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Population synthesis of low-mass binaries with wind-accreting neutron stars
Marina Afonina, Sergei Popov
We perform population synthesis modeling of neutron star binary systems containing a low-mass main-sequence companion underfilling its Roche lobe. About such systems are exp…
Transient discs around isolated accreting neutron stars
Marina D. Afonina, Anton V. Biryukov, Sergei B. Popov +1
Mature, isolated neutron stars can accrete from the interstellar medium. Due to turbulence, the accreted gas can have a substantial angular momentum and form a disc around the comp…
Can accreting isolated neutron stars be detected?
Marina Afonina, Anton Biryukov, Sergei Popov
We perform population synthesis modeling of isolated neutron stars in the Milky Way over its lifetime. Compared with previous studies, we use more detailed models of the interstell…
Low-frequency observations of low-mass binary systems with neutron star candidates
Elena Brylyakova, Marina Afonina, Gayane Tyul'basheva +2
Recently, astrometric and spectroscopic observations resulted in the discovery of several low-mass binaries with invisible components, which are expected to be compact objects. In…
Evolution of neutron stars in wide eccentric low-mass binary systems
Marina Afonina, Sergei Popov
Precise astrometric measurement with Gaia satellite resulted in the discovery of tens of wide binary systems consisting of a Sun-like star and an invisible component. The latter ca…
Probing the propeller regime with wide neutron star binaries
M. D. Afonina, S. B. Popov
We model the duration of the propeller stage in wide binary systems with neutron stars and calculate the time of accretion onset for various propeller models. We apply our modeling…
Probing the Propeller Regime with Symbiotic X-ray Binaries
M. D. Afonina, S. B. Popov
At the moment, there are two neutron star X-ray binaries with massive red supergiants as donors. De et al. (2023) proposed that the system SWIFT J0850.8-4219 contains a neutron sta…
Evolutionary Status of Long-Period Radio Pulsars
M. D. Afonina, A. V. Biryukov, S. B. Popov
We analyze the evolutionary status of recently discovered long-period radio sources PSR J0901-4046, GLEAM-X J1627-52, and GPM J1839-10. We discuss the hypothesis that all three sou…
Early Accretion Onset in Long-Period Isolated Pulsars
M. D. Afonina, A. V. Biryukov, S. B. Popov
We model long-term magneto-rotational evolution of isolated neutron stars with long initial spin periods. This analysis is motivated by the recent discovery of young long-period ne…