Merging Binaries in the Galactic Center: The eccentric Kozai-Lidov mechanism with stellar evolution

Abstract

Most, if not all, stars in the field are born in binary configurations or higher multiplicity systems. In dense stellar environment such as the Galactic Center (GC), many stars are expected to be in binary configurations as well. These binaries form hierarchical triple body systems, with the massive black hole (MBH) as the third, distant object. The stellar binaries are expected to undergo large amplitude eccentricity and inclination oscillations via the so-called "eccentric Kozai-Lidov" (EKL) mechanism. These eccentricity excitations, combined with post main sequence stellar evolution, can drive the inner stellar binaries to merge. We study the mergers of stellar binaries in the inner 0.1 pc of the GC caused by gravitational perturbations due to the MBH. We run a large set of Monte Carlo simulations that include the secular evolution of the orbits, general relativistic precession, tides, and post-main-sequence stellar evolution. We find that about 13 % of the initial binary population will have merged after a few million years and about 29 % after a few billion years. These expected merged systems represent a new class of objects at the GC and we speculate that they are connected to G2-like objects and the young stellar population.

arXiv comment12 pages, 8 figures, accepted by MNRAS and available through 'Advance Access'

References in corpus (70)

• Binary interaction dominates the evolution of massive stars
• Evolution of binary stars and the effect of tides on binary populations
• A Survey of Stellar Families: Multiplicity of Solar-Type Stars
• Monitoring stellar orbits around the Massive Black Hole in the Galactic Center
• Comprehensive analytic formulae for stellar evolution as a function of mass and metallicity
• The Galactic Center Massive Black Hole and Nuclear Star Cluster
• Common Envelope Evolution: Where we stand and how we can move forward
• The Eccentric Kozai-Lidov Effect and Its Applications
• Stellar Orbits Around the Galactic Center Black Hole
• Rapid and Bright Stellar-mass Binary Black Hole Mergers in Active Galactic Nuclei
• Gravitational waves from scattering of stellar-mass black holes in galactic nuclei
• V1309 Scorpii: merger of a contact binary
• Secular evolution of compact binaries near massive black holes: gravitational wave sources and other exotica
• Secular Dynamics in Hierarchical Three-Body Systems
• Stellar disk in the galactic center -- a remnant of a dense accretion disk?
• Ejection of hypervelocity stars by the (binary) black hole(s) in the Galactic center
• The Equilibrium-Tide Model for Tidal Friction
• A gas cloud on its way towards the super-massive black hole in the Galactic Centre
• Stellar Processes Near the Massive Black Hole in the Galactic Center
• Stellar Populations in the Central 0.5 pc of the Galaxy II: The Initial Mass Function
• On the triple origin of blue stragglers
• Resonant Post-Newtonian Eccentricity Excitation in Hierarchical Three-body Systems
• Resonant relaxation near a massive black hole: the stellar distribution and gravitational wave sources
• Mergers and Obliquities in Stellar Triples
• Strong mass segregation around a massive black hole
• Black hole triple dynamics: breakdown of the orbit average approximation and implications for gravitational wave detections
• Eccentricity growth and orbit flip in coplanar hierarchical three body systems
• Calibration of Equilibrium Tide Theory for Extrasolar Planet Systems
• Rapid Eccentricity Oscillations and the Mergers of Compact Objects in Hierarchical Triples
• The tidal disruption rate in dense galactic cusps containing a supermassive binary black hole
• The Mass-Loss Induced Eccentric Kozai Mechanism: A New Channel for the Production of Close Compact Object-Stellar Binaries
• Resonant relaxation and the warp of the stellar disc in the Galactic centre
• Physics of the Galactic Center Cloud G2, on its Way towards the Super-Massive Black Hole
• Chaos in the Test Particle Eccentric Kozai-Lidov Mechanism
• Binaries Like to be Twins: Implications for Doubly Degenerate Binaries, the Supernova Ia Rate and Other Interacting Binaries
• Cassini States with Dissipation: Why Obliquity Tides Cannot Inflate Hot Jupiters
• Detection of Galactic Center source G2 at 3.8 $\mu$m during periapse passage
• Double-Averaging Can Fail to Characterize the Long-Term Evolution of Lidov-Kozai Cycles & Derivation of an Analytical Correction
• Dynamical evolution of the young stars in the Galactic center: N-body simulations of the S-stars
• OGLE-2002-BLG-360: from a gravitational microlensing candidate to an overlooked red transient
• Keck Observations of the Galactic Center Source G2: Gas Cloud or Star?
• Secular Evolution Of Binaries Near Massive Black Holes: Formation of compact binaries, merger/collision products and G2-like objects
• A numerical study of vector resonant relaxation
• A Remarkable Low-Mass X-ray Binary within 0.1 pc of the Galactic Center
• Extreme orbital evolution from hierarchical secular coupling of two giant planets
• Runaway and hypervelocity stars in the Galactic halo: Binary rejuvenation and triple disruption
• The rate of WD-WD head-on collisions may be as high as the SNe Ia rate
• Massive binaries in the vicinity of Sgr A*
• Binary dynamics near a massive black hole
• GCIRS16SW: a massive eclipsing binary in the Galactic Center
• Galactic Center Research: Manifestations of the Central Black Hole
• Disruption of a Proto-Planetary Disk by the Black Hole at the Milky Way Centre
• Tidal break-up of binary stars at the Galactic center and its consequences
• Secular dynamics in hierarchical three-body systems with mass loss and mass transfer
• Photometric Stellar Variability in the Galactic Center
• Formation of Black Hole Low-Mass X-ray Binaries in Hierarchical Triple Systems
• Tidal breakup of binary stars at the Galactic Center. II. Hydrodynamic simulations
• Full Three Dimensional Orbits For Multiple Stars on Close Approaches to the Central Supermassive Black Hole
• Spectroscopic binaries with components of similar mass
• The Dusty Aftermath of the V1309 Sco Binary Merger
• Double tidal disruptions in galactic nuclei
• Relativity and the evolution of the Galactic center S-star orbits
• On Detecting Millisecond Pulsars at the Galactic Center
• Monitoring the Dusty S-Cluster Object (DSO/G2) on its Orbit towards the Galactic Center Black Hole
• Hypervelocity Collisions of Binary Stars at the Galactic Centre
• Possible Origin of the G2 Cloud from the Tidal Disruption of a Known Giant Star by Sgr A*
• A rapid evolving region in the Galactic Center: Why S-stars thermalize and more massive stars are missing
• Constraining the dark cusp in the Galactic Center by long-period binaries
• The fragmenting past of the disk at the Galactic Center : The culprit for the missing red giants
• High-resolution optical spectroscopy of V838 Monocerotis in 2009

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• The impact of distant fly-bys on the rate of binary primordial black hole mergers
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