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Evolution of the X-ray Binary System Sco X-1
AbstractThe possible evolution of a bright low-mass X-ray binary system Sco X-1 is numerically investigated within the framework of a model assuming...
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X-Ray Astronomy and Close Binary Systems
AbstractThe discovery in 1962 of the compact source Sco X-1, the first X-ray source located outside the Solar System, marked a new (“golden”) era in...
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Low-Mass X-ray Binaries
A large fraction of X-ray sources in our Galaxy are low-mass X-ray binaries, containing a black hole or a neutron star accreting from a...
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High-Mass X-ray Binaries
Binary systems in which a neutron star or black hole accretes material from a high-mass star are known as high-mass X-ray binaries (HMXBs). This...
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High-Mass X-ray Binaries
Binary systems in which a neutron star or black hole accretes material from a high-mass star are known as high-mass X-ray binaries (HMXBs). This...
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X-ray Variability of the Milky Way
By constructing the power density spectrum of the Milky Way due to Galactic X-ray binaries (XRB) we investigate the prospect of disentangling the...
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Investigation of the Disk of the Be Star in the High-Mass X-ray Binary IGR J21343+4738
AbstractWe present the results of our long-term photometric and spectroscopic monitoring with the 1.5-m telescope RTT-150 for the optical counterpart...
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X-ray Polarimetry-Timing
X-ray polarimetry-timing is the characterization of rapid variability in the X-ray polarization degree and angle. As for the case of spectral-timing,...
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Vertical wind structure in an X-ray binary revealed by a precessing accretion disk
The accretion of matter onto black holes and neutron stars often leads to the launching of outflows that can greatly affect the environments...
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Low-Mass X-ray Binaries
A large fraction of X-ray sources in our Galaxy are low-mass X-ray binaries, containing a black hole or a neutron star accreting from a...
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X-ray Binaries in External Galaxies
X-ray appearance of normal galaxies is mainly determined by X-ray binaries powered by accretion onto a neutron star or a stellar mass black hole....
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The X-ray Emission from Planetary Nebulae
Planetary nebulae, the progeny of low- and intermediate-mass stars, are formed by the interaction of the fast stellar wind from its central star,...
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X-Ray Astronomy and Astrophysics
The most compelling nature of X-ray astronomy is its richness and scale. Almost every observable object in the sky either naturally emits X-ray...
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Cygnus X-3 revealed as a Galactic ultraluminous X-ray source by IXPE
The accretion of matter by compact objects can be inhibited by radiation pressure if the luminosity exceeds a critical value known as the Eddington...
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The Solar X-ray Corona
The X-ray emission from the Sun reveals a very dynamic hot atmosphere, the corona, which is characterized by a complex morphology and a broad range...
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X-ray Polarimetry-Timing
X-ray polarimetry-timing is the characterization of rapid variability in the X-ray polarization degree and angle. As for the case of spectral-timing,...
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What is the hard spectral state in X-ray binaries? Insights from GRRMHD accretion flows simulations and polarization of their X-ray emission
X-ray binaries are known to exhibit different spectral states which are often associated with different black hole accretion modes. The exact...
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The Hard X-ray Modulation Telescope
The Hard X-ray Modulation Telescope (HXMT), dubbed as Insight-HXMT after its launch on June 15, 2017, is China’s first X-ray astronomical satellite....
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Evolution of the X-ray Binary System Sco X-1 within the Framework of the Induced Stellar Wind Model
AbstractWithin the framework of the induced stellar wind (ISW) model, the possible evolution of the X-ray binary system Sco X-1 after the formation...
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Modeling and Simulating X-ray Spectra
X-ray spectroscopy is a powerful technique for the analysis of the energy distribution of X-rays from astrophysical sources. It allows for the study...