Zobrazeno 1 - 10
of 783
pro vyhledávání: '"Zwart, S."'
Autor:
Mushtukov, A. A., Ingram, A., Suleimanov, V. F., DiLullo, N., Middleton, M., Tsygankov, S. S., van der Klis, M., Zwart, S. Portegies
Within the magnetospheric radius, the geometry of accretion flow in X-ray pulsars is shaped by a strong magnetic field of a neutron star. Starting at the magnetospheric radius, accretion flow follows field lines and reaches the stellar surface in sma
Externí odkaz:
http://arxiv.org/abs/2402.12965
We introduce a new prescription for the evolution of globular clusters (GCs) during the initial embedded gas phase into a Monte Carlo method. With a simplified version of the Monte Carlo MOCCA code embedded in the AMUSE framework, we study the surviv
Externí odkaz:
http://arxiv.org/abs/2206.03404
Publikováno v:
A&A 663, A111 (2022)
Some HII regions that surround young stellar clusters are bordered by molecular shells that appear to expand at a rate inconsistent with our current model simulations. In this study we focus on the dynamics of Sharpless 171 (including NGC 7822), whic
Externí odkaz:
http://arxiv.org/abs/2205.05372
Publikováno v:
A&A 661, A53 (2022)
(Abridged) Surveys of protoplanetary disks in nearby star-forming regions (SFRs) have provided important information on their demographics, but due to their sample sizes, they cannot be used to study how disk properties vary with the environment. We
Externí odkaz:
http://arxiv.org/abs/2202.11057
Neuroinflammatory markers at school age in preterm born children with neurodevelopmental impairments
Publikováno v:
In Brain, Behavior, & Immunity - Health July 2024 38
Hierarchical triple stars are ideal laboratories for studying the interplay between orbital dynamics and stellar evolution. Both stellar wind mass loss and three-body dynamics cooperate to destabilise triples, which can lead to a variety of astrophys
Externí odkaz:
http://arxiv.org/abs/2108.04272
Autor:
Hacar, A., Hogerheijde, M. R., Harsono, D., Zwart, S. Portegies, De Breuck, C., Torstensson, K., Boland, W., Baryshev, A. M., Hesper, R., Barkhof, J., Adema, J., Bekema, M. E., Koops, A., Khudchenko, A., Stark, R.
Publikováno v:
A&A 644, A133 (2020)
Context. The star formation rates and stellar densities found in young massive clusters suggest that these stellar systems originate from gas at densities n(H$_2$) $>10^7$ cm$^{-3}$. Until today, however, the physical characterization of this ultra h
Externí odkaz:
http://arxiv.org/abs/2009.12549
In this paper, we consider triple systems composed of main-sequence (MS) stars, and their internal evolution due to stellar and binary evolution. Our focus is on triples that produce white dwarfs (WDs), where Roche lobe overflow of an evolving tertia
Externí odkaz:
http://arxiv.org/abs/2005.07536
Many stars do not live alone, but instead have one or more stellar companions. Observations show that these binaries, triples and higher-order multiples are common. Whereas the evolution of single stars and binaries have been studied extensively, the
Externí odkaz:
http://arxiv.org/abs/2004.07848
Publikováno v:
A&A 629, A139 (2019)
Comets in the Oort cloud evolve under the influence of internal and external perturbations, such as giant planets, stellar passages, and the galactic tidal field. We aim to study the dynamical evolution of the comets in the Oort cloud, accounting for
Externí odkaz:
http://arxiv.org/abs/1906.10617