Gravitational Wave Signal from Assembling the Lightest Supermassive Black Holes

  title={Gravitational Wave Signal from Assembling the Lightest Supermassive Black Holes},
  author={Kelly Holley-Bockelmann and Miroslav Micic and Steinn Sigurdsson and Louis J. Rubbo},
  journal={The Astrophysical Journal},
We calculate the gravitational wave signal from the growth of 107 M ☉ supermassive black holes (SMBHs) from the remnants of Population III stars. The assembly of these lower mass black holes (BHs) is particularly important because observing SMBHs in this mass range is one of the primary science goals for the Laser Interferometer Space Antenna (LISA), a planned NASA/ESA mission to detect gravitational waves. We use high-resolution cosmological N-body simulations to track the merger history of… Expand

Figures and Tables from this paper

Constraining the Black Hole Mass Spectrum with LISA Observations II: Direct comparison of detailed models
A number of scenarios have been proposed for the origin of the supermassive black holes (SMBHs) that are found in the centres of most galaxies. Many such scenarios predict a high-redshift populationExpand
Extremely efficient mergers of intermediate-mass black hole binaries in nucleated dwarf galaxies
  • Fazeel Mahmood Khan, K. Holley-Bockelmann
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • 2021
Gravitational waves emitted by merging black holes between ∼104 and 107 M⊙ will be detectable by the Laser Interferometer Space Antenna (LISA) with signal-to-noise ratios of several hundred out toExpand
Growing massive black holes in a Local Group environment: the central supermassive, slowly sinking and ejected populations
We explore the growth of ≤10 7 Mblack holes that reside at the centres of spiral and field dwarf galaxies in a Local Group type of environment. We use merger trees from a cosmological N-bodyExpand
X-ray emission from high-redshift miniquasars: self-regulating the population of massive black holes through global warming
Observations of high-redshift quasars at z � 6 imply that supermassive black holes (SMBHs) with masses M � 10 9 M⊙ were in place less than 1 Gyr after the Big Bang. If these SMBHs assembled fromExpand
Unveiling the Population of Wandering Black Holes via Electromagnetic Signatures
While most galaxies appear to host a central supermassive black hole (SMBH), they are expected to also contain a substantial population of off-center “wandering” SMBHs naturally produced by theExpand
Inward bound: the incredible journey of massive black holes as they pair and merge – I. The effect of mass ratio in flattened rotating galactic nuclei
Understanding how supermassive black holes (SMBHs) pair and merge helps to inform predictions of off-centre, dual, and binary active galactic nuclei (AGNs), and provides key insights into how SMBHsExpand
Multimessenger Signatures of Massive Black Holes in Dwarf Galaxies
Recent discoveries of massive black holes (MBHs) in dwarf galaxies suggest that they may have a more common presence than once thought. Systematic searches are revealing more candidates, but thisExpand
Cosmology with standard sirens: the importance of the shape of the lensing magnification distribution
The gravitational waves (GWs) emitted by inspiralling binary black holes, expected to be detected by the Laser Interferometer Space Antenna (LISA), could be used to determine the luminosity distanceExpand
Massive Black Hole Science with eLISA
The evolving Laser Interferometer Space Antenna (eLISA) will revolutionize our understanding of the formation and evolution of massive black holes along cosmic history by probing massive black holeExpand
Migration Traps in Disks Around Supermassive Black Holes
Accretion disks around supermassive black holes (SMBHs) in active galactic nuclei contain stars, stellar mass black holes, and other stellar remnants, which perturb the disk gas gravitationally. TheExpand


The Gravitational Wave Signal from Massive Black Hole Binaries and Its Contribution to the LISA Data Stream
Massive black hole binaries, with masses in the range 103-108 M☉, are expected to be the most powerful sources of gravitational radiation at mHz frequencies, and hence are among the primary targetsExpand
LISA Observations of Supermassive Black Hole Growth
Based on a high resolution cosmological n-body simulation, we track the hierarchical growth of black holes in galaxy clusters from z=20 to z=0. We present a census of black holes as function ofExpand
Gravitational Waves from Supermassive Black Hole Coalescence in a Hierarchical Galaxy Formation Model
We investigate the expected gravitational wave emission from coalescing supermassive black hole (SMBH) binaries resulting from mergers of their host galaxies. When galaxies merge, the SMBHs in theExpand
The supermassive black holes (SMBHs) massive enough ( few ×109 M ☉) to power the bright redshift z ≈ 6 quasars observed in the Sloan Digital Sky Survey (SDSS) are thought to have assembled by mergersExpand
The Merger History of Supermassive Black Holes in Galaxies
The ubiquity of supermassive black holes (SMBHs) at the centers of nearby luminous galaxies can arise from the multiple mergers experienced by dark matter halos in hierarchical structure formationExpand
Low-Frequency Gravitational Radiation from Coalescing Massive Black Hole Binaries in Hierarchical Cosmologies
We compute the expected low-frequency gravitational wave signal from coalescing massive black hole (MBH) binaries at the center of galaxies in a hierarchical structure formation scenario in whichExpand
Low-frequency gravitational waves from supermassive black holes
Supermassive black holes are investigated as possible sources for low-frequency bursts of gravity waves. The event rate for `known' supermassive black holes at intermediate and high redshifts,Expand
Supermassive black hole growth and merger rates from cosmological N-body simulations
Understanding how seed black holes (BHs) grow into intermediate-mass and supermassive black holes (IMBHs and SMBHs, respectively) has important implications for the duty cycle of active galacticExpand
The anti‐hierarchical growth of supermassive black holes
I present a new method to unveil the history of cosmic accretion and the build-up of supermassive black holes (SMBHs) in the nuclei of galaxies, based on observations of the evolving radio and (hard)Expand
Black hole growth and activity in a Lambda cold dark matter universe
The observed properties of supermassive black holes suggest a fundamental link between their assembly and the formation of their host spheroids. We model the growth and activity of black holes inExpand