BIP! Finder - Chaotic dynamics of wide triples induced by galactic tides: a novel channel for producing compact binaries, mergers, and collisions

2022 • Chaotic dynamics of wide triples induced by galactic tides: a novel channel for producing compact binaries, mergers, and collisions

Authors: Evgeni Grishin; Hagai B Perets

Venue: Monthly Notices of the Royal Astronomical Society

Type: Publication

Abstract: ABSTRACT Recent surveys show that wide (>104 AU) binaries and triples are abundant in the field. We study the long-term evolution of wide hierarchical triple systems and the role played by the Galactic tidal (GT) field. We find that when the time-scales of the secular von–Ziepel–Lidov–Kozai and the GT oscillations are comparable, triple evolution becomes chaotic which leads to extreme eccentricities. Consequently, the close pericentre approaches of the inner-binary components lead to strong interactions, mergers, and collisions. We... (read more)

Impact:

3.2074702E-8 3.5958083E-9 30 30

/ Attention: 0 24

Topics: Astrophysics

DOI: 10.1093/mnras/stac706

External links: Crossref OpenAIRE

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