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Impact of ultraluminous X-ray sources on photoabsorption in the first galaxies
Sergey Sazonov, Ildar Khabibullin
In the local Universe, integrated X-ray emission from high-mass X-ray binaries (HMXBs) is dominated by the brightest ultraluminous X-ray sources (ULXs) with luminosity >10^40 erg/s…
Hard X-ray surveys and the local AGN population
Sergey Sazonov
We discuss some recent achievements in our understanding of the local AGN population based on large-area hard X-ray surveys (in particular, by the IBIS instrument aboard INTEGRAL),…
New hard X-ray sources discovered in the ongoing INTEGRAL Galactic Plane survey after 14 years of observations
Roman Krivonos, Sergey Tsygankov, Ilya Mereminskiy +3
The International Gamma-Ray Astrophysics Laboratory (INTEGRAL) continues to successfully work in orbit after its launch in 2002. The mission provides the deepest ever survey of har…
The intrinsic collective X-ray spectrum of luminous high-mass X-ray binaries
Sergey Sazonov, Ildar Khabibullin
Using a sample of two hundred luminous (L_unabs>10^38 erg/s, where L_unabs is the unabsorbed 0.25-8 keV luminosity) high-mass X-ray binary (HMXB) candidates found with Chandra in 2…
Identification of X-ray lines in the spectrum of the arcsec-scale precessing jets of SS 433
Ildar Khabibullin, Sergey Sazonov
The extended X-ray emission observed at arcsec scales along the propagation trajectory of the precessing relativistic jets of the Galactic microquasar SS 433 features a broad emiss…