solver on Distributed Memory Architecture
B. Zhang, J. DeBuhr, D. Niedzielski +3
We present an updated version of the AFMPB package for fast calculation of molecular solvation-free energy. The main feature of the new version is the successful adoption of the DA…
Insight-HXMT observations of 4U~1636-536: Corona cooling revealed with single short type-I X-ray burst
Y. P. Chen, S. Zhang, S. N. Zhang +108
Corona cooling was detected previously from stacking a series of short type-I bursts occurred during the low/had state of atoll outburst. Type-I bursts are hence regarded as sharp…
Discovery of delayed spin-up behavior following two large glitches in the Crab pulsar, and the statistics of such processes
M. Y. Ge, S. N. Zhang, F. J. Lu +130
Glitches correspond to sudden jumps of rotation frequency () and its derivative () of pulsars, the origin of which remains not well understood yet, partly because the j…
A Simple, Versatile Laser System for the Creation of Ultracold Ground State Molecules
P. D. Gregory, P. K. Molony, M. P. Köppinger +5
A narrow-linewidth, dual-wavelength laser system is vital for the creation of ultracold ground state molecules via stimulated Raman adiabatic passage (STIRAP) from a weakly bound F…
HXMT Identification of a non-thermal X-ray burst from SGR J1935+2154 and with FRB 200428
C. K. Li, L. Lin, S. L. Xiong +117
Fast radio bursts (FRBs) are short pulses observed in radio band from cosmological distances. One class of models invoke soft gamma-ray repeaters (SGRs), or magnetars, as the sourc…
eXTP -- enhanced X-ray Timing and Polarimetry Mission
S. N. Zhang, M. Feroci, A. Santangelo +181
eXTP is a science mission designed to study the state of matter under extreme conditions of density, gravity and magnetism. Primary targets include isolated and binary neutron star…
Insight-HXMT observations of Swift J0243.6+6124: the evolution of RMS pulse fractions at super-Eddington luminosity
P. J. Wang, L. D. Kong, S. Zhang +116
Based on Insight-HXMT data, we report on the pulse fraction evolution during the 2017-2018 outburst of the newly discovered first Galactic ultraluminous X-ray source (ULX) Swift J0…
Hot disk of the Swift J0243.6+6124 revealed by Insight-HXMT
V. Doroshenko, S. N. Zhang, A. Santangelo +113
We report on analysis of observations of the bright transient X-ray pulsar \src obtained during its 2017-2018 giant outburst with Insight-HXMT, \emph{NuSTAR}, and \textit{Swift} ob…
Measuring out quasi-local integrals of motion from entanglement
B. Lu, C. Bertoni, S. J. Thomson +1
Quasi-local integrals of motion are a key concept underpinning the modern understanding of many-body localisation, an intriguing phenomenon in which interactions and disorder come…
Insight-HXMT firm detection of the highest energy fundamental cyclotron resonance scattering feature in the spectrum of GRO J1008-57
M. Y. Ge, L. Ji, S. N. Zhang +118
We report on the observation of the accreting pulsar GRO J1008-57 performed by Insight-HXMT at the peak of the source's 2017 outburst. Pulsations are detected with a spin period of…
Insight-HXMT insight into switch of the accretion mode: the case of the X-ray pulsar 4U 1901+03
Y. L. Tuo, L. Ji, S. S. Tsygankov +116
We use the In data collected during the 2019 outburst from X-ray pulsar 4U 1901+03 to complement the orbital parameters reported by Fermi/GBM. Using the Insight-HXMT, we examine th…
Joint Analysis of Energy and RMS Spectra from MAXI J1535-571 with Insight-HXMT
L. D. Kong, S. Zhang, Y. P. Chen +115
A new black hole X-ray binary (BHXRB) MAXI J1535-571 was discovered by MAXI during its outburst in 2017. Using observations taken by the first Chinese X-ray satellite, the Hard X-r…
Timing analysis of 2S 1417-624 observed with NICER and Insight-HXMT
L. Ji, V. Doroshenko, A. Santangelo +112
We present a study of timing properties of the accreting pulsar 2S 1417-624 observed during its 2018 outburst, based on Swift/BAT, Fermi/GBM, Insight-HXMT and NICER observations. W…
Constant cyclotron line energy in Hercules X-1 -- Joint Insight-HXMT and NuSTAR observations
G. C. Xiao, L. Ji, R. Staubert +108
The long-term evolution of the centroid energy of the CRSF in Her X-1 is still a mystery. We report a new measurement from a campaign between {\sl Insight}-HXMT and {\sl NuSTAR} pe…
-HXMT study of the timing properties of Sco X-1
S. M. Jia, Q. C. Bu, J. L. Qu +106
We present a detailed timing study of the brightest persistent X-ray source Sco X-1 using the data collected by the Hard X-ray Modulation Telescope (-HXMT) from July 2017…