Results 191 to 200 of about 8,827 (222)
Repository for extended dark matter object constraints. [PDF]
Eur Phys J C Part FieldsCroon D, Sevillano Muñoz S.
europepmc +1 more source
Reassessment of Kepler's habitable zone Earth-like exoplanets with data-driven null signal templates. [PDF]
Proc Natl Acad Sci U S ARobnik J, Seljak U.
europepmc +1 more source
Supermassive black hole formation via collisions in black hole clusters [PDF]
Astronomy and AstrophysicsMore than 300 supermassive black holes have been detected at redshifts larger than six, and they are abundant in the centers of local galaxies. Their formation mechanisms, however, are still rather unconstrained.
Alessandro Lupi +2 more
exaly +4 more sources
Recoiling supermassive black hole escape velocities from dark matter haloes [PDF]
Monthly Notices of the Royal Astronomical Society, 2017 International audienceWe simulate recoiling black hole trajectories from z = 20 to z = 0 in dark matter haloes, quantifying how parameter choices affect escape velocities.
Raffaella Schneider +2 more
exaly +3 more sources
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Contemporary Physics
The existence of black holes (BHs) is a natural prediction of Einstein's theory of general relativity (GR). The gravitational field of black holes is strong enough to prevent light from escaping and to distort the space and the flow of time around them. In 1963 extremely luminous distant objects were discovered and called quasars.
Franchini A. +3 more
openaire +3 more sources
The existence of black holes (BHs) is a natural prediction of Einstein's theory of general relativity (GR). The gravitational field of black holes is strong enough to prevent light from escaping and to distort the space and the flow of time around them. In 1963 extremely luminous distant objects were discovered and called quasars.
Franchini A. +3 more
openaire +3 more sources
A supermassive black hole in an ultra-compact dwarf galaxy [PDF]
Nature, 2014 Ultra-compact dwarf galaxies are among the densest stellar systems in the Universe. These systems have masses of up to 2 x 10(8) solar masses, but half-light radii of just 3-50 parsecs(1).
Lee Spitler +2 more
exaly +2 more sources
2023
Written by an international leader in the field, this is a coherent and accessible account of the concepts that are now vital for understanding cutting-edge work on supermassive black holes. These include accretion disc misalignment, disc breaking and tearing, chaotic accretion, the merging of binary supermassive holes, the demographics of supermassive
openaire +1 more source
Written by an international leader in the field, this is a coherent and accessible account of the concepts that are now vital for understanding cutting-edge work on supermassive black holes. These include accretion disc misalignment, disc breaking and tearing, chaotic accretion, the merging of binary supermassive holes, the demographics of supermassive
openaire +1 more source
2013
This chapter analyzes formation mechanisms for supermassive black holes, their observable characteristics, and their interactions with their host galaxies and the wider Universe. A black hole is the end product of the complete gravitational collapse of a material object, such as a massive star. It is surrounded by a horizon from which even light cannot
Abraham Loeb, Steven R. Furlanetto
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This chapter analyzes formation mechanisms for supermassive black holes, their observable characteristics, and their interactions with their host galaxies and the wider Universe. A black hole is the end product of the complete gravitational collapse of a material object, such as a massive star. It is surrounded by a horizon from which even light cannot
Abraham Loeb, Steven R. Furlanetto
openaire +1 more source
2014
This chapter focuses on supermassive black holes, which are sometimes abbreviated “SMBHs.” Stellar-mass black holes are clearly common consequences of stellar evolution, but they are not the only kinds of black holes identified by astronomers. Much more massive black holes are located in the center of many, and perhaps all, galaxies.
openaire +2 more sources
This chapter focuses on supermassive black holes, which are sometimes abbreviated “SMBHs.” Stellar-mass black holes are clearly common consequences of stellar evolution, but they are not the only kinds of black holes identified by astronomers. Much more massive black holes are located in the center of many, and perhaps all, galaxies.
openaire +2 more sources