Results 41 to 50 of about 570,998 (306)
The evolution of massive binary systems [PDF]
Serbian Astronomical Journal, 2020 The evolution of massive stars in close binary systems is significantly different from single star evolution due to a series of interactions between the two stellar components.
Petrović Jelena
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The Close Binary Fraction of Solar-type Stars Is Strongly Anticorrelated with Metallicity [PDF]
Astrophysical Journal, 2018 There is now strong evidence that the close binary fraction (P < 104 days; a < 10 au) of solar-type stars (M1 ≈ 0.6–1.5 ) decreases significantly with metallicity. Although early surveys showed that the observed spectroscopic binary (SB) fractions in the
M. Moe, K. Kratter, C. Badenes
semanticscholar +1 more source
The Evolution of the Supersoft X-Ray Source WX Cen Dominated by Magnetic Wind
The Astrophysical Journal, 2023 WX Cen is most likely one of the Galactic counterparts of compact binary supersoft X-ray sources as a member of the V Sagittae class, in which mass is transferred from a donor secondary to a massive white dwarf primary via an accretion disk. Based on the
Lei Zang +2 more
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Disks in close binary stars [PDF]
Astronomy & Astrophysics, 2021 Context. Close binaries (abin ≤ 20 au) are known to harbor planets, yet planet formation is unlikely to succeed in such systems. Studying the dynamics of disks in close binaries can help to understand how those planets could have formed. Aims. We study the impact that numerical and physical parameters have on the dynamics of disks in close binaries. We
Jordan L. M. +3 more
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Multifilter Time-series Observations of Eleven Blue Short-period ATLAS Variable Stars
The Astronomical Journal, 2023 Eleven periodic variable stars were observed photometrically through two to four filters from the set UBVR _C I _C . Phase-folded data for each star cover full cycles of variation.
C. Koen, V. Schaffenroth, A. Kniazev
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The White Dwarf Binary Pathways Survey – IV. Three close white dwarf binaries with G-type secondary stars [PDF]
, 2020 Constraints from surveys of post common envelope binaries (PCEBs) consisting of a white dwarf plus an M-dwarf companion have led to significant progress in our understanding of the formation of close white dwarf binary stars with low-mass companions. The
M. S. Hernandez +15 more
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ELM of ELM-WD: An Extremely-low-mass Hot Star Discovered in LAMOST Survey
The Astronomical Journal, 2023 The extremely-low-mass white dwarfs (ELM WDs) and pre-ELM WDs are helium-core white dwarfs with mass
Hailong Yuan (袁海龙) +9 more
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From a Dinuclear System to Close Binary Cosmic Objects
Astronomy, 2023 Applying the ideas from microscopic objects to macroscopic stellar and galactic systems, the evolution of compact di-stars and di-galaxies is studied in the mass asymmetry coordinate. The formation of stable binary systems is analyzed.
G. G. Adamian +3 more
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Tidally trapped pulsations in a close binary star system discovered by TESS [PDF]
Nature Astronomy, 2020 It has long been suspected that tidal forces in close binary stars could modify the orientation of the pulsation axis of the constituent stars. Such stars have been searched for, but until now never detected.
G. Handler +16 more
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POSYDON: A General-purpose Population Synthesis Code with Detailed Binary-evolution Simulations
The Astrophysical Journal Supplement Series, 2023 Most massive stars are members of a binary or a higher-order stellar system, where the presence of a binary companion can decisively alter their evolution via binary interactions. Interacting binaries are also important astrophysical laboratories for the
Tassos Fragos +24 more
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