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Observational evidence has continued to mount that a significant fraction of rapidly rotating early-B type stars are products of binary mass transfer. However, very few mid- and late-type B stars with rapid rotation have been demonstrated…

The unstable mass transfer situation in binary systems will asymptotically cause the adiabatic expansion of the donor star and finally lead to the common envelope phase. This process could happen in helium binary systems once the helium…

太阳与恒星天体物理 · 物理学 2024-06-21 Lifu Zhang , Hongwei Ge , Xuefei Chen , Zhanwen Han

The stability of mass transfer is critical in determining pathways towards various kinds of compact binaries, such as compact main-sequence white-dwarf binaries, and transients, such as double white-dwarf mergers and luminous red novae.…

太阳与恒星天体物理 · 物理学 2025-02-24 K. D. Temmink , O. R. Pols , S. Justham , A. G. Istrate , S. Toonen

Mass transfer (MT) in binary systems is a common evolutionary process that can significantly affect the structure, evolution, and final fate of both stars. In modeling MT hydrodynamics, it is usually assumed that the critical point of the…

太阳与恒星天体物理 · 物理学 2026-02-18 Jakub Cehula , Ondřej Pejcha

The origin of chemically peculiar stars and non-zero eccentricity in evolved close binaries have been long-standing problems in binary stellar evolution. Answers to these questions may trace back to an intense mass transfer during AGB…

太阳与恒星天体物理 · 物理学 2020-04-15 Zhuo Chen , Natalia Ivanova , Jonathan Carroll-Nellenback

Understanding the transfer of mass and angular momentum in binary interactions is crucial for modelling the evolution of any interacting binary after the first mass transfer phase. Mass transfer physics assumptions shape the predictions for…

We present a model for the prediction of the optical/infra-red emission from ULXs. In the model, ULXs are binary systems with accretion taking place through Roche lobe overflow. We show that irradiation effects and presence of an accretion…

天体物理学 · 物理学 2009-11-13 Mark Cropper , Christopher Copperwheat , Kinwah Wu , Roberto Soria

In many environmental and industrial applications, the mass transfer of gases in liquid solvents is a fundamental process during the generation of bubbles for specific purposes or, vice versa, the removal of entrapped bubbles. We address…

流体动力学 · 物理学 2021-12-09 Daniël P Faasen , Devaraj van der Meer , Detlef Lohse , Pablo Peñas

We examine the nature of RXJ0806.3+1527 and show that it is possible to reconcile the observed period decrease and X-ray luminosity with the transfer of mass between two white dwarfs provided that: either the system is (i) still in the…

天体物理学 · 物理学 2007-05-23 B. Willems , V. Kalogera

We calculate the long-term evolution of angular momentum in double white dwarf binaries undergoing direct impact accretion over a broad range of parameter space. We allow the rotation rate of both components to vary, and account for the…

太阳与恒星天体物理 · 物理学 2015-06-17 Kyle Kremer , Jeremy Sepinsky , Vassiliki Kalogera

We propose a compact binary model for the fast radio burst (FRB) repeaters, where the system consists of a magnetic white dwarf (WD) and a neutron star (NS) with strong bipolar magnetic fields. When the WD fills its Roche lobe, mass…

高能天体物理现象 · 物理学 2016-06-01 Wei-Min Gu , Yi-Ze Dong , Tong Liu , Renyi Ma , Junfeng Wang

A common-envelope (CE) phase occurs when a star engulfs its companion and is widely considered the primary channel for producing Luminous Red Novae (LRNe). In this study, we combine binary-population synthesis with stellar-evolution…

The evolution of binaries consisting of evolved main sequence stars (1 < M_d/Msun < 3.5) with white dwarf companions (0.7 < M_wd/Msun < 1.2) is investigated through the thermal mass transfer phase. Taking into account the stabilizing effect…

天体物理学 · 物理学 2016-08-30 Natalia Ivanova , Ronald E. Taam

Mass transfer in binary systems is the key process in the formation of various classes of objects, including merging binary black holes (BBHs) and neutron stars. Orbital evolution during mass transfer depends on how much mass is accreted…

The detailed structure of core-collapse supernova progenitors is crucial for studying supernova explosion engines and the corresponding multimessenger signals. In this paper, we investigate the influence of stellar rotation on binary…

高能天体物理现象 · 物理学 2024-01-18 Hao-Sheng Wang , Kuo-Chuan Pan

Beta Lyrae is an eclipsing, semi-detached binary system whose state of active mass transfer can reveal details of the nonconservative evolution of binary stars. Roche lobe overflow has caused the system to evolve to a complex state. A thick…

太阳与恒星天体物理 · 物理学 2011-08-16 J. R. Lomax , J. L. Hoffman

Half or more of stars more massive than our Sun are orbited by a companion star in a binary system. Many binaries have short enough orbits that the evolution of both stars is greatly altered by an exchange of mass and angular momentum…

太阳与恒星天体物理 · 物理学 2014-10-27 Robert G. Izzard , Denise Keller

We give a global analysis of mass transfer variations in low-mass X-ray binaries and cataclysmic variables whose evolution is driven by the nuclear expansion of the secondary star. We show that limit cycles caused by irradiation of the…

天体物理学 · 物理学 2009-10-30 A. R. King , J. Frank , U. Kolb , H. Ritter

We present the results of our Hubble Space Telescope far-ultraviolet survey of the blue lurkers (BLs) in M67. We find evidence for two white dwarf companions among the BLs that are indicative of mass transfer from an evolved companion, one…

太阳与恒星天体物理 · 物理学 2023-03-01 Andrew C. Nine , Robert D. Mathieu , Natalie M. Gosnell , Emily M. Leiner

We investigate the structure and evolution of blue stragglers stars which were formed from direct stellar collisions between main sequence stars in globular clusters. In particular, we look at the rotational evolution of the products of…

天体物理学 · 物理学 2009-11-10 Alison Sills , Tim Adams , Melvyn B. Davies