Massive double compact object mergers: gravitational wave sources and r-process element production sites

@article{Mennekens2014MassiveDC,
  title={Massive double compact object mergers: gravitational wave sources and r-process element production sites},
  author={Nicki Mennekens and Dany Vanbeveren},
  journal={Astronomy and Astrophysics},
  year={2014},
  volume={564}
}
With our galactic evolutionary code that contains a detailed intermediate-mass and massive binary population model, we study the temporal evolution of the galactic population of double neutron star binaries, mixed systems with a neutron star and black hole component, and double black hole binaries. We computed the merger rates of these relativistic binaries and translate them into LIGO II detection rates. We demonstrate that accounting for the uncertainties in the relation “initial mass-final… 
View PDF on arXiv
112 Citations
Highly Influential Citations
11
Background Citations
44
Methods Citations
10
Results Citations
8

Figures and Tables from this paper

112 Citations

The formation of double compact objects as gravitational wave sources
The advanced LIGO/Virgo have detected gravitational-wave signals of merging double black holes and merging double neutron stars, opening a new window for astronomers to study the universe.The coming…
Progenitors of gravitational wave mergers: binary evolution with the stellar grid-based code ComBinE
The first gravitational wave detections of mergers between black holes and neutron stars represent a remarkable new regime of high-energy transient astrophysics. The signals observed with LIGO-Virgo…
Advanced LIGO Constraints on Neutron Star Mergers and r-process Sites
The role of compact binary mergers as the main production site of r-process elements is investigated by combining stellar abundances of Eu observed in the Milky Way, galactic chemical evolution (GCE)…
On the likelihood of detecting gravitational waves from Population III compact object binaries
We study the contribution of binary black hole (BH-BH) mergers from the first, metal-free stars in the Universe (Pop III) to gravitational wave detection rates. Our study combines initial conditions…
Using failed supernovae to constrain the Galactic r-process element production
Rapid neutron capture process (r-process) elements have been detected in a large fraction of metal-poor halo stars, with abundances relative to iron (Fe) that vary by over two orders of magnitude.…
Galactic evolution of rapid neutron capture process abundances: the inhomogeneous approach
For the origin of heavy r-process elements, different sources have been proposed, e.g., core-collapse supernovae or neutron star mergers. Old metal-poor stars carry the signature of the astrophysical…
Nucleosynthesis constraints on the neutron star-black hole merger rate
We derive constraints on the time-averaged event rate of neutron star–black hole (NS–BH) mergers by using estimates of the population-integrated production of heavy rapid neutron-capture (r-process)…
Neutron Star Mergers as the Origin of r-Process Elements in the Galactic Halo Based on the Sub-halo Clustering Scenario
Recent hydrodynamical and nucleosynthesis studies have suggested binary mergers (NSMs) of double neutron star (and black-hole–neutron-star) systems as major sites of r-process elements in the Galaxy.…
Neutron star mergers as sites of r-process nucleosynthesis and short gamma-ray bursts
Neutron star mergers have been long considered as promising sites of heavy [Formula: see text]-process nucleosynthesis. We overview the observational evidence supporting this scenario including: the…
Pre-supernova evolution, compact-object masses, and explosion properties of stripped binary stars
The era of large transient surveys, gravitational-wave observatories, and multi-messenger astronomy has opened up new possibilities for our understanding of the evolution and final fate of massive…
...
...

References

SHOWING 1-10 OF 68 REFERENCES
The Total Merger Rate of Compact Object Binaries in the Local Universe
Using a population synthesis approach, we compute the total merger rate in the local universe for double neutron stars, double black holes, and black hole-neutron star binaries. These compact…
The influence of neutron star mergers on the galactic chemical enrichment of r-process elements
COMPACT REMNANT MASS FUNCTION: DEPENDENCE ON THE EXPLOSION MECHANISM AND METALLICITY
The mass distribution of neutron stars and stellar-mass black holes provides vital clues into the nature of stellar core collapse and the physical engine responsible for supernova explosions. A…
DOUBLE COMPACT OBJECTS. I. THE SIGNIFICANCE OF THE COMMON ENVELOPE ON MERGER RATES
The last decade of observational and theoretical developments in stellar and binary evolution provides an opportunity to incorporate major improvements to the predictions from population synthesis…
Galactic distribution of merging neutron stars and black holes – prospects for short gamma-ray burst progenitors and LIGO/VIRGO
We have performed a detailed population synthesis on a large number (2 x 10 7 ) of binary systems in order to investigate the properties of massive double degenerate binaries. We have included new…
DOUBLE COMPACT OBJECTS. II. COSMOLOGICAL MERGER RATES
The development of advanced gravitational wave (GW) observatories, such as Advanced LIGO and Advanced Virgo, provides impetus to refine theoretical predictions for what these instruments might…
Long, cold, early r process? Neutrino-induced nucleosynthesis in He shells revisited.
TLDR
It is found that a ν-driven r-process mechanism in the He shell of a core-collapse supernova could succeed in early stars of metallicity Z ≲ 10⁻³ Z(⊙), at relatively low temperatures and neutron densities, producing abundance peaks over ~10-20 s.
The Effects of Binary Evolution on the Dynamics of Core Collapse and Neutron Star Kicks
We systematically examine how the presence in a binary affects the final core structure of a massive star and its consequences for the subsequent supernova explosion. Interactions with a companion…
Europium production: neutron star mergers versus core-collapse supernovae
We have explored the Eu production in the Milky Way by means of a very detailed chemical evolution model. In particular, we have assumed that Eu is formed in merging neutron star (or neutron star…
Presupernova Evolution of Massive Single and Binary Stars
Understanding massive stars is essential for a variety of branches of astronomy including galaxy and star cluster evolution, nucleosynthesis and supernovae, pulsars, and black holes. It has become…
...
...