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MASSIVE BLACK-HOLES

Evidence for Three Accreting Black Holes in a Galaxy at z ~ 1 35: A Snapshot of Recently Formed Black Hole Seeds?

Evidence for Three Accreting Black Holes in a Galaxy at z ~ 1 35: A Snapshot of Recently Formed Black Hole Seeds?

... less massive black holes may thus lurk just below the detection limit of deep X-ray AGN ...low-mass black holes in z ∼ ...of black hole for- mation and growth in the universe and ...

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New observational constraints on the growth of the First Supermassive Black Holes

New observational constraints on the growth of the First Supermassive Black Holes

... supermassive black holes (SMBHs) in the universe ...most massive galaxies at these epochs, then do they host the most massive black holes as the local demography of black ...

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On the Prevalence of Supermassive Black Holes over Cosmic Time

On the Prevalence of Supermassive Black Holes over Cosmic Time

... Supermassive black holes ( SMBHs ) are ubiquitous in local, massive galaxies ( Kormendy & Ho 2013; Graham 2016 ) ...these black holes came into existance, and how they evolved over ...

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Weighhing the black holes in z 2 submillimeter emitting galaxies hosting active galactic nuclei

Weighhing the black holes in z 2 submillimeter emitting galaxies hosting active galactic nuclei

... of massive black holes and their host galaxies in this cosmologically important z ≈ 2 ...the black-hole masses of the X-ray-obscured SMGs, and the Atacama Large Millimeter Array (ALMA; ...

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Evolution of binary black holes in self gravitating discs: Dissecting the torques

Evolution of binary black holes in self gravitating discs: Dissecting the torques

... of massive black holes (BHs) at their centres is nowadays a well established observational fact (see Gültekin et ...of massive black hole binaries (BHBs), following galaxy mergers ...

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A note on the Cardy formula and black holes in 3D (massive) bigravity

A note on the Cardy formula and black holes in 3D (massive) bigravity

... (a massive graviton), and the black hole solutions are not locally ...the black hole properties are captured by the near horizon geometry, the validity of Cardy’s formula in this context is not a ...

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Multiwavelength Study of Massive Galaxies at z ~ 2  II  Widespread Compton thick Active Galactic Nuclei and the Concurrent Growth of Black Holes and Bulges

Multiwavelength Study of Massive Galaxies at z ~ 2 II Widespread Compton thick Active Galactic Nuclei and the Concurrent Growth of Black Holes and Bulges

... between massive high-z star-forming galaxies with irregular/disk mor- phologies and bulge-dominated systems (although perhaps disk instabilities might also play this game; Genzel et ...local massive ...

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Sub dominant modes of the gravitational radiation from compact binary coalescences: construction of hybrid waveforms and impact on gravitational wave searches

Sub dominant modes of the gravitational radiation from compact binary coalescences: construction of hybrid waveforms and impact on gravitational wave searches

... as black holes and the dark matter. In particular, black holes are objects so dense that not even light can scape from their so called ...a black hole is an excellent example of a ...

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An Extreme Rotating Black Hole in New Massive Gravity Theory

An Extreme Rotating Black Hole in New Massive Gravity Theory

... In Figure 13 we present the plot of the radial distance to the ar- bitrarily chosen point r = 0.8 as a function of r for the extreme case with the same values of the parameters as before, namely, l = 1, b b = −1 , µ = 1, ...

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Massive black hole binary mergers within subparsec scale gas discs

Massive black hole binary mergers within subparsec scale gas discs

... In this paper we studied the interaction of a supermassive binary black hole with a self-gravitating circumbinary gaseous disc. Our focus has been on subparsec scales, where binary hardening due to stellar ...

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The butterfly effect in the extreme mass ratio inspiral problem

The butterfly effect in the extreme mass ratio inspiral problem

... supermassive black hole ...a black hole (Amaro-Seoane et ...supermassive black hole and a test of general relativity (GR) that is independent of current constraints derived from pulsar timing ...

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Exclusion of black hole disaster scenarios at the LHC

Exclusion of black hole disaster scenarios at the LHC

... that black hole radiation is only present if the black hole is ...of black hole evolution has been put forward by the assumption that a black hole only radiates if it is charged [73,74] and ...

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Conserved quantities for a charged rotating black holes in 5D Einstein Maxwell Chern Simons theory

Conserved quantities for a charged rotating black holes in 5D Einstein Maxwell Chern Simons theory

... rotating black hole in five dimensional found in ...constant. Black holes like the one studied here are solutions to the bosonic sector of this ...

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Bigravity black hole and its thermodynamics

Bigravity black hole and its thermodynamics

... the black hole problem, preserving some asymp- totic ...the black holes displayed above, each metric is asymptotically (anti-) de Sitter but with different speeds of ...the black hole, varying ...

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Limiting eccentricity of subparsec massive black hole binaries surrounded by self gravitating gas discs

Limiting eccentricity of subparsec massive black hole binaries surrounded by self gravitating gas discs

... Supermassive black hole (BH) binaries are currently postulated to form in the aftermath of galaxy mergers (Begelman et ...central black holes are con- ducive to the formation of eccentric BH binaries ...

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The Cosmic History of Black Hole Growth from Deep Multiwavelength Surveys

The Cosmic History of Black Hole Growth from Deep Multiwavelength Surveys

... reflection-dominated AGN are missed) or to contamination by other types of sources in the observed values at high redshifts. However, after adding the measurements obtained using the infrared-excess sources in the ...

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Heavily obscured quasar host galaxies at z ∼ 2 are discs, not major mergers

Heavily obscured quasar host galaxies at z ∼ 2 are discs, not major mergers

... redshifts are red quasars, type 1 quasars reddened by dust (Glikman et al. 2012a,b). Observations of red quasars at moderate redshift (0.5 < z < 1) by Urrutia et al. (2008) show a very high fraction, close to 100 ...

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Three dimensional massive gravity and the bigravity black hole

Three dimensional massive gravity and the bigravity black hole

... three-dimensional massive gravity formulated as a theory with two dynamical metrics, like the f-g theories of Isham-Salam and ...warped black holes, a critical point, and generalized Brown-Henneaux ...

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Black holes in scale dependent frameworks

Black holes in scale dependent frameworks

... dimensional black holes are characterized by properties also found in their four-dimensional counterparts, such as horizon radius, temperature, entropy ...

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Structural aspects of asymptotically safe black holes

Structural aspects of asymptotically safe black holes

... of black holes at short ...that black hole solutions which at long distances correspond to classical AdS, dS, and Schwarzschild black holes actually possess the same short-distance ...

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