Features of gaia DR3 spectroscopic binaries I. Tidal circularization of main-sequence stars
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad999
Abstract: Previous studies pointed out that many observed samples of short-period binaries display a cutoff period, Pcut, such that almost all binaries with periods shorter than Pcut have circular orbits. This feature is probably due to… read more here.
Keywords: features gaia; gaia dr3; circularization; main sequence ... See more keywords
Accelerated tidal circularization via resonance locking in KIC 8164262
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnrasl/slx130
Abstract: Tidal dissipation in binary star and planetary systems is poorly understood. Fortunately, eccentric binaries known as heartbeat stars often exhibit tidally excited oscillations, providing observable diagnostics of tidal circularization mechanisms and timescales. We apply tidal… read more here.
Keywords: resonance; resonance locking; oscillation; tidal circularization ... See more keywords
Molecular characterization of both transesterification reactions of the group II intron circularization pathway
Sign Up to like & getrecommendations! Published in 2021 at "Nucleic Acids Research"
DOI: 10.1093/nar/gkab537
Abstract: Abstract Group II introns can self-splice from RNA transcripts through branching, hydrolysis and circularization, being released as lariats, linear introns and circles, respectively. In contrast to branching, the circularization pathway is mostly based on assumptions… read more here.
Keywords: site; transesterification reactions; circularization; circularization pathway ... See more keywords
Two regimes of tidal-stream circularization by supermassive black holes
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DOI: 10.1103/physrevd.104.103019
Abstract: Stars that approach a supermassive black hole (SMBH) too closely can be disrupted by the tidal gravitational field of the SMBH. The resulting debris forms a tidal stream orbiting the SMBH which can collide with… read more here.
Keywords: tidal stream; supermassive black; two regimes; circularization ... See more keywords