Results 61 to 70 of about 38,906 (246)
Evolution of Supermassive Black Holes [PDF]
, 2007 Supermassive black holes (SMBHs) are nowadays believed to reside in most local galaxies, and the available data show an empirical correlation between bulge luminosity - or stellar velocity dispersion - and black hole mass, suggesting a single mechanism for assembling black holes and forming spheroids in galaxy halos. The evidence is therefore in favour
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, 2009 Supermassive black hole mass estimates are derived for 1743 galaxies from the Millennium Galaxy Catalogue using the recently revised empirical relation between supermassive black hole mass and the luminosity of the host spheroid.
Alister W. Graham +65 more
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Supermassive black holes in the early universe [PDF]
Contemporary Physics, 2019 22 pages, 9 figures, Invited Review, Contemporary Physics, in ...
Aaron Smith, Volker Bromm
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Relativistic Suppression of Black Hole Recoils [PDF]
, 2010 Numerical-relativity simulations indicate that the black hole produced in a binary merger can recoil with a velocity up to v_max ~ 4,000 km/s with respect to the center of mass of the initial binary.
Baker +20 more
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Early black-hole seeds in the first billion years [PDF]
, 2020 Supermassive black holes with billion solar masses are in place already within the first Gyr, however, their origin and growth in such a short lapse of time is extremely challenging to understand.
Maio, Umberto
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Supermassive Black Holes and Galaxy Formation [PDF]
Space Science Reviews, 2002 Abstract Predicted by the theory of general relativity, black holes are among the strangest objects known to exist. A point in space usually has a past and a future. An explosion is an example of a point in space–time. The explosion is both at a specific point in space and at a specific time.
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A NEARLY NAKED SUPERMASSIVE BLACK HOLE [PDF]
The Astrophysical Journal, 2017 ABSTRACT During a systematic search for supermassive black holes (SMBHs) not in galactic nuclei, we identified the compact, symmetric radio source B3 1715+425 with an emission-line galaxy offset ≈ 8.5
James J. Condon +4 more
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Stellar Collisions in Galactic Nuclei: Impact on Destructive Events Near a Supermassive Black Hole
The Astrophysical Journal, 2023 The centers of galaxies host both a supermassive black hole and a dense stellar cluster. Such an environment should lead to stellar collisions, possibly at very high velocities so that the total energy involved is of the same order as supernova ...
Shmuel Balberg, Gilad Yassur
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The local supermassive black hole mass density: corrections for dependencies on the Hubble constant
, 2007 We have investigated past measurements of the local supermassive black hole mass density, correcting for hitherto unknown dependencies on the Hubble constant, which, in some cases, had led to an underestimation of the mass density by factors of ~2 ...
Driver, Simon P., Graham, Alister W.
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Gravitational synchrotron radiation and Penrose process in STVG theory
Physics Letters B, 2023 The paper has explored analogue of gravitational synchrotron massive particle and Penrose process in MOdified Gravity (MOG) known as Scalar-Tensor-Vector-Gravity (STVG).
Bobur Turimov +3 more
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