Results 11 to 20 of about 231,447 (368)

Asteroseismology of Close Binary Stars: Tides and Mass Transfer [PDF]

open access: goldFrontiers in Astronomy and Space Sciences, 2021
The study of stellar oscillations allows us to infer the properties of stellar interiors. Meanwhile, fundamental parameters such as mass and radius can be obtained by studying stars in binary systems. The synergy between binarity and asteroseismology can
Zhao Guo
doaj   +3 more sources

The Close Binary Fraction of Dwarf M Stars [PDF]

open access: yesThe Astrophysical Journal, 2012
We describe a search for close spectroscopic dwarf M star binaries using data from the Sloan Digital Sky Survey to address the question of the rate of occurrence of multiplicity in M dwarfs.
Blake, Cullen H.   +2 more
core   +6 more sources

COMMISSION 42: CLOSE BINARY STARS [PDF]

open access: bronzeProceedings of the International Astronomical Union, 2008
Two meetings of interest to close binaries took place during the reporting period: A full day session on short-period binary stars – mostly CV's – (Miloneet al. 2008) during the 2006 AAS Spring meeting in Calgary and the very broadly designed IAU Symposium No.
Rucinski, Slavek M.   +13 more
openaire   +4 more sources

Radial Velocity Studies of Close Binary Stars. XI [PDF]

open access: yes, 2006
Radial-velocity measurements and sine-curve fits to the orbital radial velocity variations are presented for ten close binary systems: DU Boo, ET Boo, TX Cnc, V1073 Cyg, HL Dra, AK Her, VW LMi, V566 Oph, TV UMi and AG Vir.
Ahn Y. S.   +39 more
core   +5 more sources

Close encounters of star–black hole binaries with single stars

open access: greenMonthly Notices of the Royal Astronomical Society, 2023
ABSTRACT Multibody dynamical interactions of binaries with other objects are one of the main driving mechanisms for the evolution of star clusters. It is thus important to bring our understanding of three-body interactions beyond the commonly employed point-particle approximation.
Taeho Ryu   +5 more
openaire   +5 more sources

The Close Binary Properties of Massive Stars across Different Environments within the LMC [PDF]

open access: greenThe Astrophysical Journal
We analyze 4859 O stars in the third phase of the Optical Gravitational Lensing Experiment photometric survey of the LMC, including 415 eclipsing binaries (EBs).
Maxwell Moe   +3 more
doaj   +3 more sources

Surface magnetism of rapidly rotating red giants: Single versus close binary stars [PDF]

open access: yesAstronomy & Astrophysics, 2022
According to dynamo theory, stars with convective envelopes efficiently generate surface magnetic fields, which manifest as magnetic activity in the form of starspots, faculae, flares, when their rotation period is shorter than their convective turnover ...
C. Gehan, P. Gaulme, Jie Yu
semanticscholar   +1 more source

The origin and evolution of magnetic white dwarfs in close binary stars [PDF]

open access: yesNature Astronomy, 2021
The origin of magnetic fields in white dwarfs remains a fundamental unresolved problem in stellar astrophysics. In particular, the very different fractions of strongly (more than about a megagauss) magnetic white dwarfs in evolutionarily linked ...
M. Schreiber   +4 more
semanticscholar   +1 more source

Neutron Stars in Close Binary Systems

open access: bronzeThe Astrophysical Journal, 1974
Christopher F. McKee   +2 more
openaire   +3 more sources

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