activity
20142026
most citedFossil magnetic field of accretion disks of young stars

47 citations · 169 across the 18 of their papers we have counts for

collaborators

18 papers

astro-ph.EP2026

Investigation of gravitational stability of protoplanetary disks based on statistical analysis of their masses

Sophia A. Drobchik, Sergey A. Khaibrakhmanov

We compiled a sample of protoplanetary disks, combining data from ten surveys of star-forming regions. Based on the sample, we constructed a power-law approximation of the d…

astro-ph.SR2025

Analysis of the magnetic fields in massive young stellar objects with masers

P. I. Pavlova, S. A. Khaibrakhmanov, A. M. Sobolev

We analyze observational data on methanol masers in the disks of young massive stellar objects in the massive star formation regions: NGC6334I, G33.641-0.228, G12.89+0.49. Special…

astro-ph.GA2024

MHD Modeling of the Molecular Filament Evolution

I. M. Sultanov, S. A. Khaibrakhmanov

We perform numerical magnetohydrodynamic (MHD) simulations of the gravitational collapse and fragmentation of a cylindrical molecular cloud with the help of the FLASH code. The clo…

astro-ph.SR2022★ 2 cited

Primary disks and their observational appearance in collapsing magnetic rotating protostellar clouds

Natalya S. Kargaltseva, Sergey A. Khaibrakhmanov, Alexander E. Dudorov +1

The collapse of the magnetic rotating protostellar cloud with mass of is numerically studied. The initial ratios of the thermal, magnetic, and rotational energies o…

astro-ph.SR2022

Physical and chemical vertical structure of magnetostatic accretion disks of young stars

Sergey A. Khaibrakhmanov, Alexander E. Dudorov, Anton I. Vasyunin +1

The vertical structure of the accretion disks of young stars with fossil large-scale magnetic field is studied. The equations of magnetostatic equilibrium of the disk are solved ta…

astro-ph.SR2022★ 5 cited

Dynamics of magnetized accretion disks of young stars

Sergey A. Khaibrakhmanov, Alexander E. Dudorov

We investigate the dynamics of the accretion disks of young stars with fossil large-scale magnetic field. The author's magnetohydrodynamic (MHD) model of the accretion disks is gen…

astro-ph.SR2022

Influence of the magnetic field on the formation of protostellar disks

N. S. Kargaltseva, S. A. Khaibrakhmanov, A. E. Dudorov +2

We numerically model the collapse of magnetic rotating protostellar clouds with mass of 10 . The simulations are carried out with the help of 2D MHD code Enlil. The struct…

astro-ph.SR2022

Dynamics of magnetic flux tubes in accretion disks of Herbig Ae/Be stars

Sergey A. Khaibrakhmanov, Alexander E. Dudorov

The dynamics of magnetic flux tubes (MFTs) in the accretion disk of typical Herbig Ae/Be star with fossil large-scale magnetic field is modeled taking into account the buoyant and…

astro-ph.GA2021★ 10 cited

The link between gas and stars in the S254-S258 star-forming region

D. A. Ladeyschikov, M. S. Kirsanova, A. M. Sobolev +5

The paper aims to study relation between the distributions of the young stellar objects (YSOs) of different ages and the gas-dust constituents of the S254-S258 star-formation compl…

astro-ph.SR2020★ 36 cited

Accretion bursts in magnetized gas-dust protoplanetary disks

Eduard Vorobyov, Sergey Khaibrakhmanov, Shantanu Basu +1

Aims and Methods. Accretion bursts triggered by the magnetorotational instability (MRI) in the innermost disk regions were studied for protoplanetary gas-dust disks formed from pre…

astro-ph.SR2019★ 6 cited

Dynamics of magnetic flux tubes in accretion discs of T Tauri stars

Alexander E. Dudorov, Sergey A. Khaibrakhmanov, Andrey M. Sobolev

Dynamics of slender magnetic flux tubes (MFT) in the accretion discs of T Tauri stars is investigated. We perform simulations taking into account buoyant, aerodynamic and turbulent…

astro-ph.SR2019★ 6 cited

Magnetic ionization-thermal instability

Alexander E. Dudorov, Constantine E. Stepanov, Sergey O. Fomin +1

Linear analysis of the stability of diffuse clouds in the cold neutral medium with uniform magnetic field is performed. We consider that gas in equilibrium state is heated by cosmi…

astro-ph.SR2018★ 3 cited

Influence of Ohmic and ambipolar heating on thermal structure of accretion discs

Sergey A. Khaibrakhmanov, Alexander E. Dudorov

We investigate dynamics of accretion discs of young stars with fossil large-scale magnetic field. Our magneto-gas-dynamic (MHD) model of the accretion discs includes equations of S…

astro-ph.SR2017★ 7 cited

Magnetic field buoyancy in accretion disks of young stars

Sergey A. Khaibrakhmanov, Alexander E. Dudorov

Buoyancy of the fossil magnetic field in the accretion disks of young stars is investigated. It is assumed that the Parker instability leads to the formation of slender flux tubes…

astro-ph.SR2017★ 8 cited

Dynamics of magnetic flux tubes and IR-variability of Young Stellar Objects

Sergey A. Khaibrakhmanov, Alexander E. Dudorov, Andrey M. Sobolev

We simulate the dynamics of slender magnetic flux tubes (MFTs) in the accretion disks of T Tauri stars. The dynamical equations of our model take into account the aerodynamic and t…

astro-ph.SR2016★ 19 cited

Large-scale magnetic field in the accretion discs of young stars: the influence of magnetic diffusion, buoyancy and Hall effect

Sergey A. Khaibrakhmanov, Alexander E. Dudorov, Sergey Yu. Parfenov +1

We investigate the fossil magnetic field in the accretion and protoplanetary discs using the Shakura and Sunyaev approach. The distinguishing feature of this study is the accurate…

astro-ph.SR2014★ 20 cited

Theory of fossil magnetic field

Alexander E. Dudorov, Sergey A. Khaibrakhmanov

Theory of fossil magnetic field is based on the observations, analytical estimations and numerical simulations of magnetic flux evolution during star formation in the magnetized co…

astro-ph.SR2014★ 47 cited

Fossil magnetic field of accretion disks of young stars

A. E. Dudorov, S. A. Khaibrakhmanov

We elaborate the model of accretion disks of young stars with the fossil large-scale magnetic field in the frame of Shakura and Sunyaev approximation. Equations of the MHD model in…