Supermassive black hole
First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
... region, black holes are expected to reveal a dark shadow caused by gravitational light bending and photon capture at the event ...the supermassive black hole candidate in the center of the ...
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EHT Constraint on the Ultralight Scalar Hair of the M87 Supermassive Black Hole
... Kerr black holes, via superradiance, transferring part of the mass and angular momentum of the black hole into the ...field black hole equilibrium state—a black hole with ...
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Modeling AGN outbursts from supermassive black hole binaries
... Given that galaxies assemble hierarchically and that nearly every massive galaxy appears to host a supermassive black hole (SMBH) in its nucleus [1,2], it is inevitable that they go through stages in ...
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Secularly powered outflows from AGN:the dominance of non merger driven supermassive black hole growth
... pipeline. Black hole masses for this sample were calculated by SSL17 using the relation between black hole mass and the FWHM and lu- minosity in the broadened Hα emission line from Greene ...
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A precessing molecular jet signaling an obscured, growing supermassive black hole in NGC 1377?
... The growth of central baryonic mass concentrations and their associated supermassive black holes (SMBHs) are key compo- nents of galaxy evolution (e.g. Kormendy & Ho 2013). The un- derlying processes ...
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Music from the heavens - gravitational waves from supermassive black hole mergers in the EAGLE simulations
... mass black holes merging at redshifts between z ∼ 2 and z ∼ ...assumed black hole seed mass, we introduce an additional model with a black hole seed mass an order of magnitude smaller ...
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Supermassive black holes : the local supermassive black hole mass function
... The black hole masses have been adjusted to the distance given in column ...the black hole mass: s-stellar kinematics, g- gas kinematics, m-water masers, p-stellar proper motion and ...
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Six new supermassive black hole mass determinations from adaptive-optics assisted SINFONI observations
... final black hole masses derived from the Schwarzschild models in combination with a variable M / L in Table ...derived black hole mass by about a factor of ...the black hole mass ...
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3-Cm Fine Structure Masers: A Unique Signature of Supermassive Black Hole Formation via Direct Collapse in the Early Universe
... Because of the large theoretical uncertainties asso- ciated with DCBH formation, it is extremely valu- able to have observational signposts on this process. Agarwal et al. (2013) have presented predictions for the ...
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An Accreting Supermassive Black Hole Irradiating Molecular Gas in NGC 2110
... Stars form exclusively in the cold, dense molecular in- terstellar medium (ISM; Kennicutt 1989; Bigiel et al. 2008). Active Galactic Nuclei (AGN) alter the exci- tation and chemistry of cold molecular gas, an impor- tant ...
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Aspects of Supermassive Black Hole Growth in Nearby Active Galactic Nuclei
... Another possibility, discussed by Antonini and Merritt (2012), is accre- tion of a less massive galaxy by a giant elliptical, such as NGC 4486, which has a pre-existing depleted core (presumably the result of the ...
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Suppressing star formation in quiescent galaxies with supermassive black hole winds
... ) re- produces several qualitative features in the data (Fig. 2; see Methods). The model captures the overall shape of the ionized gas velocity field and associates the extended (horizontal) zones of high ionized gas ve- ...
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Tidal stripping of stars near supermassive black holes
... a supermassive black hole and a star orbiting the hole in an equatorial, circular orbit, the stellar orbit will shrink due to the action of gravitational radiation, until the star fills its ...
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How frequent are close supermassive binary black holes in powerful jet sources?
... Subparsec supermassive black hole binaries with jets may produce observable effects on the 100 kpc scale via geodetic precession, and at the same time show morphological features on parsec scale due ...
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Spin dynamics in general relativity
... The analytical description of systems like Sagittarius A* is extremely complicated, as the central object is also spinning about its own axis, and many companions orbiting it. Therefore researchers have attempted to ...
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Cramphorn, Conrad Keith (2004): Astrophysical Applications of Scattering in Interstellar and Intracluster Gases. Dissertation, LMU München: Fakultät für Physik
... the supermassive black hole lo- cated at the Galactic centre (GC), Sgr A ∗ , and its temporal variations in the past is imprinted in the scattered emission observed today in the direction towards ...
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Evolution of Massive Black Hole Binaries in Rotating Stellar Nuclei and its Implications for Gravitational Wave Detection
... a supermassive black hole (SBH) at their center, and it is commonly assumed that SBHs are universally present in early-type galaxies, and in the bulges of disk galaxies, at least for galaxies above a ...
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A Survey on Trust Based Techniques in Wireless Sensor Networks Prof. Sidharth Bhalerao, Rakesh Kumar Yadav
... malicious node and could send route reply even if it had no fresh enough route to the destination to make a black hole attack. They proposed a solution that the source node would send another route request ...
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Survey of Malicious Attacks in MANET
... Al-Shurman et al. [13] proposed two solution two solutions to detect the black hole attack. In the first solution, a path will be selected among all received routes, in terms of shared hops. From the shared ...
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Supermassive Black Holes, Large Scale Structure and Holography
... considered as seeds for supermassive black holes [21]. That scenario is consistent with the holographic model for large scale structure [2]. When photon decoupling took place, at , “hydrogen gas was free to ...
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