Search Results - "Abolmasov, Pavel"
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1
Magnetic angle evolution in accreting neutron stars
Published in Monthly notices of the Royal Astronomical Society (01-08-2021)“…ABSTRACT The rotation of a magnetized accreting neutron star (NS) in a binary system is described by its spin period and two angles: spin inclination α with…”
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2
Gamma-ray opacity of the anisotropic stratified broad-line regions in blazars
Published in Monthly notices of the Royal Astronomical Society (01-01-2017)“…The GeV-range spectra of blazars are shaped not only by non-thermal emission processes internal to the relativistic jet but also by external pair-production…”
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3
Spin Evolution of Neutron Stars
Published in Galaxies (01-02-2024)“…In this paper we review the basics of magneto-rotational properties of neutron stars focusing on spin-up/spin-down behavior at different evolutionary stages…”
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4
Simulating the shock dynamics of a neutron star accretion column
Published in Monthly notices of the Royal Astronomical Society (24-07-2023)“…ABSTRACT Accretion on to a highly magnetized neutron star runs through a magnetospheric flow, where the plasma follows the magnetic field lines in the…”
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5
Interface instabilities in hydrodynamic relativistic jets
Published in Monthly notices of the Royal Astronomical Society (07-02-2023)“…ABSTRACT Both the dynamics and the observational properties of relativistic jets are determined by their interaction with the ambient medium. A crucial role is…”
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6
Optical Spectroscopy of the Environment of a ULX in NGC 7331
Published in The Astrophysical journal (10-10-2007)“…Optical photometric and spectroscopic data are presented that show an association of an ultraluminous X-ray source in NGC 7331 with a young star cluster of…”
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7
Meridional circulation and reverse advection in hot thin accretion discs
Published in Monthly notices of the Royal Astronomical Society (01-02-2018)“…Abstract In standard accretion discs, outward angular momentum transfer by viscous forces is compensated by the inward motion of the accreting matter. However,…”
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8
Inertial oscillation modes of an inclined dipolar magnetosphere as a source of band-limited noise in X-ray pulsars
Published in Monthly notices of the Royal Astronomical Society (21-07-2020)“…ABSTRACT Magnetic fields of strongly magnetized stars can trap conducting matter due to frozen-in condition. In the force-free regime, the motion of the matter…”
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9
Super-Eddington accretion on to a magnetized neutron star
Published in Monthly notices of the Royal Astronomical Society (21-09-2017)“…Abstract Most of ultraluminous X-ray sources are thought to be objects accreting above their Eddington limits. In the recently identified class of…”
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10
On the Eddington limit for relativistic accretion discs
Published in Monthly notices of the Royal Astronomical Society (21-12-2015)“…Standard accretion disc model relies upon several assumptions, the most important of which is geometrical thinness. Whenever this condition is violated, new…”
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11
Black hole spin evolution affected by magnetic field decay
Published in Monthly notices of the Royal Astronomical Society (11-01-2015)“…Black holes are spun up by accreting matter and possibly spun down by magnetic fields. In our work we consider the effect on black hole rotation of the two…”
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12
Supercritically accreting stellar mass black holes as ultraluminous X-ray sources
Published in Monthly notices of the Royal Astronomical Society (21-05-2007)“…We derive the luminosity–temperature relation for the supercritically accreting black holes (BHs) and compare it to the data on ultraluminous X-ray sources…”
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13
Discovery of a retrogradely rotating neutron star in the X-ray pulsar GX 301–2
Published in Monthly notices of the Royal Astronomical Society (2020)“…ABSTRACT We report on the analysis of the spin evolution of a slow X-ray pulsar GX 301–2 along the orbit using long-term monitoring by Fermi/Gamma-ray Burst…”
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14
Optically Thick Outflows of Supercritical Accretion Discs: Radiative Diffusion Approach
Published in Publications of the Astronomical Society of Japan (25-04-2009)“…Highly supercritical accretion discs are probable sources of dense optically thick axisymmetric winds. We introduce a new approach based on diffusion…”
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15
Simulating the shock dynamics of a neutron star accretion column
Published 12-08-2023“…Monthly Notices of the Royal Astronomical Society (2023) 524 4148 Accretion onto a highly-magnetised neutron star runs through a magnetospheric flow, where the…”
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16
Interface instabilities in hydrodynamic relativistic jets
Published 11-01-2023“…Both the dynamics and the observational properties of relativistic jets are determined by their interaction with the ambient medium. A crucial role is played…”
Get full text
Journal Article -
17
Magnetic angle evolution in accreting neutron stars
Published 03-05-2021“…The rotation of a magnetised accreting neutron star (NS) in a binary system is described by its spin period and two angles: spin inclination $\alpha$ with…”
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Journal Article -
18
Mechanical model of a boundary layer for the parallel tracks of kilohertz quasi-periodic oscillations in accreting neutron stars
Published 05-01-2021“…A&A 647, A45 (2021) Kilohertz-scale quasi-periodic oscillations (kHz QPOs) are a distinct feature of the variability of neutron star low-mass X-ray binaries…”
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19
Meridional circulation and reverse advection in hot thin accretion discs
Published 01-11-2017“…In standard accretion discs, outward angular momentum transfer by viscous forces is compensated by the inward motion of the accreting matter. However, the…”
Get full text
Journal Article -
20
Inertial oscillation modes of an inclined dipolar magnetosphere as a source of band-limited noise in X-ray pulsars
Published 27-05-2020“…Magnetic fields of strongly magnetized stars can trap conducting matter due to frozen-in condition. In the force-free regime, the motion of the matter along…”
Get full text
Journal Article